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Polaroid TLA-01901C Service Manual page 19

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External ADC @24.69MHz
Optional dual AGC
49.38111MHz oscillator or crystal is used for reference clock
100-pin TQFP package
Low power consumption
Sleep mode and auto recovery mode
3.3V/1.2V operation
8-VSB ATSC Receiver
Integrated de-interleaver RAM for VSB FEC
Symbol timing recovery range up to ± 200ppm
Carrier recovery range up to ± 250kHz
De-ghosting range up to –37usec to +47usec
Improvement of all delay echo cancellation
Full digital carrier/timing recovery and matched filtering
Phase tracking loop for compensating phase error
64/256QAM ITU-T J.83B Receiver
ITU-T J.83B compliant 64/256 QAM demodulator and FEC
Symbol timing recovery range up to ±200ppm
Carrier recovery range up to ±400kHz
De-ghosting range up to ±12usec
Improvement of all delay echo cancellation
Full digital carrier/timing recovery and matched filtering
Phase tracking loop for compensating phase error
Digital HD/SDTV
Digital set-top box
Digital TV PC card
PIN FUNCTION DESCRIPTION:
Pin
Pin Name
Type
GPIO_IN0
I/O
GPIO_IN1
I
VDD12IH
Power
VSSIPH
Power
Function
TUNER_SDA
GPIO
Internal Power (1.2V nominal)
Internal Ground
Pin
1
2
3, 9, 21,
31, 35,
45, 50,
63, 69,
86, 91, 93
4, 10, 22,
30, 34,
44, 49,
19

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