34.7 Register Summary
L variant devices have a second Analog Comparator, called AC1. (The registers for the first Analog Comparator (AC), start at memory offset 0x4200_4400. The registers for the AC1 start at memory offset 0x4200_5400.)
| Offset | Name | Bit Pos. | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
|---|---|---|---|---|---|---|---|---|---|---|
| 0x00 | CTRLA | 7:0 | LPMUX | RUNSTDBY | ENABLE | SWRST | ||||
| 0x01 | CTRLB | 7:0 | START1 | START0 | ||||||
| 0x02 | EVCTRL | 7:0 | WINEO0 | COMPEO1 | COMPEO0 | |||||
| 15:8 | COMPEI1 | COMPEI0 | ||||||||
| 0x04 | INTENCLR | 7:0 | WIN0 | COMP1 | COMP0 | |||||
| 0x05 | INTENSET | 7:0 | WIN0 | COMP1 | COMP0 | |||||
| 0x06 | INTFLAG | 7:0 | WIN0 | COMP1 | COMP0 | |||||
0x07 | Reserved | |||||||||
| 0x08 | STATUSA | 7:0 | WSTATE0[1:0] | STATE1 | STATE0 | |||||
| 0x09 | STATUSB | 7:0 | SYNCBUSY | READY1 | READY0 | |||||
| 0x0A | STATUSC | 7:0 | WSTATE0[1:0] | STATE1 | STATE0 | |||||
0x0B | Reserved | |||||||||
| 0x0C | WINCTRL | 7:0 | WINTSEL0[1:0] | WEN0 | ||||||
0x0D ... 0x0F | Reserved | |||||||||
| 0x10 | COMPCTRL0 | 7:0 | INTSEL[1:0] | SPEED[1:0] | SINGLE | ENABLE | ||||
| 15:8 | SWAP | MUXPOS[1:0] | MUXNEG[2:0] | |||||||
| 23:16 | HYST | OUT[1:0] | ||||||||
| 31:24 | FLEN[2:0] | |||||||||
| 0x14 | COMPCTRL1 | 7:0 | INTSEL[1:0] | SPEED[1:0] | SINGLE | ENABLE | ||||
| 15:8 | SWAP | MUXPOS[1:0] | MUXNEG[2:0] | |||||||
| 23:16 | HYST | OUT[1:0] | ||||||||
| 31:24 | FLEN[2:0] | |||||||||
0x18 ... 0x1F | Reserved | |||||||||
| 0x20 | SCALER0 | 7:0 | VALUE[5:0] | |||||||
| 0x21 | SCALER1 | 7:0 | VALUE[5:0] | |||||||