3 Peripheral Multiplexing on I/O Lines
Peripheral multiplexing on I/O lines is fully compatible: each SAM9x5 peripheral has an equivalent on SAM9X60.
SAM9X60 features new peripherals on existing lines, and new peripherals on new lines.
PIO Line |
SAM9x5 Function |
SAM9x5 Peripheral ID |
SAM9X60 Function |
SAM9X60 Peripheral ID |
---|---|---|---|---|
– | USART0 | 5 | FLEXCOM0(1) | 5 |
– | USART1 | 6 | FLEXCOM1(1) | 6 |
– | USART2 | 7 | FLEXCOM2(1) | 7 |
– | SPI0 | 13 | FLEXCOM4(1)(2) | 13 |
– | SPI1 | 14 | FLEXCOM5(1)(2) | 14 |
– | TWI0 | 9 | FLEXCOM6(3) | 9 |
– | TWI2 | 11 | FLEXCOM8(3) | 11 |
PA24-27 | – | – | CLASSD | 42 |
PB19-23 | – | – | I2SMCC | 34 |
PB19-24 | – | – | QSPI | 35 |
PB19-20 | – | – | FLEXCOM11(3) | 32 |
PB21-22 | – | – | FLEXCOM12(3) | 33 |
– | TWI1 | 10 | FLEXCOM7(3) | 10 |
– | UART0 | 15 | FLEXCOM9(3) | 15 |
UART1 | 16 | FLEXCOM10(3) | 16 | |
PC22-26, PC30 | – | – | FLEXCOM3(1) | 8 |
Note:
- This fully-featured FLEXCOM enables USART, SPI and TWI.
- Other IOSETs are available for some signals.
- This FLEXCOM reduced to two wires enables UART and TWI.