參數(shù)資料
型號: TVP7001PZPRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝: PLASTIC, TQFP-100
文件頁數(shù): 19/35頁
文件大小: 504K
代理商: TVP7001PZPRG4
www.ti.com
SLES164 – FEBBRUARY 2006
Automatic Level Control Filter
Subaddress
28h
Default (00h)
7
6
5
4
3
2
1
0
Reserved
NSV[3:0]
NSH [2:0]
The horizontal ALC coefficient (NSH) specifies the number of the horizontal samples (N) used to calculate the average blank level per
horizontal line. Offset error correction is applied immediately based on the vertical (NSV) coefficient.
The vertical coefficient (NSV) specifies the amount of offset error correction (derived from NSH) that is applied to each line update.
NSV [3:0]: ALC vertical filter coefficient
NSV [3:0]
Description
0000 =
1 (default)
Maximum error correction applied per line update
0001 =
0010 =
1/4
0011 =
1/8
0100 =
1/16
0101 =
1/32
0110 =
1/64
0111 =
1/128
1000 =
56
1001 =
1/512
1010 =
1/1024
Minimum error correction applied per
line update
1011 =
1/1024
1100 =
1/1024
1101 =
1/1024
1110 =
1/1024
1111 =
1/1024
NSH [2:0]: ALC horizontal sample filter coefficient
NSH [2:0]
Description
000 =
1/2 (default)
Minimum number of pixels (2) used in horizontal filter
001 =
1/4
010 =
1/8
011 =
1/16
100 =
1/32
101 =
1/64
110 =
1/128
111 =
1/256
Maximum number of pixels (256) used in horizontal filter
26
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