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零件编号
产品描述 (功能)
HD4048412 查看數據表(PDF) - Renesas Electronics
零件编号
产品描述 (功能)
生产厂家
HD4048412
4-Bit Single-Chip Microcomputer
Renesas Electronics
HD4048412 Datasheet PDF : 127 Pages
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Power on
RESET
= 0?
No
Yes
Reset MCU
HD404849 Series
Interrupt
request?
No
Yes
No
IE = 1?
Yes
Execute instruction
Accept interrupt
PC
←
(PC) + 1
IE
←
0
Stack
←
(PC)
Stack
←
(CA)
Stack
←
(ST)
PC
←
$0002
PC
←
$0004
PC
←
$0006
PC
←
$0008
PC
←
$000A
PC
←
$000C
PC
←
$000E
Yes
INT
0
interrupt?
No
Yes
INT
1
interrupt?
No
Yes
Timer A
interrupt?
No
Yes
Timer B/INT
2
interrupt?
No
Yes
Timer C/INT
3
interrupt?
No
Yes
Timer D
interrupt?
No
(A/D, serial interrupt)
Figure 11 Interrupt Processing Flowchart
22
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