STMicroelectronics STM32WL5 Series Reference Manual page 416

General-purpose I/Os (GPIO)
Bits 5:4 MODE2[1:0]: Port PC2 IO type configuration
Bits 3:2 MODE1[1:0]: Port PC1 IO type configuration
Bits 1:0 MODE0[1:0]: Port PC0 IO type configuration
10.4.13 GPIOC output type register (GPIOC_OTYPER)
Address offset: 0x0804
Reset value: 0x0000 0000
31 30 29 28
Res. Res. Res. Res.
15 14 13 12
OT15 OT14 OT13 Res.
rw rw rw
Bits 31:16 Reserved, must be kept at reset value.
Bits 15:13 OTy: Port PCy output type configuration (y = 15 to 13)
Bits 12:7 Reserved, must be kept at reset value.
Bits 6:0 OTy: Port PCy output type configuration (y = 6 to 0)
10.4.14 GPIOC output speed register (GPIOC_OSPEEDR)
Address offset: 0x0808
Reset value: 0x0000 0000
31 30 29
OSPEED15[1:0] OSPEED14[1:0] OSPEED13[1:0]
rw rw rw
15 14 13
Res. Res. OSPEED6[1:0]
rw
Bits 31:30 OSPEED15[1:0]: Port PC15 output speed configuration
Bits 29:28 OSPEED14[1:0]: Port PC14 output speed configuration
Bits 27:26 OSPEED13[1:0]: Port PC13 output speed configuration
Bits 25:14 Reserved, must be kept at reset value.
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These bits are written by software to configure the I/O mode.
00: Input mode
01: General purpose output mode
10: Alternate function mode
11: Analog mode (reset state)
27 26 25
Res. Res. Res.
11 10 9
Res. Res. Res.
These bits are written by software to configure the I/O output type.
0: Output push-pull (reset state)
1: Output open-drain
28 27 26 25
Res.
rw rw rw
12 11 10 9
OSPEED5[1:0] OSPEED4[1:0]
rw rw rw rw
24 23 22
Res. Res. Res. Res.
8 7 6
Res. Res. OT6 OT5
rw
24 23 22
Res. Res. Res.
8 7 6
OSPEED3[1:0]
rw rw rw
RM0453 Rev 5
21 20 19 18
Res. Res. Res.
5 4 3 2
OT4 OT3 OT2
rw rw rw rw
21 20 19 18
Res. Res. Res. Res.
5 4 3
OSPEED2[1:0] OSPEED1[1:0]
rw rw rw rw
RM0453
17 16
Res. Res.
1 0
OT1 OT0
rw rw
17 16
Res. Res.
2 1 0
OSPEED0[1:0]
rw rw