XV-DV740
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7.2 IC
PDC114B (CONTROL ASSY : IC5501)
• System Control Microcomputer
Pin Functions
No.
Mark
Pin Name
I/O
Function
1
PA3/WR#
DVDON/OFF
O
Control power supply for DVD module
2
PA4/RD#
HPDET
I
Detect to insert headphone
3
PA5/RS
NC
O
4
P70 / INT0 / T0LCP / AN8
ACPULSE
I
AC PULSE input (Interruption)
5
P71 / INT1 / T0HCP / AN9
NC
O
6
P72 / INT2 / T0IN
RDSCLK
I
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
−
13
CF2
CF2
−
14
VDD1
VDD1
−
15
P80 / AN0
SIMUKE
I
Destination distinction input
Main Clock (leave open when no use)
Main Clock (connect to VDD when no use)
16
P81 / AN1
MODEL
I
model distinction input
17
P82 / AN2
VDET
I
DVD 3.3V detection input
18
P83 / AN3
KEY1
I
Key1 input
NC
NC
19
P84 / AN4
NC
O
O
20
P85 / AN5
NC
NC
O
21
P86 / AN6
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)
25
P12 / SCK0
SCLK
I
System bus clock input
26
P13 / SO1
SR+Tx
O
UART Tx of SR+ function
I
UART Rx of SR+ function
O
O
Chip select 2 for system bus (to DVD module)
O
Chip select 1 for system bus (to DVD module)
O
HP MUTE ON/OFF
O
REC OUTPUT MUTE ON/OFF
O
Cch MUTE ON/OFF
O
REAR RELAY ON/OFF
O
FRONT/SW/CENTER RELAY ON/OFF
O
37
PE6
TIMERLED
O
Control TIMER LED
3/5 v convert control for SR+ function
38
PE7
LEVELSHIFT
O
VOL 0 to 5 : H
39
VSS4
VSS4
40
VDD4
VDD4
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
• List of IC
PDC114B
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TEL 13942296513 QQ 376315150 892498299