at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 213

• Manufacturer Part Number: at91rm3400
• Description: Atmel Advanced At91 Arm Microcontroller
• Manufacturer: ATMEL Corporation

Table 37. PIO Register Mapping (Continued)
Notes:
1790A–ATARM–11/03
Offset
0x0070
0x0074
0x0078
0x007C
to
0x009C
0x00A0
0x00A4
0x00A8
0x00AC
1. Reset value of PIO_PSR depends on the product implementation.
2. PIO_ODSR is Read-only or Read/Write depending on PIO_OWSR I/O lines.
3. Reset value of PIO_PDSR depends on the level of the I/O lines.
4. PIO_ISR is reset at 0x0. However, the first read of the register may read a different value as input changes may have
5. Only this set of registers clears the status by writing 1 in the first register and sets the status by writing 1 in the second
occurred.
register.
Register
PIO Peripheral A Select Register
PIO Peripheral B Select Register
PIO AB Status Register
Reserved
PIO Output Write Enable
PIO Output Write Disable
PIO Output Write Status Register
Reserved
(5)
(5)
(5)
Name
PIO_ASR
PIO_BSR
PIO_ABSR
PIO_OWER
PIO_OWDR
PIO_OWSR
Write-only
Write-only
Read-only
Write-only
Write-only
Read-only
Access
AT91RM3400
0x0000 0000
Reset Value
0x0000 0000
–
–
–
–
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