TDA8980 データシートの表示（PDF） - Philips Electronics

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TDA8980

ATSC Digital Terrestrial TV demodulator/decoder

Philips Electronics 

Philips Semiconductors

ATSC Digital Terrestrial TV

demodulator/decoder

BLOCK DIAGRAM

Objective specification

TDA8961

handbook, full pagewidth

TMS 20

TDO 23

TDI 19

TRST 22

TCK 21

LOCKINDIC 78

EQLOCKINDIC 79

RST_AN 77

BOUNDARY

SCAN TEST

CONTROLLER

CONTROL

ADIN9 TO ADIN0

ADCLK

10, 9, 8, 7, 6,

80

5, 4, 3, 2, 1

DIGITAL FRONT-END:

* SAMPLE RATE CONVERTER

* FINE AGC

* CARRIER RECOVERY

66

* HALF NYQUIST FILTERING

* SYNC RECOVERY AND PILOT REMOVAL

* SYMBOL TIMING RECOVERY

* ADAPTIVE EQUALIZATION

AGCOUT

NTSC CO-CHANNEL INTERFACE FILTER

A0 13

A1 14

SCL 15

SDA 16

I2C-BUS

INTERFACE

TRELLIS DECODER

DE-INTERLEAVER

XTALI 69

XTALO

70

CLOCK

GENERATION

CLK36 75

REED SOLOMON DECODER

DE-RANDOMIZER

PDISYNC

PDICLK

PDIERR

PDIVAL

PDI0

26

30

32

28

27

34

TDA8961

35 67

OUTPUT FORMATTER

39 40

43, 44, 45,

47, 48, 49,

51, 52

37

41 MGU087

FSYNC FSHNDSHK PDOSYNC

PDO7 TO PDO0

PDOCLK

SSYNC

PDOVAL

PDOERR

2000 May 19

Fig.3 Block diagram.

6

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