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| 型號： | TVP5147M1IPFPR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 顏色信號轉(zhuǎn)換 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP80 |
| 封裝： | GREEN, PLASTIC, HTQFP-80 |
| 文件頁數(shù)： | 34/108頁 |
| 文件大?。?/td> | 937K |
| 代理商： | TVP5147M1IPFPR |
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SLES140F – JULY 2005 – REVISED DECEMBER 2010
Because SDA and SCL are kept open drain at a logic-high output level or when the bus is not driven, the
user must connect SDA and SCL to a positive supply voltage via a pullup resistor on the board. The slave
addresses select signal, terminal 37 (I2CA), enables the use of two TVP5147M1 devices tied to the same
I2C bus, because it controls the least-significant bit of the I2C device address.
Table 2-4. I2C Host Interface Terminal Description
SIGNAL
TYPE
DESCRIPTION
I2CA
I
Slave address selection
SCL
I
Input clock line
SDA
I/O
Input/output data line
2.6.1
Reset and I
2C Bus Address Selection
The TVP5147M1 decoder can respond to two possible chip addresses. The address selection is made at
reset by an externally supplied level on the I2CA terminal. The TVP5147M1 decoder samples the level of
terminal 37 at power up or at the trailing edge of RESETB and configures the I2C bus address bit A0.
Table 2-5. I2C Address Selection
A6
A5
A4
A3
A2
A1
A0 (I2CA)
R/W
HEX
1
0
1
0
0 (default)
1/0
B9/B8
1
0
1
0
1(1)
1/0
BB/BA
(1)
If terminal 37 is strapped to DVDD via a 2.2-k
Ω resistor, I2C device address A0 is set to 1.
2.6.2
I
2C Operation
Data transfers occur using the following illustrated formats.
S
10111000
ACK
Subaddress
ACK
Send Data
ACK
P
Read from I2C control registers
S
10111000
ACK
Subaddress
ACK
S
10111001
ACK
Receive Data
NAK
P
S = I2C bus start condition
P = I2C bus stop condition
ACK = Acknowledge generated by the slave
NAK = Acknowledge generated by the master, for multiple-byte read master with ACK each
byte except last byte
Subaddress = Subaddress byte
Data = Data byte. If more than one byte of data is transmitted (read and write), the
subaddress pointer is automatically incremented.
I2C bus address = Example shown that I2CA is in default mode. Write (B8h), read (B9h)
Copyright 2005–2010, Texas Instruments Incorporated
Functional Description
31
Product Folder Link(s): TVP5147M1
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| TVP5147M1PFP | 功能描述:視頻 IC 10B High Qual S-Chip Dig Vid Decoder 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 |
| TVP5147M1PFP | 制造商:Texas Instruments 功能描述:; Resolution (Bits):10; Supply Current:5 |
| TVP5147M1PFP_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 2 X 10-Bit Digital Video Decoder With Macrovision Detection, YPbPr Inputs, and 5-Line Comb Filter |
| TVP5147M1PFPG4 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 2 X 10-Bit Digital Video Decoder With Macrovision Detection, YPbPr Inputs, and 5-Line Comb Filter |
| TVP5147M1PFPR | 功能描述:視頻 IC 10B Hi Qual Sgl-Chip 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 |
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