Pioneer XV-DV740 Service Manual page 110

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1
7.2 IC
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
• List of IC
A
PDC114B
PDC114B (CONTROL ASSY : IC5501)
• System Control Microcomputer
Pin Functions
No.
Mark
1
PA3/WR#
2
PA4/RD#
3
PA5/RS
B
4
P70 / INT0 / T0LCP / AN8
5
P71 / INT1 / T0HCP / AN9
6
P72 / INT2 / T0IN
7
P73 / INT3 / T0IN
8
RES#
9
XT1 / AN10
10
XT2 / AN11
11
VSS1
12
CF1
13
CF2
C
14
VDD1
15
P80 / AN0
16
P81 / AN1
17
P82 / AN2
18
P83 / AN3
19
P84 / AN4
20
P85 / AN5
21
P86 / AN6
22
P87 / AN7
23
P10/SO0
D
24
P11 / SI0 / SB0
25
P12 / SCK0
26
P13 / SO1
27
P14 / SI1 / SB1
28
P15 / SCK1
29
P16/T1PWML
30
P17/T1PWMH/BUZ
31
PE0
32
PE1
33
PE2
E
34
PE3
35
PE4
36
PE5
37
PE6
38
PE7
39
VSS4
40
VDD4
F
110
1
2
Pin Name
I/O
DVDON/OFF
O
Control power supply for DVD module
HPDET
I
Detect to insert headphone
NC
O
ACPULSE
I
AC PULSE input (Interruption)
NC
O
RDSCLK
I
Clock input from RDS decoder (Interruption 2, without RDS : Low output)
REMOCON
I
REMOCON signal input (Interruption 3)
µ-com reset input
XRESET
I
XT1
Subclock (connect to VDD when no use)
XT2
Subclock (leave open when no use, and set the bit 6 of OCR SFR)
VSS1
Main Clock (connect to VDD when no use)
CF1
Main Clock (leave open when no use)
CF2
VDD1
SIMUKE
I
Destination distinction input
MODEL
I
model distinction input
VDET
I
DVD 3.3V detection input
KEY1
I
Key1 input
NC
NC
O
NC
NC
O
NC
O
XPROTECT
I
Protection and Fan Error detection input
SDATA
O
System bus data output (AMP side output)
MDATA
I
System bus data input (AMP side input)
SCLK
I
System bus clock input
SR+Tx
O
UART Tx of SR+ function
SR+Rx
I
UART Rx of SR+ function
NC
O
SYSCS2
O
Chip select 2 for system bus (to DVD module)
SYSCS1
O
Chip select 1 for system bus (to DVD module)
XHPMUTE
O
HP MUTE ON/OFF
XRECMUTE
O
REC OUTPUT MUTE ON/OFF
XMUTEC
O
Cch MUTE ON/OFF
RYR
O
REAR RELAY ON/OFF
RYFSC
O
FRONT/SW/CENTER RELAY ON/OFF
3/5 v convert control for SR+ function
(3/5CONVERT)
O
TIMERLED
O
Control TIMER LED
LEVELSHIFT
O
VOL 0 to 5 : H
VSS4
VDD4
XV-DV740
2
3
Function
3
4
4

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