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參數資料
| 型號： | TMDS461PZT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封裝： | PLASTIC, TQFP-100 |
| 文件頁數： | 27/43頁 |
| 文件大小： | 3111K |
| 代理商： | TMDS461PZT |
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DataOutput
by Transmitter
DataOutput
byReceiver
SCL From
Master
START
Condition
S
1
2
8
9
ClockPulsefor
Acknowledgement
Acknowledge
Not Acknowledge
T0395-01
SCL
SDA
MSB
Slave Address
Acknowledge
Data
Acknowledge
Stop
123456789123456789
T0396-01
S
Slave Address
W
A
Data
A
Data
A
P
FromReceiver
From Transmitter
A =No Acknowledge(SDA High)
A = Acknowledge
S=StartCondition
P =StopCondition
W=Write
R0007-01
www.ti.com ............................................................................................................................................................................................... SLLS915 – JANUARY 2009
Figure 40. I2C Acknowledge
Figure 41. I2C Address, Data Cycle(s), and Stop
During a write cycle, the transmitting device must not drive the SDA signal line during the acknowledge cycle so
that the receiving device may drive the SDA signal low. After each byte transfer following the address byte, the
receiving device pulls the SDA line low for one SCL clock cycle. A stop condition is initiated by the transmitting
device after the last byte is transferred. An example of a write cycle can be found in Figure 42 and Figure 43.
Note that the TMDS461 allows multiple write transfers to occur. See the Example – Writing to the TMDS461
section for more information.
During a read cycle, the slave receiver acknowledges the initial address byte if it decodes the address as its
address. Following this initial acknowledge by the slave, the master device becomes a receiver and
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 44 and Figure 45.
See the Example – Reading from the TMDS461 section for more information.
Figure 42. I2C Write Cycle
Copyright 2009, Texas Instruments Incorporated
33
Product Folder Link(s) :TMDS461
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| TMDS461PZTR | 功能描述:視頻開關 IC 4 to 1 HDMI Switch RoHS:否 制造商:Texas Instruments 開關數量: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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| TMDS570LS31USB | 功能描述:EVAL BOARD HERCULES 制造商:texas instruments 系列:Hercules? 零件狀態:停產 板類型:評估平臺 類型:MCU 32-位 核心處理器:ARM? Cortex?-R4F 操作系統:- 平臺:- 配套使用產品/相關產品:TMS570LS 安裝類型:固定 內容:板，電纜，配件 標準包裝:1 |
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