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Part Name
Description
HD404326UH View Datasheet(PDF) - Hitachi -> Renesas Electronics
Part Name
Description
Manufacturer
HD404326UH
4-Bit Microcontroller
Hitachi -> Renesas Electronics
HD404326UH Datasheet PDF : 94 Pages
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HD404328 Series
MCU operation
cycle
Yes
IF = 1?
No
Instruction execution
No
IM = 0, IE = 1?
Yes
Yes
SBY, STOP
instruction?
No
Low-power mode
operation cycle
PC
←
next location
IE
←
0; stack
←
(PC),
(CA), (ST)
PC
←
vector address
IF: Interrupt request flag
IM: Interrupt mask
IE: Interrupt enable flag
PC: Program counter
CA: Carry flag
ST: Status flag
Figure 17 MCU Operating Sequence (MCU Operation Cycle)
34
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