MG69M220 Datasheet, PDF (13/27 Pages) Megawin Technology Co., Ltd – Single Chip 8-bit CPU

MG69M220 Datasheet
Version 1.09
7.2 Interrupt System
P 0 / P1
STA IRQ_ EN , # I
IRQ _ ST . 2/1
SQ
R
Timer 0/1
underflow signal
IRQ_ ST.3 /4
SQ
R
Divider overflow signal
DIV 1_IST.4
DIV 1_IST.7
DIV 1_IST.10
DIV 1_IST.13
Initial Reset
CLI instruction
IRQ _ EN .2 /1
IRQ _ EN .3/4
Enable
Interrupt
Process
Logic
Interrupt
Vector
Generator
Logic
FFFEH,
FFFFH
IRQ _ EN .5
Initial Reset
STA IRQ _ CLR , # I
Disable
Figure 7-1 Interrupt System Diagram
SEI
instruction
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QP-7300-03D
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