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STM32W108HB Datasheet(PDF) 97 Page - STMicroelectronics |
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STM32W108HB Datasheet(HTML) 97 Page - STMicroelectronics |
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97 / 278 page ![]() STM32W108HB STM32W108CC STM32W108CB STM32W108CZ General-purpose input/output Doc ID 16252 Rev 14 97/278 8.5.2 Port x configuration register (High) (GPIOx_CRH) Address offset: 0xB004 (GPIOA_CRH), 0xB404 (GPIOB_CRH) and 0xB804 (GPIOC_CRH) Reset value: 0x0000 4444 Reserved, must be kept at reset value CNFMODE7[3:0]: GPIO configuration control CNFMODE6[3:0]: GPIO configuration control and mode CNFMODE5[3:0]: GPIO configuration control and mode CNFMODE4[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 CNFMODE7[3:0] CNFMODE6[3:0] CNFMODE5[3:0] CNFMODE4[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 CNFMODE7 above Bits [7:4] See CNFMODE7 above Bits [3:0] See CNFMODE7 above |
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