TDA7513T Datasheet, PDF (42/59 Pages) STMicroelectronics – SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR

TDA7513T
SUBADDRESS 17: Quality ISS Filter
MSB
D7 D6 D5 D4 D3 D2
0
1
0
0
0
0
0
1
0
1
0
1
0
0
1
1
1
0
0
0
1
1
0
1
1
LSB FUNCTION FUNCTION FUNCTION FUNCTION
D1 D0
ISS automatic control fron AC detector
0 ON (AC drives ISSTC)
1 OFF (AC has no influence on ISSTC)
ISS manual control
0
automatic control only
1
manual force filter ON
manual force BW 120KHz
manual force BW 80KHz
ISS time constant
current:
discharge chrg mid chrg narrow
1µA
74µA
124µA
3µA
72µA
122µA
5µA
70µA
120µA
9µA
66µA
116µA
15µA
60µA
110µA
ISS filter center frequency
shift from 450kHz
-20KHz
-10KHz
0KHz
10KHz
SUBADDRESS 18: PLL rest, 456KHz VCO adjust start, ISS MP Gain and SD out mode
MSB
LSB
FUNCTION
D7 D6 D5 D4 D3 D2 D1 D0
PLL TEST MODE
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
Automatic 456KHz VCO adjustment
0
Waiting
1
START
ISS Multipath filter gain
0
0
ISS MP Gain 2dB
0
1
ISS MP Gain 13dB
1
0
ISS MP Gain 16dB
SD pin configuration
0
0
ISS (IFC and FM SM Stop)
0
1
IF Counter out
1
0
FM Smeter Stop
1
1
Logic 1
42/59