Read Sony CX-LMN75 / XR-MN75 Service Manual online
47
CX-LMN75
8-16. IC PIN FUNCTION DESCRIPTION
• IC901
M3062CMEN-A08FPU0 (SYSTEM CONTROLLER) (MAIN BOARD)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
O
O
O
I
I/O
I
O
I
—
I
O
I
O
—
I
—
—
I
I
I
O
O
O
I
I
I
O
O
—
—
—
I
I
I
O
O
O
O
I
O
O
O
O
O
O
O
O
O
O
O
Pin Name
O-LCDAT
O-LCDSCK
O-BASS LED
I-RMC
O-MP3DAT
I-MP3DAT
O-MP3CLK
BYTE
FLASH
32KHz-IN
32KHz-OUT
RESET
16MHz-OUT
VSS1
16MHz-IN
VDD1
MNI
RDSCLK
I-RDS_CLK
AC-CUT
O-TUMUT
O-PLLCE
O-PLLDAT
I-STEREO
I-PLLDAT
I-TUNED
O-PLLCLK
O-BKLIGHT
O-SCL
O-SDA
I-USBSW
I-MIACK
I-MP3REQ
O-USBON
O-DATA
O-XLT
O-CLOK
O-POWER
I-PROTECT
O-LCDRS
O-BASS_0
O-BASS_1
O-PB2
O-BIAS
O-MP3RST
O-LCDCD
I-MICK
O-MILP
O-MP3STB
O-FUNC_CLK
Description
Not used (open)
Data output to the fluorescent indicator tube
LED (i-Bass/DEMO) control signal output
Remote control signal input from the remote sensor
Data input/output from/to the MP3 IC
Data input from the CD unit
Clock output to the CD unit
Destination setting input terminal
Not used
Oscillaion circuit signal input for the real time clock
Oscillaion circuit signal output for the real time clock
Reset signal input
Oscillaion circuit signal output for the system main clock
Ground terminal
Oscillaion circuit signal input for the system main clock
Power supply terminal (+3.3 V)
Not used
Clock signal input from the tuner
RDS signal input from the tuner
Power down detection signal input
Muting control signal output to the tuner
Latch signal output to the tuner
Data output to the tuner
Stereo detection signal input from the tuner
Data input from the tuner
Tuner tuned status signal input from the tuner
Clock output to the tuner
LED (BACK LIGHT) control signal output
Not used
Not used
Not used
Acknowledge signal input from the MP3 IC
Request signal input from the MP3 IC
Not used
Data output to the CD unit
Control data latch signal output to the CD unit
Clock output to the CD unit
Main power control signal output
Voltage detection signal input
Clock signal output to the fluorescent indicator tube
Level control signal output for i-Bass
Level control signal output for i-Bass
Playback selection signal output for the tape deck
Bias control signal output to the tape deck
Reset signal output to the MP3 IC
Latch signal output to the fluorescent indicator tube
Clock output to the MP3 IC
Latch pulse signal output to the MP3 IC
Strobe signal output to the MP3 IC
Clock output to the function IC (IC601)
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