90
HCD-M90
• DVD BOARD IC103 MB91307APFV-G-BND-E1 (DVD SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
1 to 5 HA17 to HA21 O
Address signal output
6HA22 —
Not used
7WPO
Write control signal output to the EEPROM
8 TRM/XKRCS —
Not used
9AVCC —
Power supply terminal (+3.3V) (for A/D converter)
10 AVRH —
Reference voltage input (+3.3V) terminal (for A/D converter)
11 AVSS —
Ground terminal (for A/D converter)
12 AN0 I
Mode 0 set input terminal
13 AN1 I
Mode 1 set input terminal
14 AN2 I
Mode 2 set input terminal
15 AN3 I
Mode 3 set input terminal
16 INT0 I
Interrupt request signal input from the AV decoder
17 INT1 I
Interrupt request signal input from the ARP
18 INT2 I
Interrupt request signal input from the servo DSP
19 INT3 I
Interrupt request signal input terminal Not used
20 INT4 I
Interrupt request signal input from the system controller
21 to 23 INT5 to INT7 I
Interrupt request signal input terminal Not used
24 VCC —
Power supply terminal (+3.3V)
25 SI0 I
Serial data input from the system controller
26 SO0 O
Serial data output to the system controller
27 SC0 O
Serial clock signal output to the system controller
28 SI1 I
Serial data input from the audio DSP
29 SO1 O
Serial data output to the audio DSP
30 SC1 O
Serial clock signal output to the audio DSP
31 SI2 I
Serial data input terminal (for test)
32 SO2 O
Serial data output terminal (for test)
33 DSENS —
Not used
34 VSS —
Ground terminal
35 XRST O
System reset signal output “L”: reset
36 XARPRST O
Reset signal output to the ARP “L”: reset
37
RGBSEL/MICMUTE
—
Not used
38 SDA I/O
Two-way data bus with EEPROM
39 SCL O
Serial clock signal output to the EEPROM
40 TRM+/XKRRST —
Not used
41
EUROV/Y/CLAPSW1
—
Not used
42
DISCEXT/CLPSW0
—
Not used
43 MD0 I
Mode select 0 signal input terminal
44 MD1 I
Mode select 1 signal input terminal
45 MD2 I
Mode select 2 signal input terminal
46 DREQ0 I
Request 0 signal input from the AV decoder
47 DACK0 O Acknowledge 0 signal output to the AV decoder
48 XDRVMUTE O
Drive mute signal output to the motor/coil drive
49 DREQ1 I
Request 1 signal input from the AV decoder
50 DACK1 O
Acknowledge 1 signal output to the AV decoder
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.
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1
6
3
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m
Q
Q
3
7
6
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1
5
1
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9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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