Sharp R-9320 Service Manual page 41

R-9320
R-9450
R-932
DESCRIPTION OF LSI
The l/O signals of the LSI (IX2321YA) are detailed in the following tables.
vss
Dll
D10
D9
08
D7
D6
05
D4
D3
D2
Dl
DO
FO
Fl
vss
F2
F3
uo
Ul
u2
u3
GO
Gl
G2
G3
RESET
00
01
Q2
03
vss
64
I
63
62
c .
61
r
60
I .
59
LSI
I-1
IX2321YA
58
,
57
1 .
56
3
55
I
54
,
53
,
52
I
1
51
1 ,
50
49
XIN
XOUT
s7
s6
s5
s4
s3
s2
Sl
so
CN Vss
INT
VP
VDD
NC
vss
AVss
K7
K6
K5
K4
K3
K2
41 Kl
40 KO
VREF
NC
P3
P2
Pl
PO
T
Figure 9. Relationship between pin Nos. and Signals (LSI : lX2321YA)
39