參數(shù)資料
型號(hào): SAA6721E
廠商: NXP SEMICONDUCTORS
元件分類: 圖形處理器
英文描述: SXGA RGB to TFT graphics engine(XGA RGB 到 TFT圖形引擎)
中文描述: GRAPHICS PROCESSOR, PBGA292
封裝: 27 X 27 MM, 1.75 MM HEIGHT, PLASTIC, SOT-489-1, BGA-292
文件頁(yè)數(shù): 36/72頁(yè)
文件大?。?/td> 360K
代理商: SAA6721E
1999 May 11
36
Philips Semiconductors
Preliminary specification
SXGA RGB to TFT graphics engine
SAA6721E
Scaler
S
CALER CONFIGURATION
Horizontal downscaler activation
Horizontal downscaler disabled
Horizontal downscaler enabled
Vertical downscaler activation
Vertical downscaler disabled
Vertical downscaler enabled
Horizontal upscaler activation
Horizontal upscaler disabled
Horizontal upscaler enabled
Vertical upscaler activation
Vertical upscaler disabled
Vertical upscaler enabled
Horizontal upscaling transition function programming
Horizontal upscaling transition function writing disabled
Horizontal upscaling transition function writing enabled
Vertical upscaling transition function programming
Vertical upscaling transition function writing disabled
Vertical upscaling transition function writing enabled
Line memory usage
Line memory used by upscaling unit
Line memory used by downscaling unit
75
W
D0
logic 0
logic 1
D1
logic 0
logic 1
D2
logic 0
logic 1
D3
logic 0
logic 1
D4
logic 0
logic 1
D5
logic 0
logic 1
D6
logic 0
logic 1
V
ERTICAL UPSCALE INCREMENT
Increment for vertical upscaling
76 and 77
W
D11 to D0
V
ERTICAL UPSCALE CORRECTION
Fraction of vertical upscaling increment (
1
100
)
H
ORIZONTAL UPSCALE INCREMENT
78
W
D6 to D0
Increment for horizontal upscaling
79 and 80
W
D11 to D0
H
ORIZONTAL UPSCALE CORRECTION
Fraction of horizontal upscaling increment (
1
100
)
V
ERTICAL DOWNSCALE INCREMENT
81
W
D6 to D0
Increment for vertical downscaling
82
W
D5 to D0
V
ERTICAL DOWNSCALE CORRECTION
Fraction of vertical downscaling increment (
1
100
)
H
ORIZONTAL DOWNSCALE INCREMENT
83
W
D6 to D0
Increment for horizontal downscaling
84
W
D5 to D0
NAME
SUBADDRESS
R/W
DATA
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