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ATSAM4S-XPLD
523
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
0x0070
Peripheral Select Register 1
PIO_ABCDSR1
Read-write
0x00000000
0x0074
Peripheral Select Register 2
PIO_ABCDSR2
Read-write
0x00000000
0x0078
to
0x007C
to
0x007C
Reserved
0x0080
Input Filter Slow Clock Disable Register
PIO_IFSCDR
Write-only
–
0x0084
Input Filter Slow Clock Enable Register
PIO_IFSCER
Write-only
–
0x0088
Input Filter Slow Clock Status Register
PIO_IFSCSR
Read-only
0x00000000
0x008C
Slow Clock Divider Debouncing Register
PIO_SCDR
Read-write
0x00000000
0x0090
Pad Pull-down Disable Register
PIO_PPDDR
Write-only
–
0x0094
Pad Pull-down Enable Register
PIO_PPDER
Write-only
–
0x0098
Pad Pull-down Status Register
PIO_PPDSR
Read-only
0x009C
Reserved
0x00A0
Output Write Enable
PIO_OWER
Write-only
–
0x00A4
Output Write Disable
PIO_OWDR
Write-only
–
0x00A8
Output Write Status Register
PIO_OWSR
Read-only
0x00000000
0x00AC
Reserved
0x00B0
Additional Interrupt Modes Enable Register
PIO_AIMER
Write-only
–
0x00B4
Additional Interrupt Modes Disables Register
PIO_AIMDR
Write-only
–
0x00B8
Additional Interrupt Modes Mask Register
PIO_AIMMR
Read-only
0x00000000
0x00BC
Reserved
0x00C0
Edge Select Register
PIO_ESR
Write-only
–
0x00C4
Level Select Register
PIO_LSR
Write-only
–
0x00C8
Edge/Level Status Register
PIO_ELSR
Read-only
0x00000000
0x00CC
Reserved
0x00D0
Falling Edge/Low Level Select Register
PIO_FELLSR
Write-only
–
0x00D4
Rising Edge/ High Level Select Register
PIO_REHLSR
Write-only
–
0x00D8
Fall/Rise - Low/High Status Register
PIO_FRLHSR
Read-only
0x00000000
0x00DC
Reserved
0x00E0
Lock Status
PIO_LOCKSR
Read-only
0x00000000
0x00E4
Write Protect Mode Register
PIO_WPMR
Read-write
0x0
0x00E8
Write Protect Status Register
PIO_WPSR
Read-only
0x0
0x00EC
to
0x00F8
to
0x00F8
Reserved
0x0100
Schmitt Trigger Register
PIO_SCHMITT
Read-write
0x00000000
0x0104-
0x010C
0x010C
Reserved
0x0110
Reserved
0x0114-
0x011C
0x011C
Reserved
Table 30-3. Register Mapping (Continued)
Offset
Register
Name
Access
Reset