STMicroelectronics /STM32U031 /GPIOB /GPIOB_AFRH

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Interpret as GPIOB_AFRH

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (B_0x0)AFSEL80 (B_0x0)AFSEL90 (B_0x0)AFSEL100 (B_0x0)AFSEL110 (B_0x0)AFSEL120 (B_0x0)AFSEL130 (B_0x0)AFSEL140 (B_0x0)AFSEL15

AFSEL13=B_0x0, AFSEL15=B_0x0, AFSEL14=B_0x0, AFSEL9=B_0x0, AFSEL12=B_0x0, AFSEL8=B_0x0, AFSEL11=B_0x0, AFSEL10=B_0x0

Description

GPIO alternate function high register

Fields

AFSEL8

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

AFSEL9

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

AFSEL10

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

AFSEL11

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

AFSEL12

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

AFSEL13

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

AFSEL14

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

AFSEL15

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

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