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參數(shù)資料
| 型號： | AD8191ASTZ-RL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | 4:1 HDMI/DVI Switch with Equalization |
| 中文描述： | 4-CHANNEL, AUDIO/VIDEO SWITCH, PQFP100 |
| 封裝： | LEAD FREE, MS-026-BED, LQFP-100 |
| 文件頁數(shù)： | 17/32頁 |
| 文件大?。?/td> | 660K |
| 代理商： | AD8191ASTZ-RL |
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AD8191
Rev. 0 | Page 17 of 32
START
FIXED PART
ADDR
REGISTER ADDR
FIXED PART
ADDR
DATA
STOP
ACK
ADDR
ACK
R/W
ADDR
ACK
ACK
R/W
SR
1
2
3
4
5
6
7
8
9 10 11
12
13
I2C_SCL
GENERAL CASE
I2C_SDA
EXAMPLE
I2C_SDA
0
Figure 30. I
2
C Read Diagram
READ PROCEDURE
To read data from the AD8191 register set, an I
2
C master (such
as a microcontroller) needs to send the appropriate control
signals to the AD8191 slave device. The signals are controlled
by the I
2
C master, unless otherwise specified. For a diagram of
the procedure, see Figure 30. The steps for a read procedure are
as follows:
1.
Send a start condition (while holding the I2C_SCL line
high, pull the I2C_SDA line low).
2.
Send the AD8191 part address (seven bits). The upper four
bits of the AD8191 part address are the static value [1001]
and the three LSBs are set by Input Pin I2C_ADDR2, Input
Pin I2C_ADDR1, and Input Pin I2C_ADDR0 (LSB). This
transfer should be MSB first.
3.
Send the write indicator bit (0).
4.
Wait for the AD8191 to acknowledge the request.
5.
Send the register address (eight bits) from which data is to
be read. This transfer should be MSB first.
6.
Wait for the AD8191 to acknowledge the request.
7.
Send a repeated start condition (Sr) by holding the
I2C_SCL line high and pulling the I2C_SDA line low.
8.
Resend the AD8191 part address (seven bits) from Step 2.
The upper four bits of the AD8191 part address are the
static value [1001] and the three LSBs are set by the Input
Pin I2C_ADDR2, I2C_ADDR1 and Input Pin I2C_ADDR0
(LSB). This transfer should be MSB first.
9.
Send the read indicator bit (1).
10.
Wait for the AD8191 to acknowledge the request.
11.
The AD8191 serially transfers the data (eight bits) held in
the register indicated by the address set in Step 5. This data
is sent MSB first.
12.
Acknowledge the data from the AD8191.
13.
Perform one of the following:
13a.
S
op condition (while holding the I2C_SCL
line high, pull the SDA line high) and release control
of the bus to end the transaction (shown in
end a st
).
13b.
ated start condition (while holding the
I2C_SCL line high, pull the I2C_SDA line low) and
continue with Step 2 of the write procedure (previous
Write Procedure section) to perform a write.
13c.
13d.
on (while holding the
Figure 30
Send a repe
Send a repeated start condition (while holding the
I2C_SCL line high, pull the I2C_SDA line low) and
continue with Step 2 of this procedure to perform a
read from another address.
Send a repeated start conditi
I2C_SCL line high, pull the I2C_SDA line low) and
continue with Step 8 of this procedure to perform a
read from the same address.
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| AD8191-EVAL | 4:1 HDMI/DVI Switch with Equalization |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AD8191-EVAL | 制造商:Analog Devices 功能描述:EVAL KIT FOR 4:1 HDMI/DVI SWIT W/ EQUALIZATION - Bulk |
| AD8192 | 制造商:AD 制造商全稱:Analog Devices 功能描述:2:1 HDMI/DVI Switch with Equalization and DDC/CEC Buffers |
| AD8192ACPZ | 功能描述:IC SW MUX HDMI/DVI 2:1 56LFCSP RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開關(guān)，多路復(fù)用器，多路分解器 系列:- 特色產(chǎn)品:MicroPak? 標(biāo)準(zhǔn)包裝:1 系列:- 功能:開關(guān) 電路:2 x SPST - NC 導(dǎo)通狀態(tài)電阻:500 毫歐 電壓電源:單電源 電壓 - 電源，單路/雙路(±):1.4 V ~ 4.3 V 電流 - 電源:150nA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-XFDFN 供應(yīng)商設(shè)備封裝:8-XSON，SOT833-1 （1.95x1） 包裝:Digi-Reel® 其它名稱:568-5557-6 |
| AD8192ACPZ-RL7 | 功能描述:IC SW MUX HDMI/DVI 2:1 56LFCSP RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開關(guān)，多路復(fù)用器，多路分解器 系列:- 其它有關(guān)文件:STG4159 View All Specifications 標(biāo)準(zhǔn)包裝:5,000 系列:- 功能:開關(guān) 電路:1 x SPDT 導(dǎo)通狀態(tài)電阻:300 毫歐 電壓電源:雙電源 電壓 - 電源，單路/雙路(±):±1.65 V ~ 4.8 V 電流 - 電源:50nA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:7-WFBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:7-覆晶 包裝:帶卷 (TR) |
| AD8192-EVALZ | 制造商:AD 制造商全稱:Analog Devices 功能描述:2:1 HDMI/DVI Switch with Equalization and DDC/CEC Buffers |
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