1
30
31
50
51
80
81
100
CXP82840-321Q Terminal Function
SEMICONDUCTORS
IC’s
CXP82840-321Q (IC900)
1
G2/A1
O
FL G02
2
G1/A0
O
FL G01
3
NC(Vdd)
I
NC(Connect to Vdd)
4
POWER DOWN
I
AC OFF Detect
5
ENC VOLUME UP
I
Encoder VOLUME UP
6
RDS CLOCK
I
RDS clock input(TDA7330)
7
ENC VOLUME DOWN
I
Encoder VOLUME DOWN
8
REMOCON
I
Remote signal input.
9
PROTECTION
I
Protection detecting input.
10
SUB ZONE2 LED
O
Not used.
11
SUB ZONE1 LED
O
Not used.
12
62446 LATCH
O
Electronic volume control.(M62446 LATCH)
13
FUNCTION SW 1 CE
O
Function IC control.(TC9273 ST)
14
FUNCTION 1/2 DATA
O
Function IC control.(TC9273 DATA)
15
FUNCTION 1/2 CLOCK
O
Function IC control.(TC9273 CLOCK)
16
VOLUME,PLL,4094,DATA
O
LC72131,M62446,TC4094(DATA)
17
VOLUME,PLL,4094,CLOCK
O
LC72131,M62446,TC4094(CLOCK)
18
TUNED
I
TUNED signal in.
19
STEREO
I
STEREO signal in.
20
IF COUNT
I
PLL data in.(LC72131)
21
TUNER MUTE
O
Tuner mute output.
22
PLL CE
O
LC72131(CE)
23
4094 STB
O
TC4094(STB)
24
VOLUME STB
O
Not used.
25
SUB 1 MUTE
O
Not used.
26
MAIN MUTE
O
MAIN,Subwoofer mute output.
27
POWER RELAY
O
Power supply relaycontrol.
28
AV REF.
I
Reference voltage input for A/D converter.
29
1511 DATA
O
Not used.
30
RDS DATA
I
RDS data input(TDA7330)
31
KEY IN 1
I
Key input 1
32
KEY IN 2
I
Key input 2
33
KEY IN 3
I
Key input 3
34
STEP OPTION
I
Area select.
35
SET OPTION
I
Model select.
36
SPEAKER A LED 1
O
SPEAKER A LED indicator control
37
A VSS
I
A/D converter GND.
38
RESET
I
Low-level active,system reset.
39
EXTAL
I
EXTAL(10MHz)
40
XTAL
O
XTAL(10MHz)
41
VSS
I
GND
42
NC(TX)
O
Not used.
43
G(TEX)
I
GND
44
VDD
I
Vcc SUPPLY.
45
VFDP
I
FDP voltage supply.
Pin
No.
Pin Name
Function
I/O
Pin
No.
Pin Name
Function
I/O
46
SPEAKER B LED 2
O
SPEAKER B LED indicator control
47
STBY LED 3
O
STANDBY LED indicator control
48
PD2/A53
O
FL P38
49
PD3/A52
O
FL P37
50
PD4/A51
O
FL P36
51
PD5/A50
O
FL P01
52
PD6/A49
O
FL P02
53
PD7/A48
O
FL P03
54
PF0/A47
O
FL P04
55
PF1/A46
O
FL P05
56
PF2/A45
O
FL P06
57
PF3/A44
O
FL P07
58
PF4/A43
O
FL P08
59
PF5/A42
O
FL P09
60
PF6/A41
O
FL P10
61
PF7/A40
O
FL P11
62
PG0/A39
O
FL P12
63
PG1/A38
O
FL P13
64
PG2/A37
O
FL P14
65
PG3/A36
O
FL P15
66
PG4/A35
O
FL P16
67
PG5/A34
O
FL P17
68
PG6/A33
O
FL P18
69
PG7/A32
O
FL P19
70
PH0/A31
O
FL P20
71
PH1/A30
O
FL P21
72
PH2/A29
O
FL P22
73
PH3/A28
O
FL P23
74
PH4/A27
O
FL P24
75
PH5/A26
O
FL P25
76
PH6/A25
O
FL P26
77
PH7/A24
O
FL P27
78
A23
O
FL P28
79
A22
O
FL P29
80
A21
O
FL P30
81
A20
O
FL P31
82
A19
O
FL P32
83
A18
O
FL P33
84
A17
O
FL P34
85
A16
O
FL P35
86
G16
O
FL G16
87
G15
O
FL G15
88
G14
O
FL G14
89
Vdd
I
Vcc SUPPLY.
90
G13
O
FL G13
91
G12
O
FL G12
92
G11
O
FL G11
93
G10
O
FL G10
94
G9
O
FL G09
95
G8
O
FL G08
96
G7
O
FL G07
97
G6
O
FL G06
98
G5
O
FL G05
99
G4
O
FL G04
100
G3
O
FL G03
8
DRA-295
42
1̲CXP82840.p65
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