STV0299B datasheet(25/36 Pages) STMICROELECTRONICS

25 / 36 page

STV0299B

5REGISTER LIST (continued)

25/36

VERROR REGISTER (Read Only) (refer to

Section 4.6.2 on page 15)

VERROR

[7:0]

Error Rate (Not Signed)

FEC MODE REGISTER (refer to

Section 4.6.1 on page 15)

FECM

[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.

Output Type

1: Serial

0: Parallel

Output Impedance

1: High Impedance

0: Normal Impedance

VITERBI THRESHOLD REGISTERS (refer to

Section 4.6.2 on page 15)

VTH0

[7:0]

Rate = 1/2 Threshold.

VTH1

[7:0]

Rate = 2/3 Threshold.

VTH2

[7:0]

Rate = 3/4 Threshold.

VTH3

[7:0]

Rate = 5/6 Threshold.

VTH4

[7:0]

Rate = 7/8 or 6/7 Threshold.

PUNCTURE RATE AND SYNCHRO REGISTER (refer to

Section 4.6.2 on page 15)

[7:6:5]

These bits must be programmed to zero.

Enable punctured rates 7/8 (in DVB) or 6/7 (in DSS).

Enable punctured rate 5/6.

Enable punctured rate 3/4.

Enable punctured rate 2/3.

Enable basic or punctured rate 1/2.

Name

HEX

Address

Reset

Value

Bit

Position

Signal Description

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