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GMS81032 Datasheet(PDF) 72 Page - Hynix Semiconductor

Part # GMS81032
Description  8-BIT SINGLE CHIP MICROCOMPUTERS
PDF  101 Pages
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Manufacturer  HYNIX [Hynix Semiconductor]
Direct Link  http://www.skhynix.com/kor/main.do
Logo HYNIX - Hynix Semiconductor

GMS81032 Datasheet(HTML) 72 Page - Hynix Semiconductor

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Clock
SYNC
R/W
INTERNAL
ADDR. BUS
INTERNAL
DATA BUS
INTERNAL
READ
INTERNAL
WRITE
PC
SP
SP-1
SP-2
LVA*2
HVA*3
NEW PC
OP
CODE
OP
CODE
PCH
PCL
PSW
¡ÈL¡È
VECTOR
¡ÈH¡È
VECTOR
Fig. 5. 3 Interrupt Procesing Step Timing
*1 ISR
: Interrupt Service Routine
*2 LVA
: Low Vector Address
*3 HVA : High Vector Address
5.1 SOFTWARE INTERRUPT
5.5.1 Interrupt by Break(BRK) Instruction
Software interrupt is available just by writing ¡ÈBreak(BRK)¡È instruction.
The values of PC and PSW is stacked by BRK instruction and then B flag of PSW is set
and I flag is reset.
N
V
G
B
H
I
Z
C
Flag change by BRK execution
PSW
N
V
G
1
H
0
Z
C
PSW
set
reset
(Right after BRK execution)
Chapter 5. Interrupt
Interrupt Process Step
ISR*1



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