...........continued
EXT1 pin
PIC32CM JH01
pin
Function
Schematic
Net Name
Shared
Functionality
20 [VCC]
-
-
-
Power for extension
board.
Table 4-5. Extension Header EXT2
EXT2 pin
PIC32CM
JH01 pin
Function
Schematic Net Name
Shared functionality
1 [ID]
-
-
-
Communication line to
the ID chip on an
extension board.
2 [GND]
GND
-
GND
Ground
3 [ADC(+)]
PA05
ADC0/AIN[5]
PA)
-
4 [ADC(-)]
PA04
ADC0/AIN[4]
PA04_ADC(-)
-
5 [GPIO0]
PA20
GPIO
PA20_GPIO
-
6 [GPIO1]
PC11
GPIO
PC11_IRQ/GPIO
-
7 [PWM(+)]
PB30
TCC1/WO[2]
PB)_PWM/D6 Arduino
8 [PWM(-)]
PB31
TCC1/WO[3]
PB31_PWM(-)_PWM/D9 Arduino
9 [IRQ/GPIO]
PC24
EIC/EXTINT[0] /
GPIO
PC24_IRQ/GPIO_D7
-
10 [SPI_SS_B/GPIO] PC25
GPIO
PC25_SPI_SS_B/GPIO
-
11 [TWI_SDA]
PA16
SERCOM1/PAD[0]
I
2
C SDA
PA16_I2C_SDA
EXT3, EDBG DGI,
Arduino
12 [TWI_SCL]
PA17
SERCOM1/PAD[1]
I
2
C SCL
PA17_I2C_SCL
EXT3, EDBG DGI,
Arduino
13 [USART_RX]
PB21
SERCOM3/PAD[1]
UART RX
PB21_UART_RX
-
14 [USART_TX]
PB20
SERCOM3/PAD[0]
UART TX
PB20_UART_TX
-
15 [SPI_SS_A]
PB03
SERCOM5/PAD[1]
SPI SS
PB03_SPI_SS_A
-
16 [SPI_MOSI]
PB00
SERCOM5/PAD[2]
SPI MOSI
PB00_SPI_MOSI
TA100
17 [SPI_MISO]
PB02
SERCOM5/PAD[0]
SPI MISO
PB02_SPI_MISO
TA100
18 [SPI_SCK]
PB01
SERCOM5/PAD[3]
SPI SCK
PB01_SPI_SCK
TA100
19 [GND]
-
-
GND
Ground.
20 [VCC]
-
-
-
Power for extension
board.
EV81X90A
Hardware User Guide
©
2022 Microchip Technology Inc.
and its subsidiaries
User Guide
DS70005482B-page 13