CXD1961AQ 데이터 시트보기 (PDF) - Sony Semiconductor

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CXD1961AQ

DVB-S Frontend IC (QPSK demodulation + FEC)

Sony Semiconductor 

2-3. Clock Recovery

Function

Clock error output

(for clock recovery by VCXO)

Recovered symbol clock output

(switchable to sampling clock output)

3. Carrier Recovery

Function

Carrier lock flag (H: lock)

4. AGC

Function

AGC control data (PWM output)

See reference circuit (4)

Pin No. Pin name

70 to 73 CR0 to 3

76 to 79 CR4 to 7

69

CKV

Pin No. Pin name

82

QSYNC

Pin No. Pin name

68 AGCPWM

5. Viterbi Decoder

Function

Viterbi clock output

Viterbi decoded data output

Pin No.

65

64

Pin name

VCK

VDT

These pins can be fixed to ground by setting CPU I/F register 0E (hex).

6. Frame Synchronization

Function

Frame synchronization flag (H: sync)

Pin No. Pin name

83

FSYNC

CXD1961AQ

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