RM0453 Rev 5 423/1450
RM0453 General-purpose I/Os (GPIO)
431
10.4.24 GPIO H output type register (GPIOH_OTYPER)
Address offset: 0x1C04
Reset value: 0x0000 0000
10.4.25 GPIOH output speed register (GPIOH_OSPEEDR)
Address offset: 0x1C08
Reset value: 0x0000 0000
Bits 7:6 MODE3[1:0]: Port PH3 IO type configuration
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)
Bits 5:0 Reserved, must be kept at reset value.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
1514131211109876543210
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. OT3 Res. Res. Res.
rw
Bits 31:4 Reserved, must be kept at reset value.
Bit 3 OT3: Port PH3 output type configuration
These bits are written by software to configure the I/O output type.
0: Output push-pull (reset state)
1: Output open-drain
Bits 2:0 Reserved, must be kept at reset value.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Res. Res. Res. Res. Res. Res. Res. Res. OSPEED3[1:0] Res. Res. Res. Res. Res. Res.
rw rw
Bits 31:8 Reserved, must be kept at reset value.
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