L64780 LSI Logic Corporation, L64780 Datasheet - Page 64

• Manufacturer Part Number: L64780
• Description: Dvb-t Cofdm Demodulator Technical Manual 2/00
• Manufacturer: LSI Logic Corporation

4.3.2 Address Line 0x03
4-12
GUARD
RES
LP_CODE_RATE
Register Descriptions
0x03
7
RES
Guard Interval
When this register is read, the Guard Interval provides
the last value received by the channel, using the TPS sig-
nalling information.
When this register is written, Guard [1:0] stores the next
Guard value that the system uses. The values are:
The initial condition for the Guard Interval is 0b00 (1/32).
Reserved
These bits are reserved.
Viterbi Low-Priority Code Rate
When this register is read, these bits provide the last
value received by the channel, using the TPS signalling
information.
GUARD[1:0]
6
00
01
10
11
5
LP_CODE_RATE
Definition
1/32 Guard Interval
1/16 Guard Interval
1/8 Guard Interval
1/4 Guard Interval
3
2
HP_CODE_RATE
R/W [1:0]
R/W [5:3]
[7:6]
0