TDA7512FTR Ver la hoja de datos (PDF) - STMicroelectronics

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TDA7512FTR

FM car-radio tuner IC with intelligent selectivity system (ISS)

STMicroelectronics 

Software specification

Table 22. Addr 14 VCODIV/PLLREF (continued)

MSB

LSB

d7 d6 d5 d4 d3 d2 d1 d0

Function

-

-

-

-

-

1

0 VCO frequency divided by 3

-

-

-

-

-

1

1 original VCO frequency

-

-

-

-

-

0

-

- VCO” I” signal 0 °C

-

-

-

-

-

1

-

- VCO “I” signal 180 °C

-

-

1

0

0

-

-

- PLL reference frequency 50 kHz

-

-

1

0

1

-

-

- PLL reference frequency 25 kHz

-

-

1

1

0

-

-

- PLL reference frequency 10 kHz

-

-

1

1

1

-

-

- PLL reference frequency 9 kHz

-

-

0

0

0

-

-

- PLL reference frequency 2 kHz

0

0

-

-

-

-

-

- has to be set

TDA7512F

Table 23. Addr 15 FM AGC

MSB

d7 d6 d5 d4 d3 d2

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

0

0

-

-

-

-

0

1

-

-

-

-

1

0

-

-

-

-

1

1

-

0

0

0

-

-

-

0

0

1

-

-

-

0

1

0

-

-

-

0

1

1

-

-

-

1

0

0

-

-

-

1

0

1

-

-

-

1

1

0

-

-

-

1

1

1

-

-

0

-

-

-

-

-

LSB

d1 d0

Function

0

0 RFAGC threshold V7-9TH= 85 (77 ANT) dBµV

0

1 RFAGC threshold V7-9TH= 90 (82 ANT) dBµV

1

0 RFAGC threshold V7-9TH= 94 (86 ANT) dBµV

1

1 RFAGC threshold V7-9TH= 96 (88 ANT) dBµV

-

- IFAGC threshold V60TH= 86 (60 ANT) dBµV

-

- IFAGC threshold V60TH= 92 (66 ANT) dBµV

-

- IFAGC threshold V60TH= 96 (70 ANT) dBµV

-

- IFAGC threshold V60TH= 98 (72 ANT) dBµV

-

- KAGC threshold 80 dBµV

-

- KAGC threshold 82 dBµV

-

- KAGC threshold 84 dBµV

-

- KAGC threshold 86 dBµV

-

- KAGC threshold 88 dBµV

-

- KAGC threshold 90 dBµV

-

- KAGC threshold 92 dBµV

-

- Keying AGC “OFF”

-

- has to be “0”

34/45

Doc ID 12668 Rev 2

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