參數(shù)資料
型號(hào)： TVP5146PFP
廠商： TEXAS INSTRUMENTS INC
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： COLOR SIGNAL DECODER, PQFP80
封裝： GREEN, PLASTIC, HTQFP-80
文件頁(yè)數(shù)： 42/109頁(yè)
文件大小： 1658K
代理商： TVP5146PFP
30
SLES084C August 2007
TVP5146
The TVP5146 requires that terminal 69 (C_1/GPIO) be held LOW. If using the 20-/16-bit mode
or using this terminal as GPIO, then this terminal must be pulled low through a 2.2-k
pulldown
resistor (see Figure 51). If unused, this terminal can be shorted to ground. (Note: If using the
20-/16-bit mode and only using the 16 MSBs, it is possible to short terminal 69 to GND, but the
current for IOVDD will increase by 2 or 3 mA.)
After reset, the user must write the following I2C commands to the TVP5146:
STEP
I2C SUBADDRESS
I2C DATA
1
0xE8
0x02
2
0xE9
0x00
3
0xEA
0x80
4
0xE0
0x01
5
0xE8
0x60
6
0xE9
0x00
7
0xEA
0xB0
8
0xE0
0x01
9
0xE0
0x00
10
0x03
0x01
11
0x03
0x00
Afterward, the user programs the device as usual.
2.9
Adjusting External Syncs
The proper sequence to program the following external syncs is:
To set NTSC, PAL-M, NTSC 443, PAL60 (525-line modes):
Set the video standard to NTSC (register 02h)
Set HSYNC, VSYNC, VBLK, and AVID external syncs (registers 16h through 24h)
To set PAL, PAL-N, SECAM (625-line modes):
Set the video standard to PAL (register 02h)
Set HSYNC, VSYNC, VBLK, and AVID external syncs (registers 16h through 24h)
For autoswitch, set the video standard to autoswitch (register 02h)
2.10 Internal Control Registers
The TVP5146 decoder is initialized and controlled by a set of internal registers that define the
operating parameters of the entire decoder. Communication between the external controller and
the TVP5146 decoder is through a standard I2C host port interface, as described earlier.
Table 210 shows the summary of these registers. Detailed programming information for each
register is described in the following sections. Additional registers are accessible through an
indirect procedure involving access to an internal 24-bit address wide VBUS. Table 211 shows
the summary of the VBUS registers.
NOTE: Do not write to reserved registers. Reserved bits in any defined register must be written
with 0s, unless otherwise noted.
相關(guān)PDF資料
PDF描述
TVP5146PFPR COLOR SIGNAL DECODER, PQFP80
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TVP5146PFP 制造商:Texas Instruments 功能描述:IC VIDEO DECODER 10BIT 30MSPS HTQFP-80 制造商:Texas Instruments 功能描述:IC, VIDEO DECODER, 10BIT 30MSPS HTQFP-80
TVP5146PFPG4 制造商:Texas Instruments 功能描述:10BIT VIDEO DECODER SMD HTQFP80
TVP5146PFPR 功能描述:視頻 IC NTSC/PAL/SECAM 4x10B Dig Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
TVP5147EVM 功能描述:視頻 IC 開發(fā)工具 TVP5147 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Boards 類型:YPbPr to RGBHV Converters 工具用于評(píng)估:LMH1251 工作電源電壓:5 V
TVP5147M1 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 2x10-Bit Digital Video Decoder With Macrovision Detection, YPbPr Inputs, and 5-Line Comb Felter
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