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TERMINAL DESCRIPTION
SUB MICROPROCESSOR
Pin No. Symbol
I/O Description
1
VDD
Power supply terminal. Connect to 5V.
2
VSS
Ground terminal.
3
X1
Ceramic oscillator connection terminals for main system.
4
X2
Connect the 5MHz ceramic oscillator between #3 and #4.
5
IC/VPP
Internal connection terminal
6
~RESET
I
System reset signal input terminal.
7
SUBCL/SCK
I
Clock input terminal to transmit the signal from main microprocessor.
8
SUBDO/SDI
I
Data input terminal to transmit the signal from main microprocessor.
9
SUBDI/SDD
O
Data output terminal to transmit the signal to main microprocessor.
10
SUBLDY
O
Data ready output terminal to transmit to the main microprocessor.
11
VBJ
I
Pulse input terminal from the rotary encoder of volume.
12
VAJ
I
Pulse input terminal from the rotary encoder of volume.
13
SYSIN
I
System code input terminal.
System code output terminal.
14
SYSOUT
I
Detection terminal of headphone insertion.
15
HPDET
I
16
~IRIN
I
Signal input terminal from the remote controller.
17
STBYLED
O
Standby LED control output terminal.
18
AVSS
Ground terminal for A/D converter.
19
K0
I
Operation key connection terminal.
20
K1
I
Operation key connection terminal.
21
K2
I
Operation key connection terminal.
22
K3
I
Operation key connection terminal.
23
VSS0
Ground terminal
24
AVDD
Power supply terminal for A/D converter.
25
VDDD
Power supply terminal. Apply +5V.
ZONE2LED
26
O
ZONE 2 indicator control output terminal.
PURELED
PURE AUDIO indicator control output terminal.
27
O
28
P35
O
Segment output terminal of P35.
29
P34
O
Segment output terminal of P34.
30
P33
O
Segment output terminal of P33.
31
P32
O
Segment output terminal of P32.
32
P31
O
Segment output terminal of P31.
33
P30
O
Segment output terminal of P30.
34
P29
O
Segment output terminal of P29.
35
P28
O
Segment output terminal of P28.
36
P27
O
Segment output terminal of P27.
37
P26
O
Segment output terminal of P26.
38
P25
O
Segment output terminal of P25.
39
P24
O
Segment output terminal of P24.
40
P23
O
Segment output terminal of P23.
Pin No. Symbol
I/O Description
41
P22
O
42
P21
O
43
P20
O
44
P19
O
45
P18
O
46
P17
O
47
P16
O
48
P15
O
49
P14
O
50
P13
O
51
P12
O
52
P11
O
53
P10
O
54
P9
O
55
P8
O
56
P7
O
57
P6
O
58
P5
O
59
VDD2
60
VLOAD
61
P4
O
62
P3
O
63
P2
O
64
P1
O
65
16G
O
66
15G
O
67
14G
O
68
13G
O
69
12G
O
70
11G
O
71
10G
O
72
9G
O
73
8G
O
74
7G
O
75
6G
O
76
5G
O
77
4G
O
78
3G
O
79
2G
O
Page 52
80
1G
O
Segment output terminal of P22.
Segment output terminal of P21.
Segment output terminal of P20.
Segment output terminal of P19.
Segment output terminal of P18.
Segment output terminal of P17.
Segment output terminal of P16.
Segment output terminal of P15.
Segment output terminal of P14.
Segment output terminal of P13.
Segment output terminal of P12.
Segment output terminal of P11.
Segment output terminal of P10.
Segment output terminal of P9.
Segment output terminal of P8.
Segment output terminal of P7.
Segment output terminal of P6.
Segment output terminal of P5.
Power supply terminal. Apply +5V.
Negative power supply terminal of FL controller.
Segment output terminal of P4.
Segment output terminal of P3.
Segment output terminal of P2.
Segment output terminal of P1.
Grid output terminal of 16G.
Grid output terminal of 15G.
Grid output terminal of 14G.
Grid output terminal of 13G.
Grid output terminal of 12G.
Grid output terminal of 11G.
Grid output terminal of 10G.
Grid output terminal of 9G.
Grid output terminal of 8G.
Grid output terminal of 7G.
Grid output terminal of 6G.
Grid output terminal of 5G.
Grid output terminal of 4G.
Grid output terminal of 3G.
Grid output terminal of 2G.
Grid output terminal of 1G.
TX-SR700/E
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