45
CX-LDB30/LDB50
• IC Pin Function Description
MAIN BOARD IC901 M30622MEP-A26FPU0 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
O-LCDATA
O
LCD DATA
2
O-LCDSCK
O
Data output to the fluorescent indicator tube
3
O-VOLUMELED
O
LED (i-Bass/DEMO) control signal output
4
I-RMC
I
Remote control signal input from the remote sensor
5
O-MP3DATA
O
MP3 DATA OUT
6
I-MP3DATA
I
MP3 DATA IN
7
O-MP3CLK
O
Clock output to the CD unit
8
BYTE
I
Destination setting input terminal
9
CNVSS
I
Flash data signal input terminal
10
32KHz-IN
I
Oscillation circuit signal input for the real time clock
11
32KHz-OUT
I
Oscillation circuit signal output for the real time clock
12
I-RESET
—
Reset signal input
13
16MHz-OUT
—
Oscillation circuit signal output for the system main clock
14
VSS
—
Ground terminal
15
16MHz-IN
I
Oscillation circuit signal input for the system main clock
16
VCC
—
Power supply terminal (+3.3 V)
17
NMI
—
HIGH always
18
I-RDSCLK
I
Clock signal input from the tuner
19
I-SCOR
I
Sub code sync signal input from the CD unit
20
AC-CUT
I
Power down detection signal input
21
NC
—
Not used
22
O-PLLCE
O
Latch signal output to the tuner
23
O-PLLDAT
O
Data output to the tuner
24
NC
—
Not used
25
I-PLLDAT/I-STEREO
I
Pll data or stereo tuner detection signal input terminal
26
I-TUNE
I
Tuner tuned status signal input from the tuner
27
O-PLLCLK
O
Clock output to the tuner
28
O-BKLIGHT
O
LED (BACK LIGHT) control signal output
29
O-SCL
O
12C clock signal output
30
O-SDA
O
12C data signal output
31
TXD
—
Flash link data output terminal
32
I-MP3ACK
I
Acknowledge signal input from the MP3 IC
33
I-MP3REQ
I
Request signal input from the MP3 IC
34
RTS
O
Flash RTS signal output terminal
35
O-DATA
O
Data output to the CD unit
36
O-XLT
O
Control data latch signal output to the CD unit
37
O-CLOCK
O
Clock output to the CD unit
38
O-POWER
O
Main power control signal output
39
I-PROTECT
I
Voltage detection signal input
40
O-LCDRESET
O
Clock signal output to the fluorescent indicator tube
41
I-HEADPHONE
I
Headphone signal input terminal
42
O-FRONTRELAY
O
Front relay on/off detection signal output
43
O-PB2
O
Playback selection signal output for the tape deck
44
O-BIAS
O
Bias control signal output to the tape deck
45
O-MP3RST
O
Reset signal output to the MP3 IC
46
O-LCDCD
O
Latch signal output to the fluorescent indicator tube
47
I-MICS
O
Clock output to the MP3 IC
48
O-MILP
O
Latch pulse signal output to the MP3 IC
49
O-MP3STBY
O
Strobe signal output to the MP3 IC
Содержание CX-LDB30
Страница 65: ...65 MEMO CX LDB30 LDB50 ...
