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ZiLOG Z8 Technical Manual

ZiLOG Z8
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......
o
I
CJ)
w
o
!j
6
~
51'
w
o
!j
6
~
0>
INTERNAL
CLOCK
_1-
___
M
2_!-M3_I_STACKPUSH_!-STACK
PUSH_I_STACK
PUSH_I-U7_!-M,_I_M2_
ulU
u u u u u u u
ur--
iii
ADo-AD7
OUT
ADO-AD7IN
INTERNAL
CLOCK
iii
RlW
ADo-AD7
OUT
~
ADO-AD7IN
RlW
GJ
I sP-=1)
PCl
! SP-2 !
PCu
!
SP-3!
FLAGS !
FL!GSJ
I
VECT
I
CJ
-
OPCODE
(DISCARDE!l)
FIRST INSTRUCTION
OF
INTERRUPT_~
SERVICE
ROUTINE
L-J
.....
______________________
.....
!-FOR
STACK EXTERNAL ONLY
Figure
10-12.
ROM
Z8
Interrupt
T~ing
(shrink
parts)
----+l-_--M3_!-STACK
PUSH_I_STACK
PUSH_I_STACK
PUSH-I-VE6'ii;~IGH_1-
vE6TEJ;~ow-I-M,-l_M2-
~
I
VECT
I
CJ~
VECT+l
r?-1)--PC-l
-,
SP-2
r:==!Cu
~[.
FLAGS=:r=J::>
r-1-
EVEN
VECTOR
ADDRESS
ODD
VE~DRES~
[3
CJ-OPCODE
(DISCARDED)
I
VECT.I
I
VECTd
CJ------
FIRST INSTRUCTION
OF
INTERRUPT
SERVICE
ROUTlNE---'
.....
____________________
.....
I-FOR
STACK
EXTERNAL
ONLY
figure
10-13.
Z8681
ROHless
Z8
Interrupt
TDing
.....
::J
rT
CD
..,
..,
C
"C
rT
en

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ZiLOG Z8 Specifications

General IconGeneral
BrandZiLOG
ModelZ8
CategoryDesktop
LanguageEnglish

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