參數(shù)資料
型號: MT312
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 消費家電
英文描述: Satellite Channel Decoder
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP80
封裝: MQFP-80
文件頁數(shù): 49/90頁
文件大?。?/td> 318K
代理商: MT312
Forward Error Correction
MT312
49
B2:
High = Viterbi BER monitor period reached
B1:
High = De-scrambler lock lost
B0:
High = De-scrambler lock
Reading an Interrupt register resets that register.
7.2.2 FEC Status. Register 6 (R)
B7:
Reserved
B6-4:
Viterbi coding rate
B3:
High = De-scrambler lock
B2:
High = Byte Align lock
B1:
High = Viterbi lock
B0:
Reserved
7.2.3 Measured Signal to Noise Ratio. Registers 9 - 10 (R)
B15:
Reserved
NAME
ADR
B7
B6
B5
B4
B3
B2
B1
B0
Def
hex
FEC STATUS
06
FEC STATUS[7:0]
R
00
B6-4
Code rate indication
0
1/2
1
2/3
2
3/4
3
5/6
4
6/7
5
7/8
Table 3 - Viterbi code rate indication
NAME
ADR
B7
B6
B5
B4
B3
B2
B1
B0
Def
hex
M SN R H
09
Reserved
M SNR[14:8] Measured SNR (high byte)
R
00
M SNR L
10
M SNR[7:0] Measured SNR (low byte)
R
00
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