Harman Kardon HK 3490 - Page 49

1997 Feb 24 4
Philips Semiconductors Product specification
Radio Data System (RDS) demodulator SAA6579
PINNING
SYMBOL PIN DESCRIPTION
QUAL 1 quality indication output
RDDA 2 RDS data output
V
ref
3 reference voltage output (0.5V
DDA
)
MUX 4 multiplex signal input
V
DDA
5 +5 V supply voltage for analog part
V
SSA
6 ground for analog part (0 V)
CIN 7 subcarrier input to comparator
SCOUT 8 subcarrier output of reconstruction filter
MODE 9 oscillator mode/test control input
TEST 10 test enable input
V
SSD
11 ground for digital part (0 V)
V
DDD
12 +5 V supply voltage for digital part
OSCI 13 oscillator input
OSCO 14 oscillator output
T57 15 57 kHz clock signal output
RDCL 16 RDS clock output
handbook, halfpage
SAA6579
MGD684
1
2
3
4
5
6
7
8
QUAL
RDDA
V
ref
MUX
V
DDA
V
SSA
CIN
SCOUT
RDCL
T57
OSCO
OSCI
V
DDD
V
SSD
TEST
MODE
16
15
14
13
12
11
10
9
Fig.2 Pin configuration. Fig.3 Pin configuration.
handbook, halfpage
MGD685
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
QUAL
RDDA
V
ref
MUX
V
DDA
V
SSA
CIN
SCOUT
RDCL
T57
OSCO
OSCI
V
DDD
V
SSD
TEST
MODE
SAA6579T
harman/kardon
HK 3490/230 Service Manual
Page 49 of 70