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16.4 D/A Output Control
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In the H8/3048 Series, D/A converter output can be enabled or disabled in software standby mode.
When the DASTE bit is set to 1 in DASTCR, D/A converter output is enabled in software standby
mode. The D/A converter registers retain the values they held prior to the transition to software
standby mode.
When D/A output is enabled in software standby mode, the reference supply current is the same as
during normal operation.
16.5 Usage Notes
When using an D/A converter, note the following.
≥ AV
(1) V
– 0.3V
CC
CC
≥ V
≥ ANn ≥ AV
(2) AV
CC
REF
(N = 0 to 7)
Note: Restriction for the ZTAT
Memory version and Mask ROM version can be used regularly without restriction.
= V
SS
SS
TM
version only; The S Mask version of ZTAT
551
TM
, the Flash
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