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IC DESCRIPTION
IC, LC866548V-5M36
Pin No.
Pin Name
1
O-MACMD
____________
2
I-SCMD
3
O-ARDY
4
O-SREQ
5
I-MREQ
6
O-SURROUND
7
O-SRST
8
O-VOLCTL
9
P36
10
O-COIN
_____________
11
O-CKSFT
________
12
RST
13
I-DRF
14
I-SQOUT
15
VSS1
16
CF1
17
CF2
18
VDD1
____________
19
I-HOLD
20, 21
I-KEY1, I-KEY2
22
AN3
23
AN4
24
I-CDDSW
25
I-SPE
26
P87
27
I-WRQ
28
P72
29
I-RMC
30-45
T0-T15
46
VDD3
47-49
PC0-PC2
50
PC3
51
VP
52
PC4
53-55
PC5-PC7
56
I-AMST
57
I-AM10K
58
I-LW
59
I-SW
I/O
O
Command output to slave microprocessor.
I
Command input from slave microprocessor.
Serial data send/receive preparation completion output for MD UNIT control. (TAPE
O
REC MUTE output).
Serial data transfer request for MD UNIT control. (FWD/RWD switching output
O
during TAPE PLAY/REC).
I
Serial data transfer request for MD UNIT control. (REC/PB switching output).
O
QSURROUND ON/OFF output.
O
Reset signal output to slave microprocessor.
O
Connected to VOL/P.EQ IC M62439SP pin-! CONT.
O
NC.
O
Connected to CD DSP LC78622E pin-56 COIN and CD ASP LA9240M pin-52 DAT.
O
Clock shift output. "L" at clock shift.
I
Microprocessor reset.
I
Connected to CD ASP LA9240M pin-54 DRF.
I
Connected to CD DSP LC78622E pin-55 SQOUT.
—
GND.
I
5.76 MHz. Connected to oscillator.
O
—
Microprocessor power supply. (µ-com 5V).
I
Hold state detection. (A/D).
I
KEY AD data input.
I
DECA MECA state detection input. (AD).
I
TAPE MUSIC SENSOR input. (A/D).
I
CD DOOR OPEN/CLOSE state detection input. (AD).
I
Spare level detection. (A/D).
I
NC.
I
Connected to CD DSP LC78622E pin-53 WRQ.
I
NC.
I
Remote control signal input.
—
NC.
—
Microprocessor power supply. (µ-com 5V).
I
DECK MECA state detection input.
I
Rotation detection of TAKE UP REEL of DECK MECA.
—
Connected to negative polarity power supply -VFL for FL.
I
Rotation detection of TAKE UP REEL of DECK MECA.
I
NC.
I
I
INITIAL DIODE MATRIX input.
I
I
66
Description
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