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参数资料
| 型号： | TVP5154AIPNPR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 颜色信号转换 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP128 |
| 封装： | PLASTIC, HTQFP-128 |
| 文件页数： | 13/92页 |
| 文件大小： | 1089K |
| 代理商： | TVP5154AIPNPR |
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SLES214C – DECEMBER 2007 – REVISED SEPTEMBER 2010
www.ti.com
4.1
I
2C Write Operation
Data transfers occur utilizing the following illustrated formats.
An I2C master initiates a write operation to the TVP5154A decoder by generating a start condition (S)
followed by the TVP5154A I2C address (as shown below), in MSB first bit order, followed by a 0 to
indicate a write cycle. After receiving an acknowledge from the TVP5154A decoder, the master presents
the sub-address 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 TVP5154A decoder acknowledges each byte after completion of each
transfer. The I2C master terminates the write operation by generating a stop condition (P).
Step 1
0
I2C start (master)
S
Step 2
7
6
5
4
3
2
1
0
I2C general address (master)
1
0
1
0
X
0
Step 3
9
I2C acknowledge (slave)
A
Step 4
7
6
5
4
3
2
1
0
I2C write register address (master)
addr
Step 5
9
I2C acknowledge (slave)
A
Step 6
7
6
5
4
3
2
1
0
I2C write data (master)
Data
Step 7(1)
9
I2C acknowledge (slave)
A
Step 8
0
I2C stop (master)
P
(1)
Repeat steps 6 and 7 until all data have been written.
4.2
I
2C Read Operation
The read operation consists of two phases. The first phase is the address phase. In this phase, an I2C
master initiates a write operation to the TVP5154A decoder by generating a start condition (S) followed by
the TVP5154A I2C address, in MSB first bit order, followed by a 0 to indicate a write cycle. After receiving
acknowledges from the TVP5154A decoder, the master presents the sub-address 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 (P).
The second phase is the data phase. In this phase, an I2C master initiates a read operation to the
TVP5154A decoder by generating a start condition followed by the TVP5154A I2C address (as shown
below for a read operation), in MSB first bit order, followed by a 1 to indicate a read cycle. After an
acknowledge from the TVP5154A decoder, the I2C master receives one or more bytes of data from the
TVP5154A decoder. The I2C master acknowledges the transfer at the end of each byte. After the last data
byte desired has been transferred from the TVP5154A decoder to the master, the master generates a not
acknowledge followed by a stop.
20
Copyright 2007–2010, Texas Instruments Incorporated
I2C Host Interface
Product Folder Link(s): TVP5154A
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相关代理商/技术参数 |
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| TVP5154APNP | 功能描述:视频 IC 4Ch Lo Pwr PAL/NTSC SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| TVP5154APNPR | 功能描述:视频 IC 4Ch Lo Pwr PAL/NTSC SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| TVP5154EVM | 功能描述:视频 IC 开发工具 TVP5154 Eval Mod RoHS:否 制造商:Texas Instruments 产品:Evaluation Boards 类型:YPbPr to RGBHV Converters 工具用于评估:LMH1251 工作电源电压:5 V |
| TVP5154PNP | 功能描述:视频 IC 4Ch Lo Pwr PAL/NTSC/ SECAM Video Decoder RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| TVP5154PNP | 制造商:Texas Instruments 功能描述:4-Channel Video Decoder |
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