2014-12-01 03:38:03 +00:00
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Pin Usage
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=========
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2014-12-06 08:55:36 +00:00
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mk20dx256vlh7
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2014-12-01 03:38:03 +00:00
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----
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|Keys|
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----
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* Strobe (Columns)
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2014-12-06 08:55:36 +00:00
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TODO
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2014-12-01 03:38:03 +00:00
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* Sense (Rows)
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2014-12-06 08:55:36 +00:00
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TODO
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-----
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|Clock|
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-----
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PTA18 <-> PTA19
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---
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|I2C|
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---
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* Main - Connect to all ISSI Chips - Also break out header for debugging
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PTB0 - SCL0
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PTB1 - SDA0
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* Reserve - Might be used later if I2C bus is too slow with more than 1 ISSI chip
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PTE0 - SDA1
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PTE1 - SCL1
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* ISSI Control (enough pins for 3 chips reserved)
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PTC0 - INTB Chip 1
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PTC1 - INTB Chip 2
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PTC2 - INTB Chip 3 (Only needed if more than 96 RGB LEDs are required)
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PTA4 - SDB (tied to tall Chips, hardware shutdown)
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---
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|DAC|
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---
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DAC0 (N/C)
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----
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|UART|
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----
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* Comm - Will be used on split keyboards
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PTC3 - RX1 (N/C)
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PTC4 - TX1 (N/C)
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2014-12-01 03:38:03 +00:00
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-----
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|Debug|
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-----
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2014-12-06 08:55:36 +00:00
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* SWD - (Main reflash header)
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2014-12-01 03:38:03 +00:00
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PTA0 (Pull-down)
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PTA3 (Pull-up)
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* LEDs
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2014-12-06 08:55:36 +00:00
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PTA5 (LED only for PCB, not Teensy)
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2014-12-01 03:38:03 +00:00
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* UARTs
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2014-12-06 08:55:36 +00:00
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PTA1 - RX0 (UART Debug Header)
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PTA2 - TX0 (UART Debug Header)
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2014-12-01 03:38:03 +00:00
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------
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|Unused|
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------
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* GPIO
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2014-12-06 08:55:36 +00:00
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PTA12
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PTA13
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PTB2
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PTB3
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PTB16
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PTB17
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PTB18
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PTB19
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PTC5
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2014-12-01 03:38:03 +00:00
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PTC6
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PTC7
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2014-12-06 08:55:36 +00:00
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PTC8
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PTC9
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PTC10
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PTC11
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PTD0
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PTD1
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PTD2
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PTD3
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PTD4
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PTD5
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PTD6
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PTD7
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2014-12-01 03:38:03 +00:00
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* Analog
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2014-12-06 08:55:36 +00:00
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TODO
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2014-12-01 03:38:03 +00:00
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