User's Manual

RYZ012 Multi-Standard Wireless Communication Module for Bluetooth 5 Low Energy and 802.15.4
R15UH0002EU0103 Rev.1.03 Page 68 of 206
Apr.21.21
5.7.9 GPIOC:PFS - Peripheral Function Selection Register
Address: 0x05ac
Reset: 0x0050
7
6
5
4
3
2
1
0
GPIOC:PFS[1]
RSVD
PF4
rw, 0
rw, 0
GPIOC:PFS[0]
PF3
PF2
PF1
PF0
rw, 1
rw, 1
rw, 0
rw, 0
9:8
PF4
Peripheral select if pin is configured in peripheral mode.
00: PWM2
01: UART_CTS
10: PWM0_N
7:6
PF3
Peripheral select if pin is configured in peripheral mode.
00: PWM1
01: UART_RX
10: I2C_SCK
5:4
PF2
Peripheral select if pin is configured in peripheral mode.
00: PWM0
01: UART_TX
10: I2C_SDA
3:2
PF1
Peripheral select if pin is configured in peripheral mode.
00: I2C_SCK
01: PWM1_N
10: PWM0
1:0
PF0
Peripheral select if pin is configured in peripheral mode.
00: I2C_SDA
01: PWM4_N
10: UART_RTS