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IC DESCRIPTION
IC, LC876580W-5R45
Pin No.
Pin Name
1
M-CLK
2
M-DATA
3
M-STB
4
O-PLL-CE
5
SR-LCK
6
RYM-CS
7
O-POWER
8
O-MUTE
9
O-C-SHIFT
10
I-HP-MUTE
11
I-RESET
12
I-RTVR
13
I-JOG
14
VSS1
15
CF1
16
CF2
17
VDD1
18
HOLD
19 ~ 21
I-KEY1 ~ 3
22
I-CD-SW
23
I-DISH
24
I-SPEANA
25
I-MIC
26
I-RDS_SG
27
I-TM-BASE
I-RDS-CK/
28
I-WRQ
29
I-REM
30 ~ 42
G13 ~ G1
43 ~ 45
P38 ~ P36
46
VDD3
47
P35/SPEANA–A
48
P34/SPEANA–B
49
P33/SPEANA–C
50
P32/CSNDEMO
51
–VP
52
P31/TU3
53
P30/TU2
54
P29/TU1
55
P28/DSP
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I/O
O
Main IC control serial CLOCK output.
O
Main IC control serial DATA output.
O
Common serial strobe.
O
TUNER PLL IC control CHIP ENABLE output.
O
SHIFT REGISTER IC control LATCH CLOCK output.
O
RHYTHM IC chip select.
O
System power control output. H: POWER ON.
O
System mute control output. H: MUTE ON.
O
Microcomputer CLOCK SHIFT control output. L: SHIFT UP (initial H).
I
Headphone jack detection. L: MUTE.
I
Reset input.
I
Waveform input for VOL rotary encoder.
I
Waveform input for JOG rotary encoder.
–
Connected to GND.
I
Oscillator input for system clock (9.43MHz).
O
Oscillator output for system clock (9.43MHz).
–
Power supply.
I
System HOLD input (A/D level port).
I
Tact key matrix 1 ~ 3 input.
I
CD MECHA SW matrix input.
I
CD turntable photo sensor input.
I
Spectrum analyser level detection input.
I
MIC input level detection.
I
During TUNER FUNC, RDS Signal level input (Not Used).
I
Reference signal input for clock.
During TUNER FUNC, RDS serial clock input (Not Used)./
I
CD read write request.
I
Remote control signal input.
O
FL grid G13 ~ G1 output.
O
FL segment P38 ~ P36 output.
–
Power supply.
O
FL segment P35 output/Spectrum analyser BPF switching control A output.
O
FL segment P34 output/Spectrum analyser BPF switching control B output.
O
FL segment P33 output/Spectrum analyser BPF switching control C output.
FL segment P32 output/While initializing, DEMO MODE switching input. L: Normal DEMO.
O/I
H: CASINO DEMO.
–
Power supply for FL input.
O/I
FL segment P31 output/TUNER location switching 3 input.
O/I
FL segment P30 output/TUNER location switching 2 input.
O/I
FL segment P29 output/TUNER location switching 1 input.
O/I
FL segment P28 output/DSP setting switching input. H: Absent (Not used).
– 29 –
Description
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