XV-EV1000
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7.2 PARTS
7.2.1 IC
PDC127A (IFAF ASSY : IC5501)
• System Control Microcomputer
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
• List of IC
PDC127A
No.
Pin Name
I/O
Pin Function
1
DVDON/OFF
O
Control power supply for DVD module
2
HPDET
I
Detect to insert headphone
Mic Detection
3
MICDET
I
4
ACPULSE
I
AC PULSE input detection (Interruption 0)
Mute control for center speaker (Standby)
5
(XMUTEC)
O
6
RDSCLK
I
Clock input from RDS decoder (Interruption 2, without RDS : Low output)
7
REMOCON
I
REMOCON signal input (Interruption 3)
8
XRESET
I
µ
-com reset input
9
XT1
−
Subclock (connect to VDD when no use)
10
XT2
−
Subclock (leave open when no use, and set the bit 6 of OCR SFR)
11
VSS1
−
12
CF1
−
Main Clock (connect to VDD when no use)
13
CF2
−
−
−
Main Clock (leave open when no use)
14
VDD1
−
15
SIMUKE
I
Destination distinction input
16
MODEL
I
Model distinction input
17
VDET
I
DVD3.3V detection input
18
KEY1
I
Key1 input
Key2 input
Key3 input
Level meter signal input
19
KEY2
I
20
KEY3
I
21
LEVELIN
I
22
XPROTECT
I
Protection and Fan Error detection input
23
DSPDI
O
Data output to DSP (MOTOROLA) and DIR
24
DSPDO
I
Data input from DSP (MOTOROLA)
25
DSPCLK
O
Clock output to DSP (MOTOROLA) and DIR
26
NC
O
27
LCDDAT
O
Data for FL(LCD) driver
28
LCDCLK
O
Clock for FL(LCD) driver
29
DTS_ON/OFF
O
Control for DTS
30
XREADY
O
Chip select for system bus (to DVD module)
31
XHPMUTE
O
HP MUTE ON/OFF
REC OUTPUT MUTE ON/OFF
32
XRECMUTE
O
33
B_MUSIC
O
Control for LED of BASS MUSIC
34
RYR
O
REAR RELAY ON/OFF
35
RYFSC
O
FRONT/SW/CENTER RELAY ON/OFF
Control for LED of BASS MOVIE
36
B_MOVIE
O
37
TIMERLED
O
Control TIMER LED
Control for VOCALC
38
VOCALC
O
39
VSS4
40
VDD4
Pin Functions
