Alpine IVA-D310R, Service Manual

Page: 102 / 174

IVA-D310R/IVA-D310RB
Description of IC Terminal
D784216AGC :
IC1004
No. Symbol I/O Terminal Description
1 IF-MUTE O IF MUTE control terminal. (H:IF MUTE ON)
2
3
4 RDS-CONT O
RDS data input prevention control terminal of adjoining station.
(H:RDS OFF)
5
I
8
9 VDD - Power supply terminal.
10 X2
11 X1
12 VSS - GND terminal.
13 XT2(NC) - No connect terminal.
14 XT1(GND) - GND terminal.
15 RESET I System reset input terminal.
16 BATT-DET I BATT compulsion stand-by signal input terminal from Power supply IC.
17 STANDBY I Stand-by signal input terminal from Main µ-COM.
18 NC - No connect terminal.
19 IS BUS FIN I IS BUS frame signal input terminal.
20 IS BUS REQ I IS BUS communication control input terminal.
21
22
23 AVDD - Analog power supply terminal of A/D converter.
24 AVREF I Standard voltage input terminal of A/D converter.
25 S-METER I Signal-Meter input terminal.
26 MULTIPATH I Multipath input terminal of RDS Decoder.
27 ADJCH-DET I Adjoining station detection input terminal.
28 SSTOP I FM station detection signal input terminal.
29 AMST/MP I AM station detection signal input terminal.
30 AFC I FM station detection signal input terminal.
31
32
33 AVSS - GND terminal of A/D converter.
34
35
36 AVREF1 I Standard voltage input terminal of D/A converter.
37 IS BUS RX I IS BUS receiving terminal.
38 IS BUS TX O IS BUS transmitting terminal.
39 IS BUS FOUT O IS BUS frame signal output terminal.
40 MONITOR RXD I Command input terminal for RDS monitor (P/C).
41 MONITOR TXD O Status output terminal for RDS monitor (P/C).
42
I
47
48 T-MUTE O MUTE signal output terminal to Main µ-COM.
49
50
51 MARKET1
52 MARKET2
No connect terminal.
NC - No connect terminal.
NC - No connect terminal.
- No connect terminal. NC
- Crystal OSC connect terminal for main system clock OSC. (12.288MHz)
NC - No connect terminal.
I Area set up terminal.
NC(GND) - GND terminal.
NC - No connect terminal.
NC -
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