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參數(shù)資料
| 型號(hào)： | AD8196-EVAL |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 2:1 HDMI/DVI Switch with Equalization |
| 中文描述： | 2:1的HDMI / DVI接口與均衡開(kāi)關(guān) |
| 文件頁(yè)數(shù)： | 15/24頁(yè) |
| 文件大?。?/td> | 388K |
| 代理商： | AD8196-EVAL |
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Preliminary Data Sheet
AD8196
PrA | Page 15 of 24
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 Procedure
READ PROCEDURE
To read data from the AD8196 register set, an I
2
C master (such
as a microcontroller) needs to send the appropriate control
signals to the AD8196 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 AD8196 part address (seven bits). The upper six
bits of the AD8196 part address are the static value
[100100] and the LSB is set by Input Pin I2C_ADDR. This
transfer should be MSB first.
3.
Send the write indicator bit (0).
4.
Wait for the AD8196 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 AD8196 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 AD8196 part address (seven bits) from Step 2.
The upper six bits of the AD8196 part address compose the
static value [100100]. The LSB is set by Input Pin I2C_ADDR.
This transfer should be MSB first.
9.
Send the read indicator bit (1).
10.
Wait for the AD8196 to acknowledge the request.
11.
The AD8196 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 AD8196.
13.
Do one of the following:
a.
Send a stop 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 Figure 30).
b.
Send a repeated start condition (while holding the
I2C_SCL line high, pull the I2C_SDA line low) and
continue with Step 2 of the write procedure (see the
previous Write Procedure section) to perform a write.
c.
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.
d.
Send a repeated start condition (while holding the
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.
SWITCHING/UPDATE DELAY
There is a delay between when a user writes to the configura-
tion registers of the AD8196 and when that state change takes
physical effect. This update delay begins at the falling edge of
I2C_SCL for the last data bit transferred, as shown in Figure 29.
This update delay is register specific and the times are specified
in Table 1.
During a delay window, new values can be written to the
configuration registers but the AD8196 does not physically
update until the end of that register’s delay window. Writing
new values during the delay window does not reset the window;
new values supersede the previously written values. At the end
of the delay window, the AD8196 physically assumes the state
indicated by the last set of values written to the configuration
registers. If the configuration registers are written after the delay
window ends, the AD8196 immediately updates and a new
delay window begins.
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| AD8197ASTZ | 4:1 HDMI/DVI Switch with Equalization |
| AD8197ASTZ-RL | 4:1 HDMI/DVI Switch with Equalization |
| AD8197-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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| AD8197 | 制造商:AD 制造商全稱:Analog Devices 功能描述:4:1 HDMI/DVI Switch with Equalization |
| AD8197A | 制造商:AD 制造商全稱:Analog Devices 功能描述:4:1 HDMI/DVI Switch with Equalization |
| AD8197A_07 | 制造商:AD 制造商全稱:Analog Devices 功能描述:4:1 HDMI/DVI Switch with Equalization |
| AD8197AASTZ | 功能描述:IC HDMI/DVI SWITCH 4:1 100LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開(kāi)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(kāi)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) |
| AD8197AASTZ-RL | 功能描述:IC SWITCH HDMI/DVI 4:1 100LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開(kāi)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(kāi)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) |
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