XV-DV232
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7.2 PARTS
7.2.1 IC
PDC124B (W51 DVDMAIN ASSY : IC5501)
• System Control Microcomputer
Pin Functions
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
• List of IC
PDC124B, BD7995EFS, MT1389FE/C2-L, TAS5122DCA, AK5357ET, TAS5508APAG, PT6315, BU1924FS,
S-93C46BD01-J8T1
No.
Mark
Pin Name
I/O
Pin Function
1
PA3/WR#
DVDPOWER
O
Control power supply for DVD module
2
PA4/RD#
HPDET
I
Detect to insert headphone
3
PA5/RS
HPSEL
O
TAS5508 HP_SEL
4
P70 / INT0 / T0LCP / AN8
ACDET
I
Powerdown Detection
5
P71 / INT1 / T0HCP / AN9
P_ON
I
REMOCON 2 ( Power On )
6
P72 / INT2 / T0IN
RDSCLK
I(O)
Clock input from RDS decoder (Interruption 2, without RDS : Low output)
7
P73 / INT3 / T0IN
REMOCON
I
REMOCON signal input (Interruption 3)
8
RES#
XRESET
I
µ
-com reset input
9
XT1 / AN10
XT1
−
Subclock (connect to VDD when no use)
10
XT2 / AN11
XT2
−
Subclock (leave open when no use, and set the bit 6 of OCR SFR)
11
VSS1
VSS1
−
12
CF1
CF1
−
Main Clock (connect to VDD when no use)
13
CF2
CF2
−
Main Clock (leave open when no use)
14
VDD1
VDD1
−
15
P80 / AN0
SIMUKE
I
Destination distinction input
16
P81 / AN1
MODEL
I
Model distinction input
17
P82 / AN2
VDET
I
DVD3.3V detection input
Ground
Power supply
−
−
Ground
Power supply
18
P83 / AN3
I
19
P84 / AN4
KEY2
I(O)
Key2 input
20
P85 / AN5
I(O)
21
P86 / AN6
PCONFIG
I
Power Configuration
22
P87 / AN7
XPROTECT
I
Protection and Fan Error detection input
23
P10/SO0
SDATA
O
System bus data output (AMP side output)
24
P11 / SI0 / SB0
MDATA
I
System bus data input (AMP side input)
SCLK
I
System bus clock input
O
DASDA
I(O)
I2C data for D-AMP
DASCL
O
I2C clock for D-AMP
O
XREADY
O
XREADY for DVD module
XHPMUTE
O
HP MUTE ON/OFF
XRECMUTE
O
REC OUTPUT MUTE ON/OFF
(UTEST_CHK)
O
UNITCHECK IN for checker
SELPOW
O
Data Selector
35
PE4
(UTEST_EEPOK)
O
EEPROM CHECK OK for checker
36
PE5
(UTEST_MODE)
O
CHECK MODE of UNITECHECK for checker
37
PE6
O
38
PE7
O
39
VSS4
VSS4
40
VDD4
VDD4
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