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General-purpose I/Os (GPIO)
Bits 7:6 MODE3[1:0]: Port PH3 IO type configuration
Bits 5:0 Reserved, must be kept at reset value.
8.4.24
GPIO H output type register (GPIOH_OTYPER)
Address offset: 0x1C04
Reset value: 0x0000 0000
31
30
29
28
Res.
Res.
Res.
Res.
15
14
13
12
Res.
Res.
Res.
Res.
Bits 31:4 Reserved, must be kept at reset value.
Bit 3 OT3: Port PH3 output type configuration
Bits 2:0 Reserved, must be kept at reset value.
8.4.25
GPIOH output speed register (GPIOH_OSPEEDR)
Address offset: 0x1C08
Reset value: 0x0000 0000
31
30
29
Res.
Res.
Res.
Res.
15
14
13
Res.
Res.
Res.
Res.
Bits 31:8 Reserved, must be kept at reset value.
332/1306
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.
Res.
Res.
12
11
10
9
Res.
Res.
Res.
24
23
22
Res.
Res.
Res.
Res.
8
7
6
Res.
Res.
Res.
Res.
24
23
22
Res.
Res.
Res.
8
7
6
Res.
OSPEED3[1:0]
rw
rw
RM0461 Rev 5
21
20
19
18
Res.
Res.
Res.
5
4
3
2
Res.
OT3
Res.
rw
21
20
19
18
Res.
Res.
Res.
Res.
5
4
3
Res.
Res.
Res.
Res.
RM0461
17
16
Res.
Res.
1
0
Res.
Res.
17
16
Res.
Res.
2
1
0
Res.
Res.
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