參數(shù)資料
型號： TVP5145
英文描述： NTSC/PAL/SECAM/Component Digital Video Decoder With Macrovision(TM) Detection
中文描述： 的NTSC / PAL / SECAM制式/分量數(shù)字視頻解碼器通過Macrovision（TM）的檢測
文件頁數(shù)： 36/92頁
文件大?。?/td> 525K
代理商： TVP5145
2
–
20
2.7.1.1 I
2
C Write Operation
Data transfers occur utilizing the following illustrated formats.
An I
2
C master initiates a write operation to the TVP5145 device by generating a start condition followed by the
TVP5145 I
2
C address 101110X, the X in the TVP5145 address is 0 when VC3 terminal is tied low and is 1 when VC3
terminal is tied high, in MSB first bit order, followed by a 0 to indicate a write cycle. After receiving an acknowledge
from the TVP5145 device, the master presents the subaddress of the register, or the first of a block of registers it wants
to write, followed by one or more bytes of data, MSB first. The TVP5145 device acknowledges each byte after
completion of each transfer. The I
2
C master terminates the write operation by generating a stop condition.
Step 1
I2C Start (master)
0
S
Step 2
I2C General address (master)
7
6
5
4
3
2
1
0
1
0
1
1
1
0
X
0
Step 3
I2C Acknowledge (slave)
9
A
Step 4
I2C Write register address (master)
7
6
5
4
3
2
1
0
addr
addr
addr
addr
addr
addr
addr
addr
Step 5
I2C Acknowledge (slave)
9
A
Step 6
I2C Write data (master)
7
6
5
4
3
2
1
0
Data
Data
Data
Data
Data
Data
Data
Data
Step 7
I2C Acknowledge (slave)
9
A
Step 8
I2C Stop (master)
Repeat steps 6 and 7 until all data have been written.
0
P
2.7.1.2 I
2
C Read Operation
The read operation consists of two phases. The first phase is the address phase. In this phase, an I
2
C master initiates
a write operation to the TVP5145 device by generating a start condition followed by the TVP5145 I
2
C address
101110X, in MSB first bit order, followed by a 0 to indicate a write cycle. After receiving acknowledges from the
TVP5145 device, the master presents the subaddress of the register or the first of a block of registers it wants to read.
After the cycle is acknowledged, the master terminates the cycle immediately by generating a stop condition. The
second phase is the data phase. In this phase, an I
2
C master initiates a read operation to the TVP5145 device by
generating a start condition followed by the TVP5145 I
2
C address 101110X, in MSB first bit order, followed by a 1
to indicate a read cycle. After an acknowledge from the TVP5145 device, the I
2
C master receives one or more bytes
of data from the TVP5145 device. The I
2
C master acknowledges the transfer at the end of each byte. After the last
data byte desired has been transferred from the TVP5145 device to the master, the master generates a not
acknowledge followed by a stop.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TVP5145EVM 制造商:Texas Instruments 功能描述:TVP5145EVM - Bulk
TVP5145PFP 功能描述:視頻 IC NTSC/PAL/SECAM/ Comp 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
TVP5146 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL / SECAM 4 X 10 BIT DIGITAL VIDEO DECODER WITH MACROVISION DETECTION YPBPR/RGB INPUTS 5 LINE COMB FILTER AND SCART SUPPORT
TVP5146_12 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 4x10-Bit Digital Video Decoder With Macrovision?￡a Detection, YPbPr/RGB Inputs, 5-Line Comb Filter, and SCART Support
TVP5146EVM 功能描述:視頻 IC 開發(fā)工具 TVP5146 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Boards 類型:YPbPr to RGBHV Converters 工具用于評估:LMH1251 工作電源電壓:5 V
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