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参数资料
| 型号： | TVP5151PBSR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 颜色信号转换 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP32 |
| 封装： | GREEN, PLASTIC, QFP-32 |
| 文件页数： | 11/85页 |
| 文件大小： | 958K |
| 代理商： | TVP5151PBSR |
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TVP5151
www.ti.com
SLES241D – SEPTEMBER 2009 – REVISED MARCH 2011
3.15.1 I
2C Write Operation
Data transfers occur utilizing the following illustrated formats.
An I2C master initiates a write operation to the TVP5151 decoder by generating a start condition (S)
followed by the TVP5151 I2C slave address (see the following illustration), in MSB first bit order, followed
by a 0 to indicate a write cycle. After receiving an acknowledge from the TVP5151 decoder, 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 TVP5151 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 slave 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
9
Step 7(1)
I2C Acknowledge (slave)
A
Step 8
0
I2C Stop (master)
P
(1)
Repeat steps 6 and 7 until all data have been written.
3.15.2 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 TVP5151 decoder by generating a start condition (S) followed by
the TVP5151 I2C slave address, in MSB first bit order, followed by a 0 to indicate a write cycle. After
receiving an acknowledge from the TVP5151 decoder, 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 (P).
Table 3-7. Read Address
Selection
I2CSEL
READ ADDRESS
0
B9h
1
BBh
The second phase is the data phase. In this phase, an I2C master initiates a read operation to the
TVP5151 decoder by generating a start condition followed by the TVP5151 I2C slave address (see the
following illustration of a read operation), in MSB first bit order, followed by a 1 to indicate a read cycle.
After an acknowledge from the TVP5151 decoder, the I2C master receives one or more bytes of data from
the TVP5151 decoder. The I2C master acknowledges the transfer at the end of each byte. After the last
data byte desired has been transferred from the TVP5151 decoder to the master, the master generates a
not acknowledge followed by a stop.
Copyright 2009–2011, Texas Instruments Incorporated
Functional Description
19
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PDF描述 |
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| TVP5151PBS | COLOR SIGNAL DECODER, PQFP32 |
| TVP5151ZQCR | COLOR SIGNAL DECODER, PBGA48 |
| TVP5151ZQC | COLOR SIGNAL DECODER, PBGA48 |
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相关代理商/技术参数 |
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| TVP5151ZQC | 功能描述:视频 IC UltraLo-Pwr NTSC/PAL 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 |
| TVP5151ZQCR | 功能描述:视频 IC UltraLo-Pwr NTSC/PAL 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 |
| TVP5154 | 制造商:Texas Instruments 功能描述:4-channel 9-bit Video Decoder TVP5154 |
| TVP5154A | 制造商:TI 制造商全称:Texas Instruments 功能描述:4-Channel Low-Power PAL/NTSC/SECAM Video Decoder With Independent Scalers and Fast Lock |
| TVP5154AIPNP | 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 |
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