TDA8961 Philips Semiconductors, TDA8961 Datasheet - Page 6

• Manufacturer Part Number: TDA8961
• Description: ATSC/NTSC digital TV front-end chipset
• Manufacturer: Philips Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
2000 May 19
handbook, full pagewidth
ATSC Digital Terrestrial TV
demodulator/decoder
EQLOCKINDIC
LOCKINDIC
PDISYNC
RST_AN
PDIERR
PDICLK
PDIVAL
XTALO
CLK36
XTALI
TRST
PDI0
TMS
TDO
TCK
SDA
SCL
TDI
A0
A1
FSYNC
20
23
19
22
21
78
79
77
13
14
15
16
69
70
75
26
30
32
28
27
34
SSYNC
CONTROLLER
GENERATION
TDA8961
35
BOUNDARY
SCAN TEST
INTERFACE
FSHNDSHK
CONTROL
I
CLOCK
2
C-BUS
67
Fig.3 Block diagram.
PDOSYNC
DIGITAL FRONT-END:
*
*
*
*
*
*
*
NTSC CO-CHANNEL INTERFACE FILTER
SAMPLE RATE CONVERTER
FINE AGC
CARRIER RECOVERY
HALF NYQUIST FILTERING
SYNC RECOVERY AND PILOT REMOVAL
SYMBOL TIMING RECOVERY
ADAPTIVE EQUALIZATION
39
ADIN9 TO ADIN0
PDOVAL
REED SOLOMON DECODER
6
40
OUTPUT FORMATTER
TRELLIS DECODER
DE-INTERLEAVER
DE-RANDOMIZER
10, 9, 8, 7, 6,
5, 4, 3, 2, 1
PDO7 TO PDO0
43, 44, 45,
47, 48, 49,
51, 52
PDOERR
ADCLK
37
80
PDOCLK
41
66
MGU087
AGCOUT
Objective specification
TDA8961