STM32W108HB datasheet(102/278 Pages) STMICROELECTRONICS

102 / 278 page

General-purpose input/output

STM32W108HB STM32W108CC STM32W108CB STM32W108CZ

102/278

Doc ID 16252 Rev 14

8.5.11

GPIO debug configuration register (GPIO_DBGCR)

Address offset: 0xBC00

Reset value:

0x0000 0010

Reserved, must be kept at reset value

DBGDIS: Disable debug interface override of normal GPIO configuration

EXTREGEN: Disable REG_EN override of PA7's normal GPIO configuration

PADDRIVE: Global pad drive strength

Reserved, must be kept at reset value

8.5.12

GPIO debug status register (GPIO_DBGSR)

Address offset: 0xBC04

Reset value:

0x0000 0000

Reserved

DBGDIS

EXTR

EGEN

PAD

DRIVE

Reserved

Bit [31:6]

Bit 5

0: Permits debug interface to be active.

1: Disables debug interface (if it is not already active).

Bit 4

0: Enable override

1: Disable override

Bit 3

0: Disables the pad drive strength

1: Enables the pad drive strength

Bit [2:0]

Reserved

BOOT

MODE

Reserved

FORCE

DBG

SWEN

Bit [31:4] Reserved, must be kept at reset value

Bit 3 BOOTMODE: The state of the nBOOTMODE signal sampled at the end of reset

0: nBOOTMODE was not asserted (it read high)

1: nBOOTMODE was asserted (it read low)

STM32W108HB Datasheet(PDF) 102 Page - STMicroelectronics

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