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84
HCD-M333
6-27. IC PIN FUNCTION DESCRIPTION
• IC101 M30622MGN-B16FP SYSTEM CONTROL (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
42
43
44
45
46
47
48
49
50
I/O
O
I
O
I
O
O
O
—
—
I
O
I
O
—
I
—
I
I
I
I
O
O
O
O
I
O
O
O
I/O
I/O
O
I
O
O
O
O
O
O
O
O
I
Pin Name
LCD ON
ST-RDS-DATA
LCD-RST
SIRCS-IN-WAKE
LCD-DATA
LCD-CS
LCD-CLK
BYTE
CNVSS
XCIN
XCOUT
RESET
XOUT
VSS
XIN
VCC
NMI
ST-RDS-CLK
CD-SCOR
AC-CUT
ST-MUTE
ST-CE
ST-DATA-OUT
CD-PWM3
ST-DATA-IN
CD-PWM2
ST-CLK
CD-PWM1
IIC-CLK
IIC-DATA
TXD1
CD-SQSO
TC-BIAS
TC-PB-REC
LED-STANDBY
AD RESETSM-INT
NSP-MUTE
SM-CS
SM DRVRST
AD CS
HP-DET
Description
LCD display power supply control signal output
RDS data input (AEP, UK)
LCD reset signal output
SIRCS signal input
LCD data output
LCD chip select signal output
LCD clock output
External data bus width selection signal input (connected to the ground)
Processor mode selection signal input (fixed at “L”)
Sub clock input
Sub clock output
System reset signal input
Main system clock output
Ground terminal
Main system clock input(16MHz)
Power supply (+3.3V)
Not used (fixed at “H”)
RDS clock input (AEP, UK)
CD Q-data request signal input
AC cut detection signal input (“L” : AC cut, “H” : normal)
Tuner muting signal output
Tuner chip enable signal output
Tuner data output
PWM3 signal output
Tuner data input
PWM2 signal output
Tuner clock output
PWM1 signal output
IIC communication clock input/output
IIC communication data input/output
Not used (open)
SQSO signal input
Clock output for serial data reading
STEREO signal input from the tuner
Serial data latch signal output
Clock output for serial data transfer
TC line muting signal output (“H” : muting on, “L” : muting off)
TC recording muting signal output (“L” : muting on, “H” : muting off)
BIAS on/off control signal output (“L” : bias on, “H” : bias off)
TC record/playback control signal output (“L” : playback, “H” : record)
STANDBY LED control signal output
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Headphone detection signal input
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4
2
9
8
0
5
1
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1
3
6
7
3
Q
Q
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TEL 13942296513 QQ 376315150 892498299