Control A
Name:
CTRLA
Offset:
0x00 [ID-00000a2f]
Reset:
0x00
Access:
PAC Write-Protection
Bit
7
6
5
4
3
2
1
0
IORET
Access
R/W
Reset
0
Bit 2 – IORET: I/O Retention
I/O Retention
Note:
This bit is not reset by a backup reset.
Value
Description
0
After waking up from Backup mode, I/O lines are not held.
1
After waking up from Backup mode, I/O lines are held until IORET is written to 0.