SAM3N PIOB

Parallel Input/Output Controller (PIOB) User Interface

Registers

Register Mapping
Address Register Name Access Reset
0x400E1000 PIO Enable Register PIOB_PER write-only -
0x400E1004 PIO Disable Register PIOB_PDR write-only -
0x400E1008 PIO Status Register PIOB_PSR read-only -
0x400E1010 Output Enable Register PIOB_OER write-only -
0x400E1014 Output Disable Register PIOB_ODR write-only -
0x400E1018 Output Status Register PIOB_OSR read-only 0x00000000
0x400E1020 Glitch Input Filter Enable Register PIOB_IFER write-only -
0x400E1024 Glitch Input Filter Disable Register PIOB_IFDR write-only -
0x400E1028 Glitch Input Filter Status Register PIOB_IFSR read-only 0x00000000
0x400E1030 Set Output Data Register PIOB_SODR write-only -
0x400E1034 Clear Output Data Register PIOB_CODR write-only -
0x400E1038 Output Data Status Register PIOB_ODSR read-write -
0x400E103C Pin Data Status Register PIOB_PDSR read-only -
0x400E1040 Interrupt Enable Register PIOB_IER write-only -
0x400E1044 Interrupt Disable Register PIOB_IDR write-only -
0x400E1048 Interrupt Mask Register PIOB_IMR read-only 0x00000000
0x400E104C Interrupt Status Register PIOB_ISR read-only 0x00000000
0x400E1050 Multi-driver Enable Register PIOB_MDER write-only -
0x400E1054 Multi-driver Disable Register PIOB_MDDR write-only -
0x400E1058 Multi-driver Status Register PIOB_MDSR read-only 0x00000000
0x400E1060 Pull-up Disable Register PIOB_PUDR write-only -
0x400E1064 Pull-up Enable Register PIOB_PUER write-only -
0x400E1068 Pad Pull-up Status Register PIOB_PUSR read-only -
0x400E1070 Peripheral Select Register PIOB_ABCDSR[2] read-write 0x0
0x400E1080 Input Filter Slow Clock Disable Register PIOB_IFSCDR write-only -
0x400E1084 Input Filter Slow Clock Enable Register PIOB_IFSCER write-only -
0x400E1088 Input Filter Slow Clock Status Register PIOB_IFSCSR read-only 0x00000000
0x400E108C Slow Clock Divider Debouncing Register PIOB_SCDR read-write 0x00000000
0x400E1090 Pad Pull-down Disable Register PIOB_PPDDR write-only -
0x400E1094 Pad Pull-down Enable Register PIOB_PPDER write-only -
0x400E1098 Pad Pull-down Status Register PIOB_PPDSR read-only -
0x400E10A0 Output Write Enable PIOB_OWER write-only -
0x400E10A4 Output Write Disable PIOB_OWDR write-only -
0x400E10A8 Output Write Status Register PIOB_OWSR read-only 0x00000000
0x400E10B0 Additional Interrupt Modes Enable Register PIOB_AIMER write-only -
0x400E10B4 Additional Interrupt Modes Disables Register PIOB_AIMDR write-only -
0x400E10B8 Additional Interrupt Modes Mask Register PIOB_AIMMR read-only 0x00000000
0x400E10C0 Edge Select Register PIOB_ESR write-only -
0x400E10C4 Level Select Register PIOB_LSR write-only -
0x400E10C8 Edge/Level Status Register PIOB_ELSR read-only 0x00000000
0x400E10D0 Falling Edge/Low Level Select Register PIOB_FELLSR write-only -
0x400E10D4 Rising Edge/ High Level Select Register PIOB_REHLSR write-only -
0x400E10D8 Fall/Rise - Low/High Status Register PIOB_FRLHSR read-only 0x00000000
0x400E10E0 Lock Status PIOB_LOCKSR read-only 0x00000000
0x400E10E4 Write Protect Mode Register PIOB_WPMR read-write 0x00000000
0x400E10E8 Write Protect Status Register PIOB_WPSR read-only 0x00000000
0x400E1100 Schmitt Trigger Register PIOB_SCHMITT read-write 0x00000000

Register Fields

PIOB PIO Enable Register

Name: PIOB_PER

Access: write-only

Address: 0x400E1000

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB PIO Disable Register

Name: PIOB_PDR

Access: write-only

Address: 0x400E1004

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB PIO Status Register

Name: PIOB_PSR

Access: read-only

Address: 0x400E1008

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Output Enable Register

Name: PIOB_OER

Access: write-only

Address: 0x400E1010

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Output Disable Register

Name: PIOB_ODR

Access: write-only

Address: 0x400E1014

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Output Status Register

Name: PIOB_OSR

Access: read-only

Address: 0x400E1018

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Glitch Input Filter Enable Register

Name: PIOB_IFER

Access: write-only

Address: 0x400E1020

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Glitch Input Filter Disable Register

Name: PIOB_IFDR

Access: write-only

Address: 0x400E1024

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Glitch Input Filter Status Register

Name: PIOB_IFSR

Access: read-only

Address: 0x400E1028

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Set Output Data Register

Name: PIOB_SODR

Access: write-only

Address: 0x400E1030

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Clear Output Data Register

Name: PIOB_CODR

Access: write-only

Address: 0x400E1034

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Output Data Status Register

Name: PIOB_ODSR

Access: read-write

Address: 0x400E1038

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Pin Data Status Register

Name: PIOB_PDSR

Access: read-only

Address: 0x400E103C

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Interrupt Enable Register

Name: PIOB_IER

Access: write-only

Address: 0x400E1040

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Interrupt Disable Register

Name: PIOB_IDR

Access: write-only

Address: 0x400E1044

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Interrupt Mask Register

Name: PIOB_IMR

Access: read-only

Address: 0x400E1048

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Interrupt Status Register

Name: PIOB_ISR

Access: read-only

Address: 0x400E104C

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Multi-driver Enable Register

Name: PIOB_MDER

Access: write-only

Address: 0x400E1050

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Multi-driver Disable Register

Name: PIOB_MDDR

Access: write-only

Address: 0x400E1054

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Multi-driver Status Register

Name: PIOB_MDSR

Access: read-only

Address: 0x400E1058

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Pull-up Disable Register

Name: PIOB_PUDR

Access: write-only

Address: 0x400E1060

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Pull-up Enable Register

Name: PIOB_PUER

Access: write-only

Address: 0x400E1064

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Pad Pull-up Status Register

Name: PIOB_PUSR

Access: read-only

Address: 0x400E1068

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Peripheral Select Register

Name: PIOB_ABCDSR[0:1]

Access: read-write

Address: 0x400E1070

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Input Filter Slow Clock Disable Register

Name: PIOB_IFSCDR

Access: write-only

Address: 0x400E1080

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Input Filter Slow Clock Enable Register

Name: PIOB_IFSCER

Access: write-only

Address: 0x400E1084

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Input Filter Slow Clock Status Register

Name: PIOB_IFSCSR

Access: read-only

Address: 0x400E1088

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Slow Clock Divider Debouncing Register

Name: PIOB_SCDR

Access: read-write

Address: 0x400E108C

31 30 29 28 27 26 25 24
- - - - - - - -
23 22 21 20 19 18 17 16
- - - - - - - -
15 14 13 12 11 10 9 8
- - DIV
7 6 5 4 3 2 1 0
DIV

PIOB Pad Pull-down Disable Register

Name: PIOB_PPDDR

Access: write-only

Address: 0x400E1090

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Pad Pull-down Enable Register

Name: PIOB_PPDER

Access: write-only

Address: 0x400E1094

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Pad Pull-down Status Register

Name: PIOB_PPDSR

Access: read-only

Address: 0x400E1098

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Output Write Enable

Name: PIOB_OWER

Access: write-only

Address: 0x400E10A0

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Output Write Disable

Name: PIOB_OWDR

Access: write-only

Address: 0x400E10A4

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Output Write Status Register

Name: PIOB_OWSR

Access: read-only

Address: 0x400E10A8

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Additional Interrupt Modes Enable Register

Name: PIOB_AIMER

Access: write-only

Address: 0x400E10B0

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Additional Interrupt Modes Disables Register

Name: PIOB_AIMDR

Access: write-only

Address: 0x400E10B4

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Additional Interrupt Modes Mask Register

Name: PIOB_AIMMR

Access: read-only

Address: 0x400E10B8

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Edge Select Register

Name: PIOB_ESR

Access: write-only

Address: 0x400E10C0

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Level Select Register

Name: PIOB_LSR

Access: write-only

Address: 0x400E10C4

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Edge/Level Status Register

Name: PIOB_ELSR

Access: read-only

Address: 0x400E10C8

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Falling Edge/Low Level Select Register

Name: PIOB_FELLSR

Access: write-only

Address: 0x400E10D0

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Rising Edge/ High Level Select Register

Name: PIOB_REHLSR

Access: write-only

Address: 0x400E10D4

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Fall/Rise - Low/High Status Register

Name: PIOB_FRLHSR

Access: read-only

Address: 0x400E10D8

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Lock Status

Name: PIOB_LOCKSR

Access: read-only

Address: 0x400E10E0

31 30 29 28 27 26 25 24
P31 P30 P29 P28 P27 P26 P25 P24
23 22 21 20 19 18 17 16
P23 P22 P21 P20 P19 P18 P17 P16
15 14 13 12 11 10 9 8
P15 P14 P13 P12 P11 P10 P9 P8
7 6 5 4 3 2 1 0
P7 P6 P5 P4 P3 P2 P1 P0

PIOB Write Protect Mode Register

Name: PIOB_WPMR

Access: read-write

Address: 0x400E10E4

31 30 29 28 27 26 25 24
WPKEY
23 22 21 20 19 18 17 16
WPKEY
15 14 13 12 11 10 9 8
WPKEY
7 6 5 4 3 2 1 0
- - - - - - - WPEN

PIOB Write Protect Status Register

Name: PIOB_WPSR

Access: read-only

Address: 0x400E10E8

31 30 29 28 27 26 25 24
- - - - - - - -
23 22 21 20 19 18 17 16
WPVSRC
15 14 13 12 11 10 9 8
WPVSRC
7 6 5 4 3 2 1 0
- - - - - - - WPVS

PIOB Schmitt Trigger Register

Name: PIOB_SCHMITT

Access: read-write

Address: 0x400E1100

31 30 29 28 27 26 25 24
SCHMITT31 SCHMITT30 SCHMITT29 SCHMITT28 SCHMITT27 SCHMITT26 SCHMITT25 SCHMITT24
23 22 21 20 19 18 17 16
SCHMITT23 SCHMITT22 SCHMITT21 SCHMITT20 SCHMITT19 SCHMITT18 SCHMITT17 SCHMITT16
15 14 13 12 11 10 9 8
SCHMITT15 SCHMITT14 SCHMITT13 SCHMITT12 SCHMITT11 SCHMITT10 SCHMITT9 SCHMITT8
7 6 5 4 3 2 1 0
SCHMITT7 SCHMITT6 SCHMITT5 SCHMITT4 SCHMITT3 SCHMITT2 SCHMITT1 SCHMITT0