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| HD404339 Datasheet, PDF (27/80 Pages) Hitachi Semiconductor – 4-bit HMCS400-Series microcomputer with large-capacity memory | |||
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Low-power mode
operation cycle
IF = 1 and
No
IM = 0?
Yes
Standby mode
HD404339 Series
Stop mode
Hardware NOP
execution
No
IF = 1 and
IM = 0?
Yes
Hardware NOP
execution
No
STOPC = 0?
Yes
RAME = 1
PC â Next
Iocation
PC â Next
Iocation
Instruction
execution
Reset MCU
MCU operation
cycle
Figure 17 MCU Operating Sequence (Low-Power Mode Operation)
25
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