Datasheet

 
 
SBAS323G − JUNE 2004 − REVISED OCTOBER 2007
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98
Power-Down Control (PDCON)
7 6 5 4 3 2 1 0 Reset Value
SFR F1h 0 PDDAC PDI2C PDPWM PDADC PDWDT PDST PDSPI 7Fh
Turning peripheral modules off puts the MSC1211/12/13/14 in the lowest power mode.
PDDAC DAC Module Control.
bit 6 0 = DACs On
1 = DACs Power Down
PDI2C I2C Control (MSC1211 and MSC1213 only).
bit 5 0 = I
2
C On (the state is undefined if PDSPI is also = 0)
1 = I
2
C Power Down
PDPWM Pulse Width Module Control.
bit 4 0 = PWM On
1 = PWM Power Down
PDADC ADC Control.
bit 3 0 = ADC On
1 = ADC, V
REF
, and Summation registers are powered down.
PDWDT Watchdog Timer Control.
bit 2 0 = Watchdog Timer On
1 = Watchdog Timer Power Down
PDST System Timer Control.
bit 1 0 = System Timer On
1 = System Timer Power Down
PDSPI SPI System Control.
bit 0 0 = SPI System On (the state is undefined if PDI2C is also = 0)
1 = SPI System Power Down
PSEN/ALE Select (PASEL)
7 6 5 4 3 2 1 0 Reset Value
SFR F2h 0 0 PSEN2 PSEN1 PSEN0 0 ALE1 ALE0 00h
PSEN2−0 PSEN Mode Select.
bits 5−3
PSEN2 PSEN1 PSEN0
0 0 X PSEN
0 1 X CLK
1 0 X ADC MODCLK
1 1 0 Low
1 1 1 High
ALE1−0 ALE Mode Select.
bits 1−0
ALE1 ALE0
0 X ALE
1 0 Low
1 1 High
NOTE
:
X = don’t care.