Microchip Technology ATSAMB11ZR, User Manual

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EXT1 pin SAM B11ZR
pin Function Shared functionality
3 [ADC(+)] GPIO_MS1 ADC
4 [ADC(-)] GPIO_MS2 ADC
5 [GPIO1] LP_GPIO_5 GPIO/UART1_RTS EXT3
6 [GPIO2] LP_GPIO_4 GPIO/UART1_CTS EXT3
7 [PWM(+)] LP_GPIO_17 GPIO/SPI1_SCK EDBG GPIO ,EXT3
8 [PWM(-)] LP_GPIO_18 GPIO/SPI1_MISO EDBG GPIO ,EXT3
9 [IRQ/GPIO] AO_GPIO_0 IRQ/GPIO USER BUTTON
10 [SPI_SS_B/GPIO] AO_GPIO_2 GPIO Temperature Sensor , EXT3
11 [TWI_SDA] LP_GPIO_8* /
AO_GPIO_1 I²C SDA EDBG I²C , Temperature Sensor
12 [TWI_SCL] LP_GPIO_9 I²C SCL EDBG I²C , Temperature Sensor
13 [USART_RX] LP_GPIO_2 UART1 RXD EDBG UART
14 [USART_TX] LP_GPIO_3 UART1 TXD EDBG UART
15 [SPI_SS_A] LP_GPIO_12 SPI_SSN EDBG SPI
16 [SPI_MOSI] LP_GPIO_11 SPI MOSI EDBG SPI
17 [SPI_MISO] LP_GPIO_13 SPI MISO EDBG SPI
18 [SPI_SCK] LP_GPIO_10 SPI SCK EDBG SPI
19 [GND] - - Ground
20 [VCC] - - Power for extension board
Table 4-2. Extension Header EXT3
EXT3 pin SAM B11ZR
pin Function Shared functionality
1 [ID] - - Communication line to the ID
chip on an extension board
2 [GND] - - Ground
3 [ADC(+)] GPIO_MS3 ADC
4 [ADC(-)] GPIO_MS4 ADC
5 [GPIO1] LP_GPIO_5 GPIO/UART1_RTS EXT1
6 [GPIO2] LP_GPIO_4 GPIO/UART1_CTS EXT1
7 [PWM(+)] - -
8 [PWM(-)] - -
9 [IRQ/GPIO] AO_GPIO_1 IRQ/GPIO
ATSAMB11ZR
©
2017 Microchip Technology Inc.
User Guide
DS70005334A-page 13