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- Pin Usage
- =========
-
- mk20dx256vlh7
-
- ----
- |Keys|
- ----
-
- * Strobe (Columns)
-
- TODO
-
- * Sense (Rows)
-
- TODO
-
-
- -----
- |Clock|
- -----
-
- PTA18 <-> PTA19
-
-
- ---
- |I2C|
- ---
-
- * Main - Connect to all ISSI Chips - Also break out header for debugging
-
- PTB0 - SCL0 (add header pin, label as SCL0)
- PTB1 - SDA0 (add header pin, label as SDA0)
-
- * Reserved for I2C usage
-
- PTC10 - SCL1 (Reserved, can use as GPIO)
- PTC11 - SDA1 (Reserved, can use as GPIO)
-
- * ISSI Control (enough pins for 3 chips reserved)
-
- PTB17 - INTB Chip 1
- PTB18 - INTB Chip 2 (Reserved, can use as GPIO)
- PTB19 - INTB Chip 3 (Reserved, can use as GPIO)
-
- PTB16 - SDB (tied to all Chips, hardware shutdown)
-
-
- ---
- |PWM|
- ---
-
- NHD-C12832A1Z-FS(RGB)-FBW-3V
-
- PTC1 - K(R)
- PTC2 - K(G)
- PTC3 - K(B)
-
-
- ---
- |SPI|
- ---
-
- NHD-C12832A1Z-FS(RGB)-FBW-3V
-
- PTC4 - CS1B - SS1
- PTC5 - SCL - SCLK
- PTC6 - SDA(SI) - MOSI
- PTC7 - A0 (Not SPI, used for display)
- PTC8 - RST (Not SPI, used for display)
-
-
- ---
- |DAC|
- ---
-
- DAC0 (N/C)
-
-
- ----
- |UART|
- ----
-
- * Comm - For bi-directional communication between halves
-
- PTA1 - RX0 (Master Side)
- PTA2 - TX0 (Master Side)
-
- PTE0 - TX1 (Slave Side)
- PTE1 - RX1 (Slave Side)
-
- PTD2 - RX2 (UART Debug Header)
- PTD3 - TX2 (UART Debug Header)
-
-
- -----
- |Debug|
- -----
-
- * SWD - (Main reflash header)
-
- PTA0 (Pull-down)
- PTA3 (Pull-up)
-
- * LEDs
-
- PTA5 (LED only for PCB, not Teensy)
-
- * UARTs
-
- PTD2 - RX2 (UART Debug Header, label as RX2)
- PTD3 - TX2 (UART Debug Header, label as TX2)
-
-
- ------
- |Unused|
- ------
-
- * GPIO
-
- PTA4
- PTA12
- PTA13
- PTB2
- PTB3
- PTB16
- PTB17
- PTB18
- PTB19
- PTC0
- PTC9
- PTC10
- PTC11
- PTD0
- PTD1
- PTD4
- PTD5
- PTD6
- PTD7
-
- * Analog
-
- TODO
|