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3-1. IC PIN DESCRIPTION

• IC801 µPD780076GK-520-9ET (SYSTEM CONTROLLER)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
BUS CK GEN
22
TE
L 13942296513
23
24
25
26
27
28
29
30
31
ROTARY (AD)
32
33
34
35
36
37
38
39
40
41
42
43
44
45
www
46
47
48
.
49
50
51
http://www.xiaoyu163.com
Pin Name
I/O
PH1
I
PH1 detection input (Not used in this set.)
D SW
I
Down switch detection input
IN SW/PH2
I
Disc in switch detection input
LM LD
O
Loading motor drive output (Loading)
LM EJ
O
Loading motor drive output (Eject)
ATT
O
Line out mute control output
A ATT
O
Power amplifier mute control output
PLL DI
I
PLL IC data input
VSSO
Ground pin
VDDO
Power supply pin (+5 V)
PLL CLK
O
PLL IC clock output
PLL DO
O
PLL IC data output
PLL CE
O
PLL IC chip enable output
BEEP
O
BEEP output of key beep, caution alarm
L V CE
O
Electric volume, LCD chip enable output
L V DO
O
Electric volume, LCD data output
L V CLK
O
Electric volume, LCD clock output
BUS SI
I
BUS interface serial input
BUS SO
O
BUS interface serial output
BUS CLK
I
BUS interface serial clock input
O
BUS interface serial clock output
AM ON
O
Tuner AM power supply control output
FM ON
O
Tuner FM power supply control output
VDD1
Power supply pin (+5 V)
AVSS
Ground pin
ST IND
I
FM stereo detection input
PH3
I
PH3 detection input (Not used in this set.)
S METER
I
S meter signal input
KEY0
I
A/D key input 0
KEY1
I
A/D key input 1
I
Not used in this set.
DST SEL
I
Destination select input (Connect to ground in this set.)
TEST
I
Force test mode input
AVREF
A/D converter power supply pin (+5 V)
LCD INH
O
INHIBIT control output of LCD
RESET
I
Reset input ("L": reset detection)
XT2
O
Sub clock output (32.768 kHz)
XT1
I
Sub clock input (32.768 kHz)
IC
Connect to ground in this set.
X2
O
Master clock output (8.38 MHz)
X1
I
Master clock input (8.38 MHz)
VSS1
Ground pin
KEY ACK
I
Key acknowledge detection input
SIRCS
I
Wireless remote control signal input
SELF SW
I
Self switch detection input
BU IN
I
Backup power supply detection input
x
ao
NOSE
I
Front panel attachment detection input
y
ILL ON
O
Illumination power supply control output
i
A REMO
O
External amplifier remote control output
CDM ON
O
CD mechanism deck power supply control output
XCD ON
O
CD DSP IC 16 MHz X'tal on/off control output
http://www.xiaoyu163.com
SECTION 3

DIAGRAMS

8
Q Q
3
6 7
1 3
u163
.
CDX-CA400/CA530X/CA580X
2 9
9 4
2 8
Pin Description
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
13

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Cdx--ca530xCdx-ca580x

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