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IC DESCRIPTION
QQ
IC, LC877264V-5V51
3 7 63 1515 0
Pin No.
Pin Name
1
O-CDCLK
2
O-LEDSTB
3
O-DATA
4
O-CLK
5
OCDDATA
6
O-INI-SCAN
7
O-STB
8
I-DRF/I-STEREO
9
O-5VSCK
10
O-POWER
11
RES
12
I-JOG
13
I-VOL
14
VSS1
15
CF1
16
CF2
17
VDD1
18
I-HOLD
19
I-KEY1
20
I-KEY2
TE
L 13942296513
21
I-KEY3
22
I-SPEANA-L
23
I-SPEANA-M
24
I-SPEANA-H
25
I-MIC
26
I-CDSW
27
I-SW
28
I-TM-BASE
29
I-RMC
30 ~ 43
O-S1 ~ O-S14
44
I-VF/O-S15
45
I-KEYCON/O-S16
46
I-ECO-OFF/O-S17
47
I-AM9K/10K/O-S18
48
I-KARAOKE/O-S19
49
I-SW/O-S20
50
I-LW/O-S21
51
I-RDS/O-S22
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52
I-DEMO/O-S23
53
I-BU2099/O-S24
.
54
VDD2
http://www.xiaoyu163.com
I/O
Description
O
CD clock output.
O
Strobe output for shift register.
O
Main data output.
O
Main clock output.
O
CD data output.
O
Output for initial-scan.
O
Strobe output. (Not used)
I
CD DRF input/Tuner stereo input.
O
Dolby digital 5VSCK output.
O
System power supply.
I
System reset.
I
JOG rotary encoder input.
I
Volume rotary encoder input.
–
GND.
–
9.43MHz oscillator circuit.
–
Power supply.
I
Power failure detected input.
I
A/D key1 input.
I
A/D key2 input.
I
A/D key3 input.
I
A/D input for spectrum analyser level display (Low frequency).
I
A/D input for spectrum analyser level display (Middle frequency).
I
A/D input for spectrum analyser level display (High frequency).
I
MIC detected input.
I
CD mecha switch input.
I
A/D window position switch input.
I
Base input for clock.
I
System remote control input.
O
LCD segment S1 ~ S14 output.
I/O
Input non-complying with vocal fader (not used)/LCD segment S15 output.
I/O
Input complying with KEYCON (not used)/LCD segment S16 output.
I/O
Input complying with ECO-OFF (not used)/LCD segment S17 output.
I/O
Input complying with AM10K/LCD segment S18 output.
I/O
Input complying with KARAOKE (not used)/LCD segment S19 output.
I/O
Input complying with SW (not used)/LCD segment S20 output.
I/O
Input complying with LW (not used)/LCD segment S21 output.
I/O
Input complying with RDS (not used)/LCD segment S22 output.
I/O
Input complying with DEMO function (not used)/LCD segmentS23 output.
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ao
u163
y
I/O
Input complying with BU2099 (not used)/LCD segment S24 output.
i
–
Power supply.
http://www.xiaoyu163.com
2 9
8
Q Q
3
6 7
1 3
1 5
co
.
– 35 –
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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