參數(shù)資料
型號(hào): STV0299B
廠商: 意法半導(dǎo)體
英文描述: QPSK/BPSK LINK IC
中文描述: 調(diào)制/ BPSK調(diào)制連接IC
文件頁(yè)數(shù): 25/36頁(yè)
文件大小: 242K
代理商: STV0299B
STV0299B
5
REGISTER LIST
(continued)
25/36
VERROR REGISTER (Read Only)
(refer to Section 4.6.2
on page 15
)
VERROR
26
RO
[7:0]
Error Rate
(Not Signed)
FEC MODE REGISTER
(refer to Section 4.6.1
on page 15
)
FECM
28
01
[7:4]
FEC Mode
This field indicates the FEC Operation mode and the FEC feeding.
0000: DVB (QPSK), FEC feeding IQ/IQ/IQ/IQ
0001: DVB (BPSK extension), FEC feeding IX/IX/IX/IX
001X: Reserved
0100: DSS, FEC feeding IQ/IQ/IQ/IQ
1XXX: Reserved
[3:2]
These bits must be programmed to zero.
1
Output Type
1: Serial
0: Parallel
0
Output Impedance
1: High Impedance
0: Normal Impedance
VITERBI THRESHOLD REGISTERS
(refer to Section 4.6.2
on page 15
)
VTH0
29
1E
[7:0]
Rate = 1/2 Threshold.
VTH1
2A
14
[7:0]
Rate = 2/3 Threshold.
VTH2
2B
0F
[7:0]
Rate = 3/4 Threshold.
VTH3
2C
09
[7:0]
Rate = 5/6 Threshold.
VTH4
2D
05
[7:0]
Rate = 7/8 or 6/7 Threshold.
PUNCTURE RATE AND SYNCHRO REGISTER
(refer to Section 4.6.2
on page 15
)
PR
31
1F
[7:6:5]
These bits must be programmed to zero.
4
Enable punctured rates 7/8 (in DVB) or 6/7 (in DSS).
3
Enable punctured rate 5/6.
2
Enable punctured rate 3/4.
1
Enable punctured rate 2/3.
0
Enable basic or punctured rate 1/2.
Name
HEX
Address
Reset
Value
Bit
Position
Signal Description
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