MEC1404 Datasheet, PDF (474/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
39.11.1 DAC ACTIVATE REGISTER
Offset ^00h
Bits
Description
Type
31:1 Reserved
R
0 ACTIVATE
R/W
1=Block is active. The DAC may be turned on
0=Block disabled. The DAC is in its lowest power state and cannot
be enabled
Default
-
0h
Reset
Event
-
nSYSR
ST
39.11.2
Note:
DAC CONFIGURATION REGISTER
The DAC Configuration register can only be modified when the DACON bit in the DAC Control Register is
zero.
Offset ^04h
Bits
Description
Type
31:3 Reserved
R
2 DAC_VREF SLEEP_CONTROL
R/W
1=The DAC responds to its Sleep_Enable input. This DAC output
is tristated when the chip is sleeping.
Note:
If it is not desired to have the DAC start operating follow-
ing a wake event, then it must be disabled prior going to
sleep.
0=DAC ignores its Sleep_Enable input. The DAC output is remains
unchanged when the chip is sleeping.
1 DAC_VREF PIN_EN
R/W
1=DAC pin output buffer enabled; DAC output available on DAC pin
0=DAC pin output buffer disabled
0 DAC_VREF INTRL_EN
R/W
1=DAC internal output buffer enabled; DAC output available to
internal logic
0=DAC internal output buffer disabled
Default
-
0h
Reset
Event
-
RESET
_DAC
0h
RESET
_DAC
0h
RESET
_DAC
DS00001956D-page 474
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