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SAA6588 (IC191) : RDS detector
1.Terminal Layout
MRO
1
20
LVIN
MPTH
2
19
CIN
TCON
3
18
SCOUT
OSCO
4
17
Vref
OSCI
5
16
MPX
VSSD
6
15
VSSA
VDDD
7
14
VDDA
DAVN
8
13
AFW
SDA
9
12
MAD
SCL
10
11
PSWN
3.Block Diagram
SCOUT
57 kHz
16
MPX
8th ORDER
BAND-PASS
13
AFIN
PAUSE
DETECTOR
LVIN
20
POWER
VDDA
14
SUPPLY
AND RESET
15
VSSA
2.Pin Function
Pin
Symbol
No.
1
MRO
2
MPTH
3
TCON
4
OSCO
5
OSCI
6
VSSD
7
VDDD
8
DAVN
9
SDA
10
SCL
11
PSWN
12
MAD
13
AFW
14
VDDA
15
VSSA
16
MPX
17
Vref
18
SCOUT
19
CIN
20
LVIN
CIN
19
18
CLOCK
COMPARATOR
MULTI-PATH
DETECTOR
TEST
CONTROL
1
17
3
Vref
TCON
I/O
O
Multi-path rectifier output
-
Multi-path detector output
I
Test control input pin
O
Oscillator output
I
Oscillator input
-
Digital ground (0V)
-
Digital power supply (5V)
O
Data available output (active LOW)
I/O
IC-bus serial data I/O
I
IC-bus serial clock input
-
Pause switch output (active LOW)
-
Slave addrese (LSB) input
-
Audio signal input
-
Analog power supply (5V)
-
Connect to ground
I
Multiplex input signal
O
Reference voltage output
O
Band-pass filter output
O
Comparator output
I
Level input
RDS/RDBS
DEMODULATOR
SIGNAL QUALITY
DETECTOR
OSCILLATOR
AND CLOCK
TRANSCEIVER
4
5
MRO
OSCI
OSCO
RX-8010RBK/ RX-8012RSL
Function
VDDD
7
DAVN
8
RDS/RDBS
DECODER
PSWN
11
2
MPTH
INTERFACE
REGISTER
9
SDA
IC-BUS SLAVE
10
SCL
12
6
VSSD
MAD
1-23
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