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IC DESCRIPTION
IC, LC876580W-5P44
Pin No.
Pin Name
1
M-CLK
2
M-DATA
3
TU-ON
4
PLL-CE
5
SR-LCK
6
BIAS
7
O-POWER
8
O-MUTE
9
C-SHIFT
10
CD-ON
11
RESET
12
RTVR
13
JOG
14
GND
15
CF1
16
CF2
17
VDD
18
HOLD
19 ~ 21
KEY1 ~ 3
22
CD-SW
23
DISH
24
SPEANA
25
RMT
26
RDS_SG
27
TM-BASE
I-SENS/
28
RDS-CK
29
REM
30 ~ 42
G13 ~ G1
43 ~ 45
P38 ~ P36
46
VDD
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
Tuner supply control. L: ON.
O
TUNER PLL IC control CHIP ENABLE output.
O
SHIFT REGISTER IC control LATCH CLOCK output.
O
Recording bias control.
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
CD supply control.
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
Record ON/OFF control.
During TUNER FUNC, RDS Signal level input.
I
I
Reference signal input for clock.
During CD FUNC, CD DSP SENS input./
I
During TUNER FUNC, RDS serial clock input.
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
O/I
DEMO. H: CASINO DEMO (Not used).
–
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).
– 21 –
Description
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