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Part Name
Description
HD404328US View Datasheet(PDF) - Renesas Electronics
Part Name
Description
Manufacturer
HD404328US
4-bit HMCS400-series microcomputer
Renesas Electronics
HD404328US Datasheet PDF : 96 Pages
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Standby
Oscillator: Active
Peripheral clocks: Active
All other clocks: Stopped
Watch
Oscillator: Stopped
Sub-oscillator: Active
Peripheral clocks: Stopped
All other clocks: Stopped
HD404328 Series
No
RESET
= 1?
Yes
IF0
No
= 1?
Yes
IM0
= 0?
No
Yes
IF1
No
= 1?
Yes
IM1
= 0?
No
Yes
(SBY
only)
IFTA
No
= 1?
Yes
IFTB
No
= 1?
IMTA
= 0?
No
Yes
Yes
IMTB
= 0?
No
Yes
IFTC
No
= 1?
Yes
IMTC
= 0?
No
Yes
IFZC
No
= 1?
Yes
IMZC
= 0?
No
IFAD
No
= 1?
Yes
No
IFS
= 1?
Yes
IMAD
Yes
= 0?
No
Yes
IMS
= 0?
No
(SBY
only)
(SBY
only)
(SBY
only)
(SBY
only)
(SBY Yes
only)
Restart
processor clocks
Reset MCU
Execute next
instruction
Restart
processor clocks
Execute next
instruction
No
IF = 1,
IM = 0,
IE = 1?
Yes
Accept interrupt
Figure 11 MCU Operation Flowchart
29
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