Sharp MZ-800 Technical Reference And User's Guide

Pin configuration
CPU
AOO
•o•
AOJ
AO<
A01
A08
AOO
AOS
AOO
AOE
AOF
on
OT2
OT<
OTS
OTO
OT7
GNO
TEMP !'.JG PSG JOY PORT RSTO CPS IOWR TEST KE'f
C53 CKMS CPR WTGD MNRT SIO lORD MOD7 NTPL CROM
1m "'R'FSil Rf '(7;H WIJi Vlti:S" VAOO VAD2 VAD4 VA06
WJf ~ SELt !NHS GND vt:A3" VA01 VA03 VAD5 VA07
CLKO
v.
GREN
BLUE
REO
SBCR
VC7
vco
VCJ
VCO
VAl
VAA
VAO
GNO
Custom LSI block diagram
VSYN SBCR
HSYN VBLN CKMS
CPU
CLKO
NTPL
ADO- F
DTO -7
RD
WR
MREQ
M1
IORQ
RFSH
CROM
SEL1
CASB
I NHS
CPR
KEY
C53
53G
JOY
PSG
CRS
SIO
lORD
IOWR
WTGD
16
8
I
Clock generator &
timing generator
CPU address
CPU
CPU
VF
CONTROL
f..--
Memory
I--
controller
----
1/0
controller
WAIT
controller
+
r-l Display address
generator
,.------
!
DATA I 'I~
f---------1
MPX
I
Hisplaycontrol
.-- register
t
I--
~Scroll register~
r----
Scroll circuit
! t
MPX
I
VRAM address
controller
!
I
MPX
J VRAM
I
-~ Timing control 1
1
8
VRAS VCAS VRWR VAD0-7
VROE
8
I
V cc 2, 29, 52, 79, pin
GND
3, 28, 40, 53, 78 pin
PORT MNRT
RESET
,...-----
Input
BUFF
'-----
Pallet
circuit
Shift
register
+
VRAM data VO circuit
ts
8
VA0-7 VC0-7
RSTO
MOD7
TEMP
RED
GREN
BLUE
YITN

Sharp MZ-800 Specifications

General

Brand	Sharp
Model	MZ-800
Category	Desktop
Language	English