參數(shù)資料
型號(hào): TFP6424PAP
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: 10 X 10 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, THERMALLY ENHANCED, POWER, PLASTIC, TQFP-64
文件頁數(shù): 38/65頁
文件大?。?/td> 813K
代理商: TFP6424PAP
TFP6422, TFP6424
PanelBus
DIGITAL TRANSMITTER/VIDEO ENCODER COMBO
SLDS118 – MARCH 2000
43
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PLL_X
Subaddress = 46
Default = 0xC9
7
6
5
4
3
2
1
0
PLL_X[7:0]
Subaddress = 47
Default = 0x35
7
6
5
4
3
2
1
0
PLL_X[15:8]
Subaddress = 48
Default = 0xD9
7
6
5
4
3
2
1
0
PLL_X[23:16]
Subaddress = 49
Default = 0x94
7
6
5
4
3
2
1
0
PLL_X_SF
PLL_X[29:24]
PLL_X[29:0]
30-bit frequency control for the PLL that generates the internal video encoding clock.
PLL_X_SF[1:0]
PLL scaling factor
Use the following equations to calculate PLL_X:
X = Round (5
× 2^(30 – PLL_X_SF) × Fref/(Fh × LLEN) × (FLENS+1)))
X1 = X
× (FLENS+1)
Adjust PLL_X_SF such that 2^30 < X1 <= 2^31
PLL_X = X1–2^30
Where
Fref
= Reference clock = 14.31818 MHz
Fh
= Line frequency of the output video
LLEN
= Length of a scan line in pixels
FLENS+1 = Length of a frame of source image in lines
The reset default values generate an internal 27 MHz video encoding clock.
PRODUCT
PREVIEW
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