Alpine CDA-9830R Service Manual page 33

Description of IC Terminal
D78F4216AGC :
IC001
No. Symbol
1 IF MUTE
2
NC
3
4 RDS-CONT
5 IF MUTE(NC)
6
I NC
8
9 VDD
10 X2
11 X1
12 VSS
13 XT2(NC)
14 XT1(GND)
15 RESET
16 BATT-DET
17 STANDBY
18 NC
19 IS BUS Fin
20
NC
I
22
23 AVDD
24 AVREF0
25 S-METER
26 MULTIPATH
27 ADJCH-DET
28 SSTOP
29 AMST/MP
30 AFC
31
NC(GND)
32
33 AVSS
34
NC
35
36 AVREF1
37 IS BUS RX
38 IS BUS TX
39 IS BUS Fout
40 MONITOR RXD
41 MONITOR TXD
42
NC
I
47
48 T-MUTE
49
NC
50
I/O
O IF MUTE control terminal. (H:IF MUTE ON)
- No connect terminal.
RDS data input prevention control terminal of adjoining station.
O
(H:RDS OFF)
- No connect terminal.
- Power supply terminal.
- Crystal OSC connect terminal for main system clock OSC. (12.288MHz)
- GND terminal.
- No connect terminal.
- GND terminal.
I System reset input terminal.
I BATT compulsion stand-by signal input terminal from VDD IC.
I Stand-by signal input terminal from Main µ-COM.
- No connect terminal.
I IS BUS frame signal input terminal.
- No connect terminal.
- Analog power supply terminal of A/D converter.
I Standard voltage input terminal of A/D converter.
I Signal-Meter input terminal.
I Multipath input terminal of RDS Decoder.
I Adjoining station detect input terminal.
I FM station detect signal input terminal.
I SEEK STOP detect input terminal at AM. (H:Station ON)
I FM station detect signal input terminal.
- GND terminal.
- GND terminal of A/D converter.
- No connect terminal.
I Standard voltage input terminal of D/A converter.
I IS BUS receiving terminal.
O IS BUS transmitting terminal.
O IS BUS frame signal output terminal.
I Command input terminal for RDS monitor (P/C). (Pull-up connect)
O Status output terminal for RDS monitor (P/C).
- No connect terminal.
O MUTE signal output terminal to Main µ-COM.
- No connect terminal.
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Terminal Description
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