ST STM32G474 User Manual

RM0440 Rev 4 361/2126
RM0440 General-purpose I/Os (GPIO)
368
9.4.3 GPIO port output speed register (GPIOx_OSPEEDR)
(x = A to G)
Address offset: 0x08
Reset value: 0x0C00 0000 (for port A)
Reset value: 0x0000 0000 (for the other ports)
9.4.4 GPIO port pull-up/pull-down register (GPIOx_PUPDR)
(x = A to G)
Address offset: 0x0C
Reset value: 0x6400 0000 (for port A)
Reset value: 0x0000 0100 (for port B)
Reset value: 0x0000 0000 (for other ports)
Bits 31:16 Reserved, must be kept at reset value.
Bits 15:0 OT[15:0]: Port x configuration I/O pin y (y = 15 to 0)
These bits are written by software to configure the I/O output type.
0: Output push-pull (reset state)
1: Output open-drain
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
OSPEED15
[1:0]
OSPEED14
[1:0]
OSPEED13
[1:0]
OSPEED12
[1:0]
OSPEED11
[1:0]
OSPEED10
[1:0]
OSPEED9
[1:0]
OSPEED8
[1:0]
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15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
OSPEED7
[1:0]
OSPEED6
[1:0]
OSPEED5
[1:0]
OSPEED4
[1:0]
OSPEED3
[1:0]
OSPEED2
[1:0]
OSPEED1
[1:0]
OSPEED0
[1:0]
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Bits 31:0 OSPEED[15:0][1:0]: Port x configuration I/O pin y (y = 15 to 0)
These bits are written by software to configure the I/O output speed.
00: Low speed
01: Medium speed
10: High speed
11: Very high speed
Note: Refer to the device datasheet for the frequency specifications and the power supply
and load conditions for each speed..
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PUPD15[1:0] PUPD14[1:0] PUPD13[1:0] PUPD12[1:0] PUPD11[1:0] PUPD10[1:0] PUPD9[1:0] PUPD8[1:0]
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1514131211109876543210
PUPD7[1:0] PUPD6[1:0] PUPD5[1:0] PUPD4[1:0] PUPD3[1:0] PUPD2[1:0] PUPD1[1:0] PUPD0[1:0]
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ST STM32G474 Specifications

General

Brand	ST
Model	STM32G474
Category	Microcontrollers
Language	English