SN32F280 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 83
Version 1.1
6
6
6
PERIPHERAL FUNCTION PIN
ASSIGNMENT (PFPA)
6.1 OVERVIEW
PFPA registers are used to provide flexible assignment of digital peripheral functions to desired external pins of different
packages.
6.2 FEATURES
Flexible assignment of digital peripheral functions to desired pins.
Supported functions are UART, I2C, SPI, I2S, Capture, and PWM.
6.3 PIN ASSIGNMENT LIST
Peripheral
Pin Name
PA0
PA1
PA2
PA3
UART0
URXD0
P0.11
P2.0
P3.2
UTXD0
P0.10
P2.1
P3.1
UART1
URXD1
P1.8
P2.3
P1.17
UTXD1
P1.9
P2.2
P1.16
P3.6
UART2
URXD2
P0.2
P1.3
P2.15
P1.6
UTXD2
P0.1
P1.4
P2.14
P1.7
UART3
URXD3
P3.13
P1.6
P2.1
UTXD3
P3.12
P1.7
P2.0
SPI0
SCK0
P0.0
P2.5
P1.0
P3.0
SEL0
P0.1
P2.4
P1.8
P1.7
MISO0
P0.2
P2.6
P1.1
P3.1
MOSI0
P0.3
P2.7
P1.2
P3.2
SPI1
SCK1
P1.13
P1.8
P0.1
P0.12
SEL1
P1.12
P1.9
P1.5
P0.13
MISO1
P1.14
P1.10
P2.12
P3.14
MOSI1
P1.15
P1.11
P2.13
P3.15
I2C0
SCL0
P0.6
P1.4
P0.10
P1.1
SDA0
P0.7
P1.5
P0.11
P1.2
I2C1
SCL1
P1.10
P1.13
P0.1
P1.8
SDA1
P1.11
P1.14
P0.2
P1.9
I2S0
MCLK0
P3.0
P2.6
P1.1
BCLK0
P3.1
P2.5
P1.0
WS0
P3.2
P2.4
P1.8
DOUT0
P2.7
P1.2