參數(shù)資料
型號: 935242210551
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP160
封裝: PLASTIC, SOT-322, QFP-160
文件頁數(shù): 144/147頁
文件大小: 526K
代理商: 935242210551
1998 Apr 09
96
Philips Semiconductors
Product specication
Multimedia bridge, high performance
Scaler and PCI circuit (SPCI)
SAA7146A
Table 87 HPS output and formats
Table 88 Output formats
OFFSET
(HEX)
NAME
BIT
TYPE
DESCRIPTION
78
matrix
31 and 30
RW
YUV to RGB conversion, gamma compensation
00: no YUV to RGB conversion
10: YUV to RGB conversion
linear
01: reserved
11: YUV to RGB conversion
with compensation of
gamma-pre-correction
29 and 28
reserved
outformat
27 to 24
RW
output format, depends on matrix programming; see Table 88
23 and 22
RW
chroma line select for INDEO-9
21 and 20
RW
chroma pixel select for INDEO-9
SHIFT
17
RW
0: normal mode, all bytes stay MSB aligned
1: shift mode, ‘shift right’ of all bytes, fill MSB position with logic 0,
this mode has meaning only for output formats defined in bytes,
undefined result in non-byte modes
DITHER
16
RW
dither: applies only to formats with reduced bit resolution, (#) that
derived from higher bit resolution formats:
1: dither is applied by ‘linear’ one-dimensional error diffusion
0: dither algorithm is not applied, just truncation
CODE (HEX)
OUTPUT FORMAT
0
YUV4:2:2, (16 =8
8), composed
RGB16 (5:6: 5), composed, #
1
YUV4:4:4, composed, ‘packed’
RGB24, composed, ‘packed’
2
reserved
αRGB32 (8 : 8 : 8 : 8), composed
3
YUV4:1:1, composed
αRGB15 (1 : 5 : 5 : 5), composed, #
4
YUV2
RG
αB15 (5 : 5 : 1 : 5), composed, #
5
reserved
6
Y8, monochrome
reserved
7
YUV8 (4:2: 2), pseudo CLUT, #
RGB8 (3:3: 2), pseudo CLUT, #
8
YUV4:4:4, de-composed
reserved
9
YUV4:2:2, de-composed
reserved
A
YUV4:2:0 (22:1:1) MPEG, de-composed.
reserved
B
YUV9 (42:1:1) INDEO-9, de-composed.
reserved
C
reserved
D
Y1
reserved
E
Y2
reserved
F
YUV1
reserved
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