參數(shù)資料
型號(hào): SAA7140A
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: High Performance Scaler HPS
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP128
文件頁數(shù): 47/68頁
文件大?。?/td> 432K
代理商: SAA7140A
1996 Sep 04
47
Philips Semiconductors
Objective specification
High Performance Scaler (HPS)
SAA7140A; SAA7140B
Table 21
Field sync definition; data bit FSEL
8.3.2
I
NITIAL SETTINGS FOR THE
VRAM
PORT
;
SUBADDRESS
01H
Table 22
First pixel position in VRO data for FS1 = 0; FS0 = 0 (RGB) and FS1 = 0; FS0 = 1 (YUV); data bits
LW1 and LW0
Table 23
First pixel position in VRO data for FS1 = 1; FS0 = 1 (monochrome)
Table 24
Set output field mode; data bits OF1 to OF0
Table 25
Pixel qualifier polarity flag; data bit QPP
Table 26
VRAM-port output format; data bit VOF
FSEL
DESCRIPTION
0
1
V input for field detection to be handled as V sync signal
V input for field detection to be handled as frame sync signal
LW1
LW0
BITS 31 to 24
BITS 23 to 16
BITS 15 to 8
BITS 7 to 0
REMARK
0
0
1
1
0
1
0
1
pixel 0
pixel 0
black
black
pixel 0
pixel 0
black
black
pixel 1
pixel 1
pixel 0
pixel 0
pixel 1
pixel 1
pixel 0
pixel 0
FS2 = 0; TTR = 0
LW1
LW0
BITS 31 to 24
BITS 23 to 16
BITS 15 to 8
BITS 7 to 0
REMARK
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
pixel 0
black
black
black
pixel 0
black
pixel 0
black
pixel 1
pixel 0
black
black
pixel 1
pixel 0
pixel 1
pixel 0
pixel 2
pixel 1
pixel 0
black
X
X
X
X
pixel 3
pixel 2
pixel 1
pixel 0
X
X
X
X
FS2 = 0; TTR = 0
FS2 = 1; TTR = 0;
LW only affects the grey
scale format
OF1
OF0
DESCRIPTION
0
0
1
1
0
1
0
1
both fields for interlaced storage
both fields for non-interlaced storage
odd fields only (even fields ignored) for non-interlaced storage
even fields only (odd fields ignored) for non-interlaced storage
QPP
DESCRIPTION
0
1
PXQV is active LOW (pin 41)
PXQV is active HIGH
VOF
DESCRIPTION
0
1
enabling of 32 to 16-bit multiplexing via VMUX
disabling of 32 to 16-bit multiplexing via VMUX
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