RegViz: Visualize GPIOB

STMicroelectronics /STM32U031 /GPIOB /GPIOB_AFRL

Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text

Interpret as GPIOB_AFRL

AFSEL3=B_0x0, AFSEL1=B_0x0, AFSEL6=B_0x0, AFSEL2=B_0x0, AFSEL5=B_0x0, AFSEL4=B_0x0, AFSEL7=B_0x0, AFSEL0=B_0x0

Description

GPIO alternate function low register

Fields

AFSEL0	Alternate function selection for port x I/O pin y These bits are written by software to configure alternate function I/Os. 0 (B_0x0): AF0 1 (B_0x1): AF1 2 (B_0x2): AF2 3 (B_0x3): AF3 4 (B_0x4): AF4 5 (B_0x5): AF5 6 (B_0x6): AF6 7 (B_0x7): AF7 8 (B_0x8): AF8 9 (B_0x9): AF9 10 (B_0xA): AF10 11 (B_0xB): AF11 12 (B_0xC): AF12 13 (B_0xD): AF13 14 (B_0xE): AF14 15 (B_0xF): AF15
AFSEL1	Alternate function selection for port x I/O pin y These bits are written by software to configure alternate function I/Os. 0 (B_0x0): AF0 1 (B_0x1): AF1 2 (B_0x2): AF2 3 (B_0x3): AF3 4 (B_0x4): AF4 5 (B_0x5): AF5 6 (B_0x6): AF6 7 (B_0x7): AF7 8 (B_0x8): AF8 9 (B_0x9): AF9 10 (B_0xA): AF10 11 (B_0xB): AF11 12 (B_0xC): AF12 13 (B_0xD): AF13 14 (B_0xE): AF14 15 (B_0xF): AF15
AFSEL2	Alternate function selection for port x I/O pin y These bits are written by software to configure alternate function I/Os. 0 (B_0x0): AF0 1 (B_0x1): AF1 2 (B_0x2): AF2 3 (B_0x3): AF3 4 (B_0x4): AF4 5 (B_0x5): AF5 6 (B_0x6): AF6 7 (B_0x7): AF7 8 (B_0x8): AF8 9 (B_0x9): AF9 10 (B_0xA): AF10 11 (B_0xB): AF11 12 (B_0xC): AF12 13 (B_0xD): AF13 14 (B_0xE): AF14 15 (B_0xF): AF15
AFSEL3	Alternate function selection for port x I/O pin y These bits are written by software to configure alternate function I/Os. 0 (B_0x0): AF0 1 (B_0x1): AF1 2 (B_0x2): AF2 3 (B_0x3): AF3 4 (B_0x4): AF4 5 (B_0x5): AF5 6 (B_0x6): AF6 7 (B_0x7): AF7 8 (B_0x8): AF8 9 (B_0x9): AF9 10 (B_0xA): AF10 11 (B_0xB): AF11 12 (B_0xC): AF12 13 (B_0xD): AF13 14 (B_0xE): AF14 15 (B_0xF): AF15
AFSEL4	Alternate function selection for port x I/O pin y These bits are written by software to configure alternate function I/Os. 0 (B_0x0): AF0 1 (B_0x1): AF1 2 (B_0x2): AF2 3 (B_0x3): AF3 4 (B_0x4): AF4 5 (B_0x5): AF5 6 (B_0x6): AF6 7 (B_0x7): AF7 8 (B_0x8): AF8 9 (B_0x9): AF9 10 (B_0xA): AF10 11 (B_0xB): AF11 12 (B_0xC): AF12 13 (B_0xD): AF13 14 (B_0xE): AF14 15 (B_0xF): AF15
AFSEL5	Alternate function selection for port x I/O pin y These bits are written by software to configure alternate function I/Os. 0 (B_0x0): AF0 1 (B_0x1): AF1 2 (B_0x2): AF2 3 (B_0x3): AF3 4 (B_0x4): AF4 5 (B_0x5): AF5 6 (B_0x6): AF6 7 (B_0x7): AF7 8 (B_0x8): AF8 9 (B_0x9): AF9 10 (B_0xA): AF10 11 (B_0xB): AF11 12 (B_0xC): AF12 13 (B_0xD): AF13 14 (B_0xE): AF14 15 (B_0xF): AF15
AFSEL6	Alternate function selection for port x I/O pin y These bits are written by software to configure alternate function I/Os. 0 (B_0x0): AF0 1 (B_0x1): AF1 2 (B_0x2): AF2 3 (B_0x3): AF3 4 (B_0x4): AF4 5 (B_0x5): AF5 6 (B_0x6): AF6 7 (B_0x7): AF7 8 (B_0x8): AF8 9 (B_0x9): AF9 10 (B_0xA): AF10 11 (B_0xB): AF11 12 (B_0xC): AF12 13 (B_0xD): AF13 14 (B_0xE): AF14 15 (B_0xF): AF15
AFSEL7	Alternate function selection for port x I/O pin y These bits are written by software to configure alternate function I/Os. 0 (B_0x0): AF0 1 (B_0x1): AF1 2 (B_0x2): AF2 3 (B_0x3): AF3 4 (B_0x4): AF4 5 (B_0x5): AF5 6 (B_0x6): AF6 7 (B_0x7): AF7 8 (B_0x8): AF8 9 (B_0x9): AF9 10 (B_0xA): AF10 11 (B_0xB): AF11 12 (B_0xC): AF12 13 (B_0xD): AF13 14 (B_0xE): AF14 15 (B_0xF): AF15

Links

()