Datasheet

105
32117D–AVR-01/12
AT32UC3C
8.6.10 1.8V BOD Control Register
Name: BOD
Access Type: Read/Write
Offset: 0x002C
Reset Value: 0x00000000
• SFV: Store Final Value
0: The register is read/write.
1: The register is read-only, to protect against further accidental writes.
• FCD: BOD18 Fuse Calibration Done
Set to 1 when the CTRL, HYST and LEVEL fields have been updated by the Flash fuses after a reset.
0: The flash calibration will be redone after any reset.
1: The flash calibration will not be redone after a BOD18 reset.
• CTRL: BOD18 Control
• HYST: BOD18 Hysteresis
0: No hysteresis.
1: Hysteresis on.
31 30 29 28 27 26 25 24
SFV-------
23 22 21 20 19 18 17 16
-------FCD
15 14 13 12 11 10 9 8
------ CTRL
76543210
- HYST LEVEL
Table 8-7. Operation mode for BOD18
CTRL Description
0x0 BOD18 is off
0x1 BOD18 is enabled and can reset the chip
0x2
BOD18 is enabled, but cannot reset the chip. Only interrupt will be sent to interrupt controller, if enabled in
the IMR register.
0x3 Reserved