Microchip Technology ATmega4809 Xplained Pro, Manual

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EXT2 Pin ATmega4809 Pin Function Shared Functionality
7 [PWM(+)] PB4 TCA0 WO4 DGI GPIO2
8 [PWM(-)] PB5 TCA0 WO5 DGI GPIO3 , LED0
9 [IRQ/GPIO] PB2 GPIO DGI GPIO0 , SW0
10 [SPI_SS_B/GPIO] PB3 GPIO DGI GPIO1
11 [TWI_SDA] PC2 TWI0 SDA EXT1 , EXT3 , mikroBUS
™
,
CryptoAuthentication
™
footprint ,
EDBG DGI
12 [TWI_SCL] PC3 TWI0 SCL EXT1 , EXT3 , mikroBUS
™
,
CryptoAuthentication
™
footprint ,
EDBG DGI
13 [USART_RX] PC1 USART1 RxD EDBG CDC
14 [USART_TX] PC0 USART1 TxD EDBG CDC
15 [SPI_SS_A] PE1 GPIO —
16 [SPI_MOSI] PA4 SPI0 MOSI EXT1 , EXT3 , mikroBUS
™
, EDBG
DGI
17 [SPI_MISO] PA5 SPI0 MISO EXT1 , EXT3 , mikroBUS
™
, EDBG
DGI
18 [SPI_SCK] PA6 SPI0 SCK EXT1 , EXT3 , mikroBUS
™
, EDBG
DGI
19 [GND] — — Ground
20 [VCC] — — Power for extension board
Table 4-3. Extension Header EXT3
EXT3 Pin ATmega4809 Pin Function Shared Functionality
1 [ID] — — Communication line to the ID
chip on an extension board
2 [GND] — — Ground
3 [ADC(+)] PD6 ADC0 AIN6 mikroBUS
™
4 [ADC(-)] PD7 ADC0 AIN7 —
5 [GPIO1] PD0 GPIO mikroBUS
™
6 [GPIO2] PD1 GPIO mikroBUS
™
7 [PWM(+)] PF4 TCB0 WO ( TCA0 WO4 ) mikroBUS
™
8 [PWM(-)] PF5 TCB1 WO ( TCA0 WO5 ) mikroBUS
™
9 [IRQ/GPIO] PE2 GPIO mikroBUS
™
10 [SPI_SS_B/GPIO] PE3 GPIO —
11 [TWI_SDA] PC2 TWI0 SDA EXT1 , EXT2 , mikroBUS
™
,
CryptoAuthentication
™
footprint ,
EDBG DGI
ATmega4809 Xplained Pro
Hardware User Guide
©
2020 Microchip Technology Inc.
User Guide
DS50002716C-page 14