參數(shù)資料
型號: SAA7146A
廠商: NXP Semiconductors N.V.
英文描述: Multimedia bridge, high performance Scaler and PCI circuit SPCI
中文描述: 多媒體橋梁,高性能潔牙機和PCI電路SPCI
文件頁數(shù): 89/144頁
文件大小: 645K
代理商: SAA7146A
1998 Apr 09
89
Philips Semiconductors
Product specification
Multimedia bridge, high performance
Scaler and PCI circuit (SPCI)
SAA7146A
Table 70
Horizontal offset values for the field memory mode
7.12.5
HPS
PROGRAMMING REGISTER
Table 71
HPS control register
RATIO
OFFSET
1
2
4
8
0CH
0CH
16H
2EH
OFFSET
(HEX)
NAME
BIT
TYPE
DESCRIPTION
5C
HPSdatasel
31 and 30
RW
source select for HPS video data
:
00: input video stream for HPS is taken from Port_A
01 input video stream for HPS is taken from Port_B
10: Y-byte from Port_B, C-byte from Port_A (CREF must provide at
Port_A)
11: Y-byte from Port_A, C-byte from Port_B (CREF must provide at
Port_B)
left-right flip
(mirroring), e.g. for vanity picture:
0: regular processing
1: left-right flip, accessible only if XT (number of pixel after horizontal
prescaling) is less than 384 pixels
source select for HPS sync-signals
:
0: take Ha, Va, Fa, LLC_A as selected in Table 66
1: take Hb, Vb, Fb, LLC_B, as selected in Table 66
reserved
vertical offset (start line) of HPS operation, counted in horizontal
source/input events, after selected vertical sync edge
reserved
Mirror
29
RW
HPSsyncsel
28
RW
27 to 24
23 to 12
RW
RW
HYO
11 to 0
RW
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