Datasheet

1081
32117D–AVR-01/12
AT32UC3C
35.7.1 ACA Configuration Register
Name:
CONFA
Access Type: Read/Write
Offset: 0x00
Reset Value: 0x80000000
• OEN: Output Enable
“0”: Enable to map the ACA output (ACAOUT) to a pad
“1”: Not able to map the ACA output (ACAOUT) to a pad
• SS: Speed select
0: The low power mode is selected (longest propagation delay, lowest current consumption)
1: The high-speed mode is selected (shortest propagation delay, highest current consumption)
• HS: Hysteresis select
“00” or “11”: no hysteresis
“01”: small hysteresis, 20 mV
“10”: high hysteresis, 50 mv
• INSELN: Negative input select
i: select the i
th
input of the mux
• INSELP: Positive input select
i: select the i
th
input of the mux
• IS: Interrupt settings
“00”: The comparator interrupt is set as soon as vip
A
> vin
A
“01”: The comparator interrupt is set as soon as vip
A
< vin
A
“10”: The comparator interrupt is set on toggle of analog comparator output
31 30 29 28 27 26 25 24
OEN - - SS - - HS
23 22 21 20 19 18 17 16
---- INSELN
15 14 13 12 11 10 9 8
---- INSELP
76543210
------ IS