JVC RX-E112RSL Service Manual page 17

SAA6588 (IC191) : RDS detector
1. Pin layout
MRO 1 20
NC
NC 2 19
CIN
GND 3 18
SCOUT
OSCO 4 17
Vref
OSCI 5 16
MPX
VSSD 6 15
VSSA
VDDD 7 14
VDDA
DAVN 8 13
NC
SDA 9 12
GND
SCL 10 11
NC
3. Block diagram
SCOUT
57 kHz
MPX 16
8th ORDER
BAND-PASS
13
AFIN
PAUSE
DETECTOR
LVIN
20
POWER
VDDA 14
SUPPLY
AND RESET
15
VSSA
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2. Pin function
Pin
Symbol
No.
1
MRO
2
NC
3
GND
4 OSCO
5
OSCI
6
VSSD
7
VDDD
8 DAVN
9
SDA
10
SCL
11
NC
12 GND
13
NC
14
VDDA
15
VSSA
16 MPX
17
Vref
18
SCOUT
19
CIN
20 NC
CIN
19
18
CLOCK
COMPARATOR
MULTI-PATH
DETECTOR
TEST
CONTROL
1
17
3
Vref
MRO
TCON
I/O Function
O Multi-path rectifier output
- Non connect
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
- Non connect
Connect to ground
-
- Non connect
- 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
VDDD
7
RDS/RDBS RDS/RDBS
DEMODULATOR DECODER
INTERFACE
SIGNAL QUALITY
REGISTER
DETECTOR
OSCILLATOR IC-BUS SLAVE
AND CLOCK TRANSCEIVER
4
5 6
OSCI OSCO VSSD
RX-E112RSL/RX-E111RSL
DAVN
8
PSWN
11
2
MPTH
9
SDA
10
SCL
12
MAD
1-17