Table of Contents
Advertisement
QQ
3 7 63 1515 0
• IC Pin Descriptions
IC401 µPD78F1164GF(S)-301-GAS-AX (SYSTEM CONTROL) (MAIN BOARD (3/3))
Pin No.
Pin Name
1 to 9
10
I-AC-CUT
11, 12
13
O-3CD-M1+
14
O-3CD-M1–
15
O-3CD-M2+
16
O-3CD-M2–
17
I-3CD-SW3
18
I-3CD-SW1
19
I-3CD-CHACK
20
21
I-3CD-SW2
22
I-3CD-CLOSE
23
I-3CD-STOCK
24
I-3CD-OPEN
25
26
27
O-TU-CLK
28
O-TU-DO
29
O-TU-CE
30
TE
L 13942296513
31
32
O-AMP-ON
33
O-REC-MUTE
34
O-REC-CONTROL-A
35
O-REC-CONTROL-B
36
O-VOL-DATA
37
O-VOL-CLK
38
O-BASSBOOST-ON
39
I-DVD-KRMOD
40
O-MTK-MICREQ
41
O-MTK-IFBSY
42
O-MTK-MTRST
43
I-DVD-XIFCS
44
O-MTK-DATA
45
I-MTK-DATA
46
I-MTK-CLK
47
AVREF1
48, 49
50
AVREF0
51
52
I-POWER-MONITOR
53
I-MODEL
www
54
I-SUFFIX
55 to 57
.
58
I-TP-STATE
59 to 64
65
http://www.xiaoyu163.com
I/O
NC
—
Not used
I
AC off detection signal input
NC
—
Not used
O
MTK M1 motor control signal output
O
MTK M1 motor control signal output
O
MTK M2 motor control signal output
O
MTK M2 motor control signal output
I
Disc tray status detection signal input from MTK
I
Disc tray status detection signal input from MTK
I
Disc tray chack detection signal input from MTK
EVSS1
—
Ground
I
Disc tray status detection signal input from MTK
I
Disc tray close detection signal input from MTK
I
Disc stock detection signal input from MTK
I
Disc tray open detection signal input from MTK
O-FAN
O
Fan control signal output
I-TU-DI
I
Tuner serial data input
O
Tuner serial clock signal output
O
Tuner serial data output
O
Tuner chip enable signal output
EVDD1
—
Power supply (+3.3V)
I-SD
I
Tuner tuned data input
O
Speaker relay control signal output
O
Recording muting control signal output
O
Recording select signal output
O
Recording select signal output
O
Serial data output to input selection and volume control IC
O
Serial clock output to input selection and volume control IC
O
Bass Boost on/off signal output
I
Karaoke mode detection signal input from MTK
O
Microphone status signal output
O
RS232 TXD signal output to MTK
O
Master system reset signal output
I
XIFCS signal input from MTK
O
Serial data signal output to MTK
I
Serial data signal input from MTK
I
Serial clock signal input from MTK
—
A/D Converter reference voltage input (+3.3 V)
NC
—
Not used
I
A/D Converter reference voltage input (+3.3 V)
AVSS
—
Ground
I
Power supply monitor signal input
I
Model setting input
I
Suffix setting input
x
ao
y
NC
—
Not used
i
I
Tape status signal input
NC
—
Not used
I-KEY3
I
Key signal input (A/D input)
http://www.xiaoyu163.com
8
Pin Description
Not used.
Q Q
3
6 7
1 3
u163
.
HCD-GNZ333D/GNZ444D
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
63
Hide quick links:
Advertisement
Table of Contents
