ff0c45ec8f
- Basic support for up to 4 ISSI chips (and partial support for 16 chip configurations) - Initial USB mux support * Required USB re-init procedure - Initial interconnect mux support * Required some state reset commands
115 lines
1019 B
Plaintext
115 lines
1019 B
Plaintext
Pin Usage
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=========
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mk20dx256vlh7
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----
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|Keys|
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----
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* Strobe (Columns)
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PTB2
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PTB3
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PTB18
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PTB19
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PTC0
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PTC8
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PTC9
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PTC10
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PTC11
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* Sense (Rows)
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PTD0
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PTD1
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PTD4
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PTD5
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PTD6
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PTD7
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PTC1
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PTC2
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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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* IS31FL3731C
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PTB0 - SCL0 (add header pin, label as SCL0)
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PTB1 - SDA0 (add header pin, label as SDA0)
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PTB17 - INTB Chip 1
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PTB16 - SDB (tied to all 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 - For bi-directional communication between halves
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PTA1 - RX0 (Master Side)
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PTA2 - TX0 (Master Side)
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PTE1 - RX1 (Slave Side)
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PTE0 - TX1 (Slave Side)
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PTD2 - RX2 (UART Debug Header)
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PTD3 - TX2 (UART Debug Header)
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-----
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|Debug|
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-----
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* SWD - (Main reflash header)
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PTA0 (Pull-down)
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PTA3 (Pull-up)
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* LEDs
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PTA5 (LED only for PCB, not Teensy)
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* UARTs
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PTD2 - RX2 (UART Debug Header, label as RX2)
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PTD3 - TX2 (UART Debug Header, label as TX2)
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------
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|Unused|
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------
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* GPIO
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PTA4
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PTA12
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PTA13
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PTC3
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PTC4
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PTC5
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PTC6
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PTC7
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* Analog
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TODO
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