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STM32W108HB Datasheet(PDF) 96 Page - STMicroelectronics

Part # STM32W108HB
Description  High-performance, IEEE 802.15.4 wireless system-on-chip with up to 256 Kbytes of embedded Flash memory
PDF  278 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32W108HB Datasheet(HTML) 96 Page - STMicroelectronics

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General-purpose input/output
STM32W108HB STM32W108CC STM32W108CB STM32W108CZ
96/278
Doc ID 16252 Rev 14
8.5
General-purpose input/output (GPIO) registers
8.5.1
Port x configuration register (Low) (GPIOx_CRL)
Address offset: 0xB000 (GPIOA_CRL), 0xB400 (GPIOB_CRL) and 0xB800 (GPIOC_CRL)
Reset value:
0x0000 4444
Reserved, must be kept at reset value
CNFMODE3[3:0]: GPIO configuration control
CNFMODE2[3:0]: GPIO configuration control and mode
CNFMODE1[3:0]: GPIO configuration control and mode
CNFMODE0[3:0]: GPIO configuration control and mode
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
CNFMODE3[3:0]
CNFMODE2[3:0]
CNFMODE1[3:0]
CNFMODE0[3:0]
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
Bits [31:16]
Bits [15:12]
0x0: Analog, input or output (GPIOx_IDR always reads 1)
0x1: Output, push-pull (GPIOx_ODR controls the output)
0x4: Input, floating
0x5: Output, open-drain (GPIOx_ODR controls the output)
0x8: Input, pulled up or down (selected by GPIOx_ODR: 0 = pull-down, 1 = pull-up)
0x9: Alternate output, push-pull (peripheral controls the output)
0xB: Alternate output SPI SCLK, push-pull (only for SPI master mode SCLK)
0xD: Alternate output, open-drain (peripheral controls the output)
Bits [11:8]
See CNFMODE3 above
Bits [7:4]
See CNFMODE3 above
Bits [3:0]
See CNFMODE3 above



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