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- Pin Usage
- =========
-
- mk20dx128vlf5
-
- ----
- |Keys|
- ----
-
- * Strobe (Columns)
-
- TODO
-
-
- * Sense (Rows)
-
- PTD1
- PTD2
- PTD3
- PTD4
- PTD5
- PTD6
- PTD7
-
-
- ---
- |I2C|
- ---
-
- * IS31FL3731C
-
- PTB0 - SCL0 (add header pin, label as SCL0)
- PTB1 - SDA0 (add header pin, label as SDA0)
- PTB17 - INTB Chip 1
- PTB16 - SDB (tied to all Chips, hardware shutdown)
-
-
- -----
- |Debug|
- -----
-
- * SWD
-
- PTA0 (Pull-down)
- PTA3 (Pull-up)
-
- * LEDs
-
- PTA19 (LED only for PCB, not McHCK) (XTAL)
-
- * UARTs
-
- PTA1 - RX0
- PTA2 - TX0
-
- * Tag Connect
-
- 1 - Vdd +5
- 2 - PTA3 / SWD_IO
- 3 - Vss / Gnd
- 4 - PTA0 / SWD_CLK
- 5 - +5V
- 6 - PTA2 / TRACE_SWO
- 7 - N/C
- 8 - PTA1 / JTAG_TDI
- 9 - N/C
- 10 - Reset_b
-
-
- ------
- |Unused|
- ------
-
- * GPIO
-
- PTA1 (Not broken out on PCB, available on McHCK) (Pull-up)
- PTA2 (")
- PTA4 (Pull-up)
- PTA18 (EXTAL)
-
- PTC0
- PTC1
- PTC2
- PTC3
- PTC6
- PTC7
-
- * Analog
-
- ADC0_DP0
- ADC0_DM0
-
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