MT312C ZARLINK [Zarlink Semiconductor Inc], MT312C Datasheet - Page 49
MT312C
Manufacturer Part Number
MT312C
Description
Satellite Channel Decoder
Manufacturer
ZARLINK [Zarlink Semiconductor Inc]
Datasheet
1.MT312C.pdf
(90 pages)
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B2:
B1:
B0:
Reading an Interrupt register resets that register.
7.2.2 FEC Status. Register 6 (R)
B7:
B6-4:
B3:
B2:
B1:
B0:
7.2.3 Measured Signal to Noise Ratio. Registers 9 - 10 (R)
B15:
FEC STATUS
M SN R H
M SNR L
NAME
NAME
High = Viterbi BER monitor period reached
High = De-scrambler lock lost
High = De-scrambler lock
Reserved
Viterbi coding rate
High = De-scrambler lock
High = Byte Align lock
High = Viterbi lock
Reserved
Reserved
ADR
ADR
06
09
10
Reserved
B7
B7
B6-4
Table 3 - Viterbi code rate indication
0
1
2
3
4
5
B6
B6
M SNR[7:0] Measured SNR (low byte)
M SNR[14:8] Measured SNR (high byte)
B5
B5
Code rate indication
FEC STATUS[7:0]
B4
B4
1/2
2/3
3/4
5/6
6/7
7/8
Forward Error Correction
B3
B3
B2
B2
B1
B1
B0
B0
R
R
R
MT312
hex
hex
Def
Def
00
00
00
49
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