CDA-9831R
Description of IC Terminal
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
IF MUTE(NC)
6
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 VDD 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
I
22
23
AVDD
-
Analog power supply terminal of A/D converter.
24
AVREF0
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 detect input terminal.
28
SSTOP
I
FM station detect signal input terminal.
29
AMST/MP
I
SEEK STOP detect input terminal at AM. (H:Station ON)
30
AFC
I
FM station detect 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). (Pull-up connect)
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
NC(GND)
-
GND terminal.
NC
-
No connect terminal.
-
Crystal OSC connect terminal for main system clock OSC. (12.288MHz)
NC
-
No connect terminal.
NC
-
No connect terminal.
-
No connect terminal.
NC
NC
-
No connect terminal.
NC
-
No connect terminal.
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