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dc0e46e Rename LUFA to LUFA-git 3bfa7fa Remove LUFA-120730 215b764 Merge commit 'afa0f22a9299686fd88f58ce09c5b521ac917e8f' as 'protocol/lufa/LUFA' afa0f22 Squashed 'protocol/lufa/LUFA/' content from commit def7fca c0c42fa Remove submodule of LUFA 30f897d Merge commit '87ced33feb74e79c3281dda36eb6d6d153399b41' as 'protocol/usb_hid/USB_Host_Shield_2.0' 87ced33 Squashed 'protocol/usb_hid/USB_Host_Shield_2.0/' content from commit aab4a69 14f6d49 Remove submodule of USB_Host_Shield_2.0 git-subtree-dir: tmk_core git-subtree-split: dc0e46eaa4367d4e218f8816e3c117895820f07c
386 lines
16 KiB
Plaintext
386 lines
16 KiB
Plaintext
/** \file
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*
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* This file contains special DoxyGen information for the generation of the main page and other special
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* documentation pages. It is not a project source file.
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*/
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/** \mainpage AVRISP MKII Programmer Project
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*
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* \section Sec_Compat Project Compatibility
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*
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* The following list indicates what microcontrollers are compatible with this project.
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*
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* \li Series 7 USB AVRs (AT90USBxxx7)
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* \li Series 6 USB AVRs (AT90USBxxx6)
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* \li Series 4 USB AVRs (ATMEGAxxU4)
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* \li Series 2 USB AVRs (AT90USBxx2, ATMEGAxxU2) - <i>8KB versions with reduced features only</i>
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*
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* \section Sec_Info USB Information
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*
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* The following table gives a rundown of the USB utilization of this project.
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*
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* <table>
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* <tr>
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* <td><b>USB Mode:</b></td>
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* <td>Device</td>
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* </tr>
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* <tr>
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* <td><b>USB Class:</b></td>
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* <td>Vendor Specific Class</td>
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* </tr>
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* <tr>
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* <td><b>USB Subclass:</b></td>
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* <td>N/A</td>
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* </tr>
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* <tr>
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* <td><b>Relevant Standards:</b></td>
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* <td>Atmel AVRISP MKII Protocol Specification</td>
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* </tr>
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* <tr>
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* <td><b>Supported USB Speeds:</b></td>
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* <td>Full Speed Mode</td>
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* </tr>
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* </table>
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*
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* \section Sec_Description Project Description
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*
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* Firmware for an Atmel Studio/AVR Studio compatible AVRISP-MKII clone programmer. This project will enable the USB
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* AVR series of microcontrollers to act as a clone of the official Atmel AVRISP-MKII programmer, usable within
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* Atmel Studio/AVR Studio or with any software capable of driving a real Atmel AVRISP-MKII programmer. In its most
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* basic form, it allows for the programming of AVR TINY, MEGA and XMEGA devices aat the programmer's VCC voltage from
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* within Atmel Studio/AVR Studio with no special hardware other than the USB AVR and the parts needed for the USB
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* interface. If the user desires, more advanced circuits incorporating level conversion can be made to allow for the
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* programming of target AVRs running at a different voltage to the programmer.
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*
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* This device spoofs Atmel's official AVRISP-MKII device PID so that it remains compatible with Atmel's AVRISP-MKII
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* drivers. When prompted, direct your OS to install Atmel's AVRISP-MKII drivers provided with Atmel Studio/AVR Studio.
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*
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* Note that this design currently has the following limitations:
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* - No reversed/shorted target connector detection and notification
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* - A separate header is required for each of the ISP, PDI and TPI programming protocols that the user wishes to use
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*
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* On AVR models with an ADC converter, the USB AVR's AVCC pin should be tied to 5V (e.g. VBUS) and the
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* \c VTARGET_ADC_CHANNEL token should be set to an appropriate ADC channel number in the project makefile for VTARGET
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* detection to operate correctly. On models without an ADC converter, VTARGET will report a fixed 3.3V level at all times
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* which should allow the programmer to remain compatible at the protocol level with all AVR devices.
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*
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* While this application can be compiled for USB AVRs with as little as 8KB of FLASH, for full functionality 16KB or more
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* of FLASH is required. On 8KB devices, ISP or PDI/TPI protocol programming support can be disabled to reduce program size.
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*
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* \section Sec_KnownIssues Known Issues:
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*
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* \par Incompatible with newer AVRDUDE releases.
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* Due to <a href="http://savannah.nongnu.org/bugs/index.php?40831">a change in 6.0.1 and never AVRDUDE releases</a>,
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* these builds are incompatible with the AVRISP-MKII clone project. Use an older 5.x release until AVRDUDE is patched.
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*
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* \par XMEGA EEPROM programming fails in some cases.
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* Several users have reported that XMEGA EEPROM programming fails unless the chip is erased first. If a non-blank EEPROM
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* is present, writing further EEPROM data causes corruption.
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* <a href="https://github.com/abcminiuser/lufa/issues/25">LUFA issue tracker entry</a>.
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*
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* \section Sec_Installation Installation
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* The programmer supports multiple platforms, both Windows and Linux.
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*
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* \subsection SSec_LinuxInstallation Linux Installation
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* On Linux systems, the programmer should be usable out of the box with no special setup other than (on some systems)
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* editing of the system permissions to allow the programmer to be used from a non-elevated (root) context. The programmer
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* is compatible with the free open source AVRDude programming software project.
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*
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* \subsection SSec_WindowsInstallation Windows Installation
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* On Windows systems, due to an unfortunate limitation of the USB AVR devices and the driver used in the official AVR
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* Studio/Atmel Studio platform, the programmer cannot be made compatible with AVRDude and AVR Studio/Atmel Studio at the
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* same time. Instead, the programmer will be compatible with the official Atmel software by default, with a recompilation
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* with the \c LIBUSB_DRIVER_COMPAT token (see \ref Sec_Options) being required to use the alternative libUSB driver
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* compatibility mode that will allow the programmer to work under AVRDude on Windows.
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*
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* If compiled for Atmel Studio/AVR Studio compatibility, install the Jungo device drivers that ship with the Atmel software.
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* If compiled in the alternative libUSB compatibility mode for AVRDude use, install the libUSB drivers that are included
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* with your compiled copy of AVRDude, or create them using the libUSB-Win32 (http://sourceforge.net/projects/libusb-win32)
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* project.
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*
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* For convenience, the programmer will report two different serial numbers depending on the firmware compatibility mode, so
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* that the correct driver can be installed for the matching firmware. If the \c RESET_TOGGLES_LIBUSB_COMPAT compile option
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* is used (see \ref Sec_Options) this allows for an easy way to automatically switch device drivers along with the firmware
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* compatibility mode. The serials are:
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*
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* <table>
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* <tr>
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* <th><b>Serial Number:</b></th>
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* <th><b>Compatibility Mode:</b></th>
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* </tr>
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* <tr>
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* <td>000200012345</td>
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* <td>Jungo (Atmel Studio) Compatibility</td>
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* </tr>
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* <tr>
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* <td>000200112345</td>
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* <td>libUSB Compatibility</td>
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* </tr>
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* </table>
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*
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* \section Sec_ISP ISP Connections
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* Connections to the device for SPI programming (when enabled):
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*
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* <table>
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* <tr>
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* <th><b>Programmer Pin:</b></th>
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* <th><b>Target Device Pin:</b></th>
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* <th><b>ISP 6 Pin Layout:</b></th>
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* </tr>
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* <tr>
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* <td>MISO</td>
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* <td>PDO</td>
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* <td>1</td>
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* </tr>
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* <tr>
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* <td>ADCx <b><sup>1</sup></b></td>
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* <td>VTARGET</td>
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* <td>2</td>
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* </tr>
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* <tr>
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* <td>SCLK</td>
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* <td>SCLK</td>
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* <td>3</td>
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* </tr>
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* <tr>
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* <td>MOSI</td>
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* <td>PDI</td>
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* <td>4</td>
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* </tr>
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* <tr>
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* <td>PORTx.y <b><sup>2</sup></b></td>
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* <td>/RESET</td>
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* <td>5</td>
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* </tr>
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* <tr>
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* <td>GND</td>
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* <td>GND</td>
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* <td>6</td>
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* </tr>
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* </table>
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*
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* In addition, the AVR's OCR1A pin will generate a 4MHz clock, to act as an external rescue device clock if the
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* fuses have been mis-set. To use the recovery clock, connect the OCR1A pin of the USB AVR to the target AVR's
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* XTAL1 pin, and set the ISP programming speed to 125KHz (note: other ISP speeds will not work correctly).
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*
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* <b><sup>1</sup></b> <i>Optional, see \ref Sec_Options section - for USB AVRs with ADC modules only</i> \n
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* <b><sup>2</sup></b> <i>See AUX line related tokens in the \ref Sec_Options section</i>
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*
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* \section Sec_PDI PDI Connections
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* Connections to the device for PDI programming (when enabled):
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*
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* <table>
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* <tr>
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* <th><b>Programmer Pin:</b></th>
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* <th><b>Target Device Pin:</b></th>
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* <th><b>PDI 6 Pin Layout:</b></th>
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* </tr>
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* <tr>
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* <td>Tx/Rx <b><sup>2</sup></b></td>
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* <td>DATA</td>
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* <td>1</td>
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* </tr>
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* <tr>
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* <td>ADCx <b><sup>1</sup></b></td>
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* <td>VTARGET</td>
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* <td>2</td>
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* </tr>
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* <tr>
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* <td>N/A</td>
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* <td>N/A</td>
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* <td>3</td>
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* </tr>
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* <tr>
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* <td>N/A</td>
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* <td>N/A</td>
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* <td>4</td>
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* </tr>
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* <tr>
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* <td>XCK</td>
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* <td>CLOCK</td>
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* <td>5</td>
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* </tr>
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* <tr>
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* <td>GND</td>
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* <td>GND</td>
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* <td>6</td>
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* </tr>
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* </table>
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*
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* <b><sup>1</sup></b> <i>Optional, see \ref Sec_Options section - for USB AVRs with ADC modules only</i> \n
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* <b><sup>2</sup></b> <i>The AVR's Tx and Rx become the DATA line when connected together via a pair of 220 ohm resistors</i> \n
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*
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* \section Sec_TPI TPI Connections
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* Connections to the device for TPI programming (when enabled):
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*
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* <table>
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* <tr>
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* <th><b>Programmer Pin:</b></th>
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* <th><b>Target Device Pin:</b></th>
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* <th><b>TPI 6 Pin Layout:</b></th>
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* </tr>
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* <tr>
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* <td>Tx/Rx <b><sup>2</sup></b></td>
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* <td>DATA</td>
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* <td>1</td>
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* </tr>
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* <tr>
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* <td>ADCx <b><sup>1</sup></b></td>
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* <td>VTARGET</td>
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* <td>2</td>
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* </tr>
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* <tr>
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* <td>XCK <b><sup>2</sup></b></td>
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* <td>CLOCK</td>
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* <td>3</td>
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* </tr>
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* <tr>
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* <td>N/A</td>
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* <td>N/A</td>
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* <td>4</td>
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* </tr>
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* <tr>
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* <td>PORTx.y <b><sup>3</sup></b></td>
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* <td>/RESET</td>
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* <td>5</td>
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* </tr>
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* <tr>
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* <td>GND</td>
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* <td>GND</td>
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* <td>6</td>
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* </tr>
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* </table>
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*
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* <b><sup>1</sup></b> <i>Optional, see \ref Sec_Options section - for USB AVRs with ADC modules only</i> \n
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* <b><sup>2</sup></b> <i>The AVR's Tx and Rx become the DATA line when connected together via a pair of 220 ohm resistors</i> \n
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* <b><sup>3</sup></b> <i>See AUX line related tokens in the \ref Sec_Options section</i>
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*
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* \section Sec_Options Project Options
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*
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* The following defines can be found in this project, which can control the project behaviour when defined, or changed in value.
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*
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* <table>
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* <tr>
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* <th><b>Define Name:</b></th>
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* <th><b>Location:</b></th>
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* <th><b>Description:</b></th>
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* </tr>
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* <tr>
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* <td>AUX_LINE_PORT</td>
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* <td>AppConfig.h</td>
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* <td>PORT register for the programmer's AUX target line. The use of this line varies between the programming protocols,
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* but is generally used for the target's /RESET line.
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* \n \n <i>Ignored when compiled for the XPLAIN board.</i></td>
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* </tr>
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* <tr>
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* <td>AUX_LINE_PIN</td>
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* <td>AppConfig.h</td>
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* <td>PIN register for the programmer's AUX target line. The use of this line varies between the programming protocols,
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* but is generally used for the target's /RESET line.
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* \n \n <i>Ignored when compiled for the XPLAIN board.</i></td>
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* </tr>
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* <tr>
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* <td>AUX_LINE_DDR</td>
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* <td>AppConfig.h</td>
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* <td>DDR register for the programmer's AUX target line. The use of this line varies between the programming protocols,
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* but is generally used for the target's /RESET line.
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* \n \n <i>Ignored when compiled for the XPLAIN board.</i></td>
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* </tr>
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* <tr>
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* <td>AUX_LINE_MASK</td>
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* <td>AppConfig.h</td>
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* <td>Mask for the programmer's AUX target line. The use of this line varies between the programming protocols,
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* but is generally used for the target's /RESET line. <b>Must not be the AVR's /SS pin</b>.
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* \n \n <i>Ignored when compiled for the XPLAIN board.</i></td>
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* </tr>
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* <tr>
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* <td>VTARGET_ADC_CHANNEL</td>
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* <td>AppConfig.h</td>
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* <td>ADC channel number (on supported AVRs) to use for VTARGET level detection, if NO_VTARGET_DETECT is not defined.
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* \n \n <i>Ignored when compiled for targets lacking an ADC.</i></td>
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* </tr>
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* <tr>
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* <td>ENABLE_ISP_PROTOCOL</td>
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* <td>AppConfig.h</td>
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* <td>Define to enable SPI programming protocol support.
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* \n \n <i>Ignored when compiled for the XPLAIN board.</i></td>
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* </tr>
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* <tr>
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* <td>ENABLE_XPROG_PROTOCOL</td>
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* <td>AppConfig.h</td>
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* <td>Define to enable PDI and TPI programming protocol support.
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* \n \n <i>Ignored when compiled for the XPLAIN board.</i></td>
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* </tr>
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* <tr>
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* <td>NO_VTARGET_DETECT</td>
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* <td>AppConfig.h</td>
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* <td>Define to disable VTARGET sampling and reporting on AVR models with an ADC converter. This will cause the programmer
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* to report a fixed 3.3V target voltage to the host regardless of the real target voltage.
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* \n \n <i>Ignored when compiled for targets lacking an ADC.</i></td>
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* </tr>
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* <tr>
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* <td>VTARGET_REF_VOLTS</td>
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* <td>AppConfig.h</td>
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* <td>Indicates the programmer AVR's AVCC reference voltage when measuring the target's supply voltage. Note that the supply
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* voltage should never exceed the reference voltage on the programmer AVR without some form of protection to prevent damage
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* to the ADC.
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* \n \n <i>Ignored when compiled for targets lacking an ADC, or when NO_VTARGET_DETECT is defined.</i></td>
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* </tr>
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* <tr>
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* <td>VTARGET_USE_INTERNAL_REF</td>
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* <td>AppConfig.h</td>
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* <td>Selects the internal 2.56V ADC reference voltage, instead of using the AVR's VREF pin. When enabled, this option will
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* override the VTARGET_REF_VOLTS configuration option.
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* \n \n <i>Ignored when compiled for targets lacking an ADC, or when NO_VTARGET_DETECT is defined.</i></td>
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* </tr>
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* <tr>
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* <td>VTARGET_SCALE_FACTOR</td>
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* <td>AppConfig.h</td>
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* <td>Indicates the target's supply voltage scale factor when applied to the ADC. A simple resistive divider can be used on the
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* ADC pin for measuring the target's supply voltage, so that voltages above the programmer AVR's AVCC reference voltage can be
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* measured. This should be the reciprocal of the division performed - e.g. if the VTARGET voltage is halved, this should be set
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* to 2.
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* \n \n <i>Ignored when compiled for targets lacking an ADC, or when NO_VTARGET_DETECT is defined.</i></td>
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* </tr>
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* <tr>
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* <td>LIBUSB_DRIVER_COMPAT</td>
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* <td>AppConfig.h</td>
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* <td>Define to switch to a non-standard endpoint scheme, breaking compatibility with Atmel Studio/AVR Studio under Windows but
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* making the code compatible with software such as avrdude (all platforms) that use the libUSB driver.
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*
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* \note This option is incompatible with \c RESET_TOGGLES_LIBUSB_COMPAT.</td>
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* </tr>
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* <tr>
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* <td>RESET_TOGGLES_LIBUSB_COMPAT</td>
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* <td>AppConfig.h</td>
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* <td>Define to make the /RESET line of the AVR toggle between Jungo and libUSB driver compatibility modes. Each time the AVR is
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* reset externally via the reset pin, the compatibility mode will be toggled. The compatibility mode is preserved between
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* power cycles and is not toggled via other forms of reset such as Watchdog or Brown Out.
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*
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* When this option is enabled, all board LEDs will flash twice on startup for Jungo compatibility mode, and five times for
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* libUSB compatibility mode.
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*
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* \note This option is incompatible with \c LIBUSB_DRIVER_COMPAT.</td>
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* </tr>
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* <tr>
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* <td>XCK_RESCUE_CLOCK_ENABLE</td>
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* <td>AppConfig.h</td>
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* <td>Define to move the ISP rescue clock to the AVR's XCK pin instead of the OCR1A output pin. This is useful for existing programming
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* hardware that does not expose the OCR1A pin of the AVR, but <i>may</i> cause some issues with PDI programming mode.</td>
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* </tr>
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* <tr>
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* <td>INVERTED_ISP_MISO</td>
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* <td>AppConfig.h</td>
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* <td>Define to invert the received data on the ISP MISO line. This is sometimes needed depending on the level translation hardware used,
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* if the translator hardware inverts the received logic level.</td>
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* </tr>
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* <tr>
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* <td>FIRMWARE_VERSION_MINOR</td>
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* <td>AppConfig.h</td>
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* <td>Define to set the minor firmware revision nunber reported to the host on request. By default this will use a firmware version compatible
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* with the latest Atmel IDE version, however if desired the reported minor value can be adjusted here.</td>
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* </tr>
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* </table>
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*/
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