18
CDX-MP40
• IC801 MN101C49KSJ (SYSTEM CONTROL) (MAIN BOARD)
Pin No.
Pin Name
I/O
Pin Description
1
VREF–
—
Power supply pin for A/D converter
2
VSM
I
S-meter voltage detection signal input from the tuner unit (TU601)
3
NIL
I
Not used. (Connected to ground.)
4
KEYIN1
I
Key signal input
5
KEYIN0
I
Key signal input
6
RC_IN0
I
Rotary commander key signal input from the remote-in jack
7
QUALITY
I
Noise detection signal input (AEP, UK model)/Connected to ground. (US, Canadian model)
8
DST SEL
I
Destination setting pin (US, Canadian model)
9
NIL
I
Not used. (Connected to ground.)
10
VREF+
—
Power supply pin for A/D converter
11
VDD
—
Power supply pin
12
OSCOUT
O
High speed clock output (18.43 MHz)
13
OSCIN
I
High speed clock input (18.43 MHz)
14
VSS
—
Ground pin
15
XIN
I
Low speed clock input (32.768 kHz)
16
XOUT
O
Low speed clock output (32.768 kHz)
17
MMOD
—
Memory mode selection input “L”: single chip mode (connected to ground)
18
LCDSO
O
Serial data output to the LCD driver
19
LCDCE
O
Chip enable signal output to the LCD driver
20
LCDCKO
O
Serial clock output to the LCD driver
21 – 23
NCO
O
Not used. (Open)
24
SYSRST
O
System reset signal output
25
BUSON
O
Bus on signal output to the bus interface
26
KEYACK
I
Key acknowledge detection signal input
27
DAVN (NIL)
I
RDS data block sync detection signal input (AEP, UK model)/Connected to
ground. (US, Canadian model)
28
BU_IN
I
Back up power supply detection signal input
29
SIRCS
I
Remote control signal input from the remote control receiver
30
TUATT IN
I
ATT control signal input from tuner unit.
31
NIL
I
Not used. (Connected to ground.)
32
NIH
I
Not used. (Connected to power supply.)
33
RESET
I
Microcomputer reset signal input from the reset IC
34
NOSE SW
I
Front panel with/without detection signal input “L”: panel with
35
BEEP
O
Beep signal output to the power amplifier
36
NCO
O
Not used. (Open)
37
TESTIN
I
Test mode detection signal input
38
ACCIN
I
Accessory power supply detection signal input
39
NCO
O
Not used. (Open)
40
TELATT
I
TEL ATT detection signal input
41
NIH
I
Fixed at “H”.
42
BUSSO
O
Sony_Bus serial data output to the bus interface IC
43
BUSSI
I
Sony_Bus serial data input from the bus interface IC
44
BUSCKO
O
Sony_Bus serial clock output to the bus interface IC
45
I2CSIO
I/O
I2C bus serial data input/output
46
NCO
O
Not used. (Open)
47
I2CCKO
O
I2C bus serial clock output
48
NCO
O
Not used. (Open)
49
NCO
O
Not used. (Open)
50
POW_ON
O
System power supply control signal output
51 – 66
NCO
O
Not used. (Open)
67
ATT
O
System ATT control signal output
68
NCO
O
Not used. (Open)
Summary of Contents for CDX-MP40 Installation/Connection
Page 6: ...6 CDX MP40 Connections US Canadian Model ...
Page 7: ...7 7 CDX MP40 Connections AEP UK Model ...
Page 8: ...8 8 CDX MP40 ...
Page 65: ...13 CDX MP40 MEMO ...
