Technics SH-CH900

SH-CH900
IC801 (M38174M8128F)
Pin
No.
5~
9
10-
13
19-
21
23-
25
26
27
28
29
30,
31
33,
34
36-
43
44-
56
57-
59
60-
72
73
74
75
77
78
79,
Terminal
Name
CENTER
ROR
ROL
SORQ,
SOCK
SOAK,
SO, SIRQ
SICK (CLK)
SI (DATA),
SIAK,
SRDY
SEND
B. DATA
IN
B. DATA
OUT
B. CLK
OUT
L3, L2, LI
RESET
XC IN
XIN
XOUT
Vss
J0G2
J0G1
G9
GB/KS7~
G1/KS0
S13-S1
-VP
ST
DO
CL2
CL1
1 / 0
1/0
1/0
Function
Center contrei signal Input
Rear control signal input
Record signal control input (R cti)
Record signal control input (L ch)
Display control signal input-output
terminal
Display control signal, data signal
and clock signal
input-output terminal
Display control signal output
Data bass signal input terminal
Clock bass signal input terminal
Data bass signal output terminal
Clock bass signal output terminal
Key scan signal input terminal
System reset signai output
JOG mode display control signal
output
Backup detctro signal input
Reset signal input terminal
Pull-up voltage
input terminal
Not used
Crystal oscillator (X801 4 MHz)
connect terminal
GND terminal
JOG Encoder signai input terminal
FL Grid control signal output
FL Grid control signal and key scan
control signal output
FL Segment control signal output
FL Grid control signal output
FL Segment control signal output
Power supply (+5 V)
FL Pull-up voltage input
GND terminal
A/D Converter reference voltage
input terminal
Strobe signal
output terminal
Data signal output terminal
Clock signal output terminal
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IC802(LC6514B4752)
Pin
No.
Terminal
Name
i/ 0 Function
1, 46 PB2, SICK 1
Clock signal input terminal
2, 3
PCO, PCI 1/0 Connected to GND
4, 5
PC2/GT8
PC3/G19
-
Not used
6, 7
NC
PDÜ/S14
1/0 Not used
8-
10
PD1/S40-
PD3/S38
0
FL Segment control signal output
terminal
11
PE0/G12 0 FL Grid control signal output terminal
12-
14
PE1/G13-
PE3/G15
0 FL Grid control signal output terminal
15
RSf
1 Reset terminal
16
TST 1
Not used
17
Vss
1
GND terminal
18,
19
NC Not used
20,
21
0SC1
0SC2
i
0
Crystal oscillator (X802 3 MHz)
connect terminal
22-
25
PF0/S37~
PF3/S34
0
FL Segment control signal output
terminal
26-
29
PG0/S33-
PG3/S30
0 FL Grid control signal output terminal
30 NC
-
Not used
31-
34
PH0/S29-
PH3/S26
0
FL Segment control signal output
terminal
35,
36
P10/G16
P11/G17
0 FL Grid control signal output terminal
37 VP 1
FL Pull-down voltage input
38
HOLD
1
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39 VDD
i
Power supply (-t-5 V)
40,
41
PAO
PA1
-
Connected to GND
42,
43
NC Not used
44,
45
PA2
PA3
-
Connected to GND
47 SEND 1
Display control signal input
48 Si
i
Serial data input terminal
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