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参数资料
| 型号： | TVP5160PNP |
| 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： | GREEN, PLASTIC, HTQFP-128 |
| 文件页数： | 38/111页 |
| 文件大小： | 1400K |
| 代理商： | TVP5160PNP |
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SLES135E
– FEBRUARY 2005 – REVISED APRIL 2011
Table 2-6. EAV and SAV Sequence
Y9 (MSB)
Y8
Y7
Y6
Y5
Y4
Y3
Y2
Y1
Y0
Preamble
1
Preamble
0
Preamble
0
Status
1
F
V
H
P3
P2
P1
P0
0
2.9
I
2C Host Interface
Communication with the TVP5160 decoder is via an I2C host interface. The I2C standard consists of two
signals, the serial input/output data (SDA) line and input/output clock line (SCL), which carry information
between the devices connected to the bus. A 2-bit control signal (I2CA0/ I2CA1) selects the slave
address. Although an I2C system can be multi-mastered, the TVP5160 decoder can function as a slave
device only. Because SDA and SCL are kept open-drain at logic high output level or when the bus is not
driven, the user must connect SDA and SCL to IOVDD via a pullup resistor on the board. The slave
address select, terminals 83 and 82 (I2CA0 and I2CA1), enables the use of four TVP5160 devices tied to
the same I2C bus, because it controls the two least significant bits of the I2C device address.
Table 2-7. I2C Host Interface Terminal Description
SIGNAL
TYPE
DESCRIPTION
I2CA0
I
Slave address selection
I2CA1
I
Slave address selection
SCL
I/O
Input clock line
SDA
I/O
Input/output data line
2.9.1
Reset and I
2C Bus Address Selection
The TVP5160 decoder can respond to four possible chip addresses. The address selection is made at
reset by an externally supplied level on the I2CA0/I2CA1 pins. The TVP5160 decoder samples the level of
terminals 83 and 82 at power up or at the trailing edge of RESETB and configures the I2C bus address bit
A0/A1.
Table 2-8. I2C Host Interface Device Addresses
A6
A5
A4
A3
A2
A1(I2CA1)(1)
A0 (I2CA0)(1)
R/W
HEX
1
0
1
0 (default)
1/0
B9/B8
1
0
1
0
1
1/0
BB/BA
1
0
1
0
1/0
BD/BC
1
0
1
1/0
BF/BE
(1)
To pull up the I2C terminals high, tie to IOVDD via a 2.2-k
Ω resistor.
32
Functional Description
Copyright
2005–2011, Texas Instruments Incorporated
focus.ti.com: TVP5160
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