SAM3XA PIOD

Parallel Input/Output Controller (PIOD) User Interface

Registers

Register Mapping
Address Register Name Access Reset
0x400E1400 PIO Enable Register PIOD_PER write-only -
0x400E1404 PIO Disable Register PIOD_PDR write-only -
0x400E1408 PIO Status Register PIOD_PSR read-only -
0x400E1410 Output Enable Register PIOD_OER write-only -
0x400E1414 Output Disable Register PIOD_ODR write-only -
0x400E1418 Output Status Register PIOD_OSR read-only 0x00000000
0x400E1420 Glitch Input Filter Enable Register PIOD_IFER write-only -
0x400E1424 Glitch Input Filter Disable Register PIOD_IFDR write-only -
0x400E1428 Glitch Input Filter Status Register PIOD_IFSR read-only 0x00000000
0x400E1430 Set Output Data Register PIOD_SODR write-only -
0x400E1434 Clear Output Data Register PIOD_CODR write-only -
0x400E1438 Output Data Status Register PIOD_ODSR read-write -
0x400E143C Pin Data Status Register PIOD_PDSR read-only -
0x400E1440 Interrupt Enable Register PIOD_IER write-only -
0x400E1444 Interrupt Disable Register PIOD_IDR write-only -
0x400E1448 Interrupt Mask Register PIOD_IMR read-only 0x00000000
0x400E144C Interrupt Status Register PIOD_ISR read-only 0x00000000
0x400E1450 Multi-driver Enable Register PIOD_MDER write-only -
0x400E1454 Multi-driver Disable Register PIOD_MDDR write-only -
0x400E1458 Multi-driver Status Register PIOD_MDSR read-only 0x00000000
0x400E1460 Pull-up Disable Register PIOD_PUDR write-only -
0x400E1464 Pull-up Enable Register PIOD_PUER write-only -
0x400E1468 Pad Pull-up Status Register PIOD_PUSR read-only 0x00000000
0x400E1470 Peripheral AB Select Register PIOD_ABSR read-write 0x00000000
0x400E1480 System Clock Glitch Input Filter Select Register PIOD_SCIFSR write-only -
0x400E1484 Debouncing Input Filter Select Register PIOD_DIFSR write-only -
0x400E1488 Glitch or Debouncing Input Filter Clock Selection Status Register PIOD_IFDGSR read-only 0x00000000
0x400E148C Slow Clock Divider Debouncing Register PIOD_SCDR read-write 0x00000000
0x400E14A0 Output Write Enable PIOD_OWER write-only -
0x400E14A4 Output Write Disable PIOD_OWDR write-only -
0x400E14A8 Output Write Status Register PIOD_OWSR read-only 0x00000000
0x400E14B0 Additional Interrupt Modes Enable Register PIOD_AIMER write-only -
0x400E14B4 Additional Interrupt Modes Disables Register PIOD_AIMDR write-only -
0x400E14B8 Additional Interrupt Modes Mask Register PIOD_AIMMR read-only 0x00000000
0x400E14C0 Edge Select Register PIOD_ESR write-only -
0x400E14C4 Level Select Register PIOD_LSR write-only -
0x400E14C8 Edge/Level Status Register PIOD_ELSR read-only 0x00000000
0x400E14D0 Falling Edge/Low Level Select Register PIOD_FELLSR write-only -
0x400E14D4 Rising Edge/ High Level Select Register PIOD_REHLSR write-only -
0x400E14D8 Fall/Rise - Low/High Status Register PIOD_FRLHSR read-only 0x00000000
0x400E14E0 Lock Status PIOD_LOCKSR read-only 0x00000000
0x400E14E4 Write Protect Mode Register PIOD_WPMR read-write 0x00000000
0x400E14E8 Write Protect Status Register PIOD_WPSR read-only 0x00000000

Register Fields

PIOD PIO Enable Register

Name: PIOD_PER

Access: write-only

Address: 0x400E1400

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

PIOD PIO Disable Register

Name: PIOD_PDR

Access: write-only

Address: 0x400E1404

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

PIOD PIO Status Register

Name: PIOD_PSR

Access: read-only

Address: 0x400E1408

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

PIOD Output Enable Register

Name: PIOD_OER

Access: write-only

Address: 0x400E1410

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

PIOD Output Disable Register

Name: PIOD_ODR

Access: write-only

Address: 0x400E1414

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

PIOD Output Status Register

Name: PIOD_OSR

Access: read-only

Address: 0x400E1418

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

PIOD Glitch Input Filter Enable Register

Name: PIOD_IFER

Access: write-only

Address: 0x400E1420

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

PIOD Glitch Input Filter Disable Register

Name: PIOD_IFDR

Access: write-only

Address: 0x400E1424

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

PIOD Glitch Input Filter Status Register

Name: PIOD_IFSR

Access: read-only

Address: 0x400E1428

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

PIOD Set Output Data Register

Name: PIOD_SODR

Access: write-only

Address: 0x400E1430

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

PIOD Clear Output Data Register

Name: PIOD_CODR

Access: write-only

Address: 0x400E1434

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

PIOD Output Data Status Register

Name: PIOD_ODSR

Access: read-write

Address: 0x400E1438

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

PIOD Pin Data Status Register

Name: PIOD_PDSR

Access: read-only

Address: 0x400E143C

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

PIOD Interrupt Enable Register

Name: PIOD_IER

Access: write-only

Address: 0x400E1440

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

PIOD Interrupt Disable Register

Name: PIOD_IDR

Access: write-only

Address: 0x400E1444

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

PIOD Interrupt Mask Register

Name: PIOD_IMR

Access: read-only

Address: 0x400E1448

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

PIOD Interrupt Status Register

Name: PIOD_ISR

Access: read-only

Address: 0x400E144C

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

PIOD Multi-driver Enable Register

Name: PIOD_MDER

Access: write-only

Address: 0x400E1450

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

PIOD Multi-driver Disable Register

Name: PIOD_MDDR

Access: write-only

Address: 0x400E1454

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

PIOD Multi-driver Status Register

Name: PIOD_MDSR

Access: read-only

Address: 0x400E1458

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

PIOD Pull-up Disable Register

Name: PIOD_PUDR

Access: write-only

Address: 0x400E1460

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

PIOD Pull-up Enable Register

Name: PIOD_PUER

Access: write-only

Address: 0x400E1464

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

PIOD Pad Pull-up Status Register

Name: PIOD_PUSR

Access: read-only

Address: 0x400E1468

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

PIOD Peripheral AB Select Register

Name: PIOD_ABSR

Access: read-write

Address: 0x400E1470

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

PIOD System Clock Glitch Input Filter Select Register

Name: PIOD_SCIFSR

Access: write-only

Address: 0x400E1480

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

PIOD Debouncing Input Filter Select Register

Name: PIOD_DIFSR

Access: write-only

Address: 0x400E1484

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

PIOD Glitch or Debouncing Input Filter Clock Selection Status Register

Name: PIOD_IFDGSR

Access: read-only

Address: 0x400E1488

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

PIOD Slow Clock Divider Debouncing Register

Name: PIOD_SCDR

Access: read-write

Address: 0x400E148C

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

PIOD Output Write Enable

Name: PIOD_OWER

Access: write-only

Address: 0x400E14A0

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

PIOD Output Write Disable

Name: PIOD_OWDR

Access: write-only

Address: 0x400E14A4

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

PIOD Output Write Status Register

Name: PIOD_OWSR

Access: read-only

Address: 0x400E14A8

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

PIOD Additional Interrupt Modes Enable Register

Name: PIOD_AIMER

Access: write-only

Address: 0x400E14B0

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

PIOD Additional Interrupt Modes Disables Register

Name: PIOD_AIMDR

Access: write-only

Address: 0x400E14B4

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

PIOD Additional Interrupt Modes Mask Register

Name: PIOD_AIMMR

Access: read-only

Address: 0x400E14B8

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

PIOD Edge Select Register

Name: PIOD_ESR

Access: write-only

Address: 0x400E14C0

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

PIOD Level Select Register

Name: PIOD_LSR

Access: write-only

Address: 0x400E14C4

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

PIOD Edge/Level Status Register

Name: PIOD_ELSR

Access: read-only

Address: 0x400E14C8

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

PIOD Falling Edge/Low Level Select Register

Name: PIOD_FELLSR

Access: write-only

Address: 0x400E14D0

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

PIOD Rising Edge/ High Level Select Register

Name: PIOD_REHLSR

Access: write-only

Address: 0x400E14D4

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

PIOD Fall/Rise - Low/High Status Register

Name: PIOD_FRLHSR

Access: read-only

Address: 0x400E14D8

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

PIOD Lock Status

Name: PIOD_LOCKSR

Access: read-only

Address: 0x400E14E0

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

PIOD Write Protect Mode Register

Name: PIOD_WPMR

Access: read-write

Address: 0x400E14E4

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

PIOD Write Protect Status Register

Name: PIOD_WPSR

Access: read-only

Address: 0x400E14E8

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