JVC UX-M5R - RDS Decoder IC Details; BU1923 F (IC602): RDS Decoder Pin Function

UX-M5R
1-35
1. Terminal layout 2. Block diagram
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
-
+
8th Switched
capacitor filter
PLL
57kHz
RDS/ARI
PLL
1187.5Hz
Bi-phase
decoder
Differential
decoder
Measurement
circuit
Reference
clock
100k
100k
120k
anti-aliasing
filter
comparator
Analog
power supply
Digital
power supply
BU1923F (IC602) : RDS decoder
MUX
V
REF
VDD1
VSS1
VDD2
VSS2
Xl
XO
T1 T2
RDATA
QUAL
RCLK
CMPVSS3
3. Pin function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
QUAL
RDATA
VREF
MUX
VDD1
VSS1
VSS3
CMP
T1
T2
VSS2
VDD2
XI
XO
NC
RCLK
O
O
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Demodulator quality good: HI
Demodulator data
1/2 VDD1 see application
Composite see application
Analog power supply
Analog power supply
Analog power supply
See application
H: Internal clock stop L: operation
Testing (do not use)
Digital power supply
Digital power supply
4.332MHz see application
4.332MHz see application
No connection
1187.5Hz
Pin No. Symbol I/O Function
4
3
5
6
12
11
13 14 10 9
16
2
1
87