Datasheet

756
32142D–06/2013
ATUC64/128/256L3/4U
30.9.1 Control Register
Name:
CTRL
Access Type: Read/Write
Offset: 0x00
Reset Value: 0x00000000
• SUT: Startup Time
Analog Comparator startup time = .
Each time an AC is enabled, the AC comparison will be enabled after the startup time of the AC.
• ACTEST: Analog Comparator Test Mode
0: The Analog Comparator outputs feeds the channel logic in ACIFB.
1: The Analog Comparator outputs are bypassed with the AC Test Register.
• ESTART: Peripheral Event Start Single Comparison
Writing a zero to this bit has no effect.
Writing a one to this bit starts a comparison and can be used for test purposes.
This bit is cleared when comparison is done.
This bit is set when an enabled peripheral event is received.
• USTART: User Start Single Comparison
Writing a zero to this bit has no effect.
Writing a one to this bit starts a Single Measurement Mode comparison.
This bit is cleared when comparison is done.
• EVENTEN: Peripheral Event Trigger Enable
0: A peripheral event will not trigger a comparison.
1: Enable comparison triggered by a peripheral event.
• EN: ACIFB Enable
0: The ACIFB is disabled.
1: The ACIFB is enabled.
31 30 29 28 27 26 25 24
--------
23 22 21 20 19 18 17 16
------ SUT[9:8]
15 14 13 12 11 10 9 8
SUT[7:0]
76543210
ACTEST - ESTART USTART - - -EVENTEN EN
SUT
F
GCLK
---------------- -