參數(shù)資料
型號： TMDS442PNP
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP128
封裝： GREEN, PLASTIC, TQFP-128
文件頁數(shù)： 19/45頁
文件大?。?/td> 1977K
代理商： TMDS442PNP
www.ti.com
A =No Acknowledge(SDA High)
A = Acknowledge
S=StartCondition
P =StopCondition
W=Write
R=Read
A
P
DATA
S
Slave Address
FromTransmitter
FromReceiver
W
A6
A5
2
A0
A1
ACK
Acknowledge
(FromReceiver)
ICDevice Addressand
Read/WriteBit
R/W
D7
D6
D0
ACK
Stop
Condition
Acknowledge
(Receiver)
LastDataByte
SDA
D7
D6
D1
FirstData
Byte
Start
Condition
Acknowledge
(Transmitter)
ACK
Other
DataBytes
A =No Acknowledge(SDA High)
A = Acknowledge
S=StartCondition
P =StopCondition
W=Write
R=Read
A
P
DATA
S
Slave Address
Transmitter
Receiver
R
A6
2
A0
ACK
Acknowledge
(From
Receiver)
ICDevice Addressand
Read/WriteBit
R/W
D7
D0
ACK
Stop
Condition
Acknowledge
(From
Transmitter)
LastDataByte
SDA
D7
D6
D1
D0
ACK
FirstData
Byte
Start
Condition
Not
Acknowledge
(Transmitter)
Other
DataBytes
Slave Address
SLLS757A – AUGUST 2006 – REVISED MARCH 2007
acknowledges data bytes sent by the slave. When the master has received all of the requested data bytes from
the slave, the not acknowledge (A) condition is initiated by the master by keeping the SDA signal high just before
it asserts the stop (P) condition. This sequence terminates a read cycle as shown in Figure 29 and Figure 30.
Note that the TMDS442 does not allow multiple read transfers to occur. See Example – Reading from the
TMDS442 section for more information.
Figure 27. I2C Write Cycle
Figure 28. Multiple Byte Write Transfer
Figure 29. I2C Read Cycle
Figure 30. Multiple Byte Read Transfer
Both SDA and SCL must be connected to a positive supply voltage via a pull-up resistor. These resistors should
comply with the I2C specification that ranges from 2 k
to 19 k. When the bus is free, both lines are high. The
address byte is the first byte received following the START condition from the master device. The first 5 Bits
(MSBs) of the address are factory preset to 01011. The next two bits of the TMDS442 address are controlled by
26
Copyright 2006–2007, Texas Instruments Incorporated
Product Folder Link(s): TMDS442
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TMDS442PNPG4 功能描述:多路器開關(guān) IC 4-to-2 DVI/HDMI Sw RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16
TMDS442PNPR 功能描述:視頻開關(guān) IC 4-to-2 DVI/HDMI Sw Pwr I/O Exp RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
TMDS442PNPRG4 功能描述:視頻開關(guān) IC 4-to-2 DVI/HDMI Sw Pwr I/O Exp RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
TMDS461 制造商:TI 制造商全稱:Texas Instruments 功能描述:1080p a?? Deep Color 4-to-1 HDMI/DVI Switch with Adaptive Equalization
TMDS461PZT 功能描述:視頻開關(guān) IC 4 to 1 HDMI Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
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