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5
7.2 PARTS
7.2.1 IC
- Pin Functions(PE5449A)
Pin No.
Pin Name
1
MODEL1
2,3
NC
4
AVSS
5,6
NC
7
AVREF1
KYDT
8
9
DPDT
10
NC
11
TUNPDI
12
TUNPDO
13
TUNPCK
14
PCL
TESTIN
15
16
XSI
17
XSO
18
XSCK
19,20
NC
swvdd
21
22
ILMPW
23
NC
24
XRST
25
XA0
26
XSTB
27
CLAMSW
CONT
28
29
LOEJ
30
CLCONT
31
NC
32
DALMON
33
VSS1
34
BRST
BRXEN
35
36
BRSQ
37
ROMDATA
38
ROMCLK
39
ROMCS
40
RECIEVE
41
VDCONT
NC
42
43
SYSPW
44,45
NC
46
KEY2
47
NC
MUTE
48
49
ANTPW
50
NC
51
VST
52
VDT
53
VCK
54
NC
TUNPCE2
55
56
TUNPCE1
57
RDT
58
RDSLK
59
RDS57K
reset
60
61
LDET
5
6
I/O
Function and Operation
Model port 1
Not used
A/D GND
Not used
A/D converter reference voltage
Key data input
I
O
Display data output
Not used
I
PLL IC data input
O
PLL IC data output
O
PLL IC clock output
O
Clock adjustment output
Test program mode input
I
I
Serial data input
Serial data output
O
O
Serial data clock output
Not used
O
Keyboard unit power supply control output
O
Illumination power supply control output
Not used
O
CD LSI reset output
CD LSI identification control signal output
O
O
CD LSI strobe output
Not used
O
Servo driver power supply control output
O
CD load motor LOAD/EJECT direction exchange output
Driver input select output
O
Not used
O
Stand-by output
GND
Not used
Not used
Not used
ROM collection data output (Not used)
O
O
ROM collection clock output (Not used)
O
ROM collection chip select output (Not used)
During RDS data reception
O
VD control output
Not used
O
System power supply control output
Not used
Not used
Not used
O
System mute output
O
B. REMOTE output
Not used
O
Strobe pulse output for electronic volume
Data output for electronic volume
O
O
Clock output for electronic volume
Not used
O
EEPROM chip enable output 2
O
EEPROM chip enable output 1
RDS demodulation data input (Not used)
I
I
RDS LK signal input (Not used)
RDS 57kHz pulse count input (Not used)
I
I
Reset input
Not used
DEH-1750/XN/GS
6
7
7
8
A
B
C
D
E
F
49
8
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