Atmel AT91M55800A Answering Machine User Manual


 
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1745D–ATARM–04-Nov-05
AT91M55800A
16.9.11 PIO Clear Output Data Register
Register Name: PIO_CODR
Access Type: Write-only
Offset:
0x34
This register is used to clear PIO output data. It affects the pin only if the corresponding PIO output line is enabled and if the
pin is controlled by the PIO. Otherwise, the information is stored.
1 = PIO output data on the corresponding pin is cleared.
0 = No effect.
16.9.12 PIO Output Data Status Register
Register Name: PIO_ODSR
Access Type: Read-only
Offset:
0x38
Reset Value: 0
This register shows the output data status which is programmed in PIO_SODR or PIO_CODR. The defined value is effec-
tive only if the pin is controlled by the PIO Controller and only if the pin is defined as an output.
1 = The output data for the corresponding line is programmed to 1.
0 = The output data for the corresponding line is programmed to 0.
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
76543210
P7 P6 P5 P4 P3 P2 P1 P0
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
76543210
P7 P6 P5 P4 P3 P2 P1 P0