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CLC-AICC
-Pin
Function
No.
Pin
name
I/O
Function
I
XSCK
1
,0
Serial
communica tion c lock
2
SO
0
Serial
communica tion transmission
dala
3
GV[DEO
0
Switching
game
display only or
LD
and game
display
overlay
H
:
Game
only
L
:
Overlay
4
N.C
I
NO! used
,
EIO
8
I
Delect pack
category
H
:
Normal
L
:
Not
defined
6
XROMEXT
0
Select Mode
control ROM
H
:
Main
unit
L
: Ins ide Pac
k
7
XRESET
I
Reset
input
8
VOO
-
Standard
power supply
9
x,
System
clock
10
X,
I
II
Vss
-
OND
12
W.D.F
0
Pulse
output for watchdog limeT
13
XCS
0
Character genera tor
chip
se lect
14
XRESETO
0
Reset ompul
II
POWER
ON
0
Sw
itched
5V ON,.oFF
H
:ON
L :OFF
16
LEDO
0
PLAY LED
drive output
17
LED 1
0
MEMORY LED
drive
output
IS
LED
2
0
STANDBY!POWER
LED
drive output
19
LED
3
0
LD
LED
drive
output
20
ACK
1
,0
Communication handshake
liming clock
with
mechanism
con
trol
21
XWAIT
I
Read/Wril
c
wail
li ming
clock wilh
ex terna
l
memory
22
XW.
0
Write
strobe
with ed
ema
l
memory
23
X.D
0
Read
strobe
with
e~ temal
memory
24
PACKDET
0
Pack
detect
H
:
with
Pac
k
L
o
without
Pack
2l
SEGAMUTE
0
Di
gital
audi
o
mute
(When CD
ROM
game of PA
C
SIO
only
)
H
o
M
ute
26
LED 4
0
CD
LED drive
output
27
ATCC
0
Switch
digital
niter alleouale con
trol
(Used
with SEGA
MUTE)
H
:
Contmled by Mechanism contml
L
: Controled by
Pack
28
All
0
29
A14
0
30
All
0
J]
A12
0
Address
line
for
e~tcmal
memory
access
32
All
0
3J
AID
0
34
A9
0
3l
A8
0
J6
AD
7
1
,0
J7
AD
6
1
,0
JR
AD
'
1,0
J9
AD4
110
40
AD
3
1
,0
Address data
li
ne
for
e
~temal
memory
access
41
AD
2
1
,0
42
AD
I
1
,0
"
AD
O
110
106
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