參數(shù)資料
型號： MAX739EVKIT
廠商： Maxim Integrated Products, Inc.
英文描述： Evaluation Kit for the MAX739
中文描述： MAX739評估板
文件頁數(shù)： 13/17頁
文件大小： 338K
代理商： MAX739EVKIT
M
2-Wire-Interfaced 8-Bit I/O Port Expander
with Reset
______________________________________________________________________________________
13
1
3
2
4
5
8
6
7
S
A
A
A
0
A5
A4
A3
A2
A1
A0
DATA 1
SLAVE ADDRESS
DATA TO PORT
START CONDITION
ACKNOWLEDGE
FROM SLAVE
ACKNOWLEDGE
FROM SLAVE
ACKNOWLEDGE
FROM SLAVE
t
PV
DATA 1 VALID
9
1
0
0
0
0
COMMAND BYTE
P
DATA OUT
FROM PORT
WRITE TO
PORT
SDA
SCL
0
0
0
0
R/W
Figure 9. Write to Output Port Register Through Write-Byte Protocol
S1
A
A
0
A2
A1
A0
DATA 4
SLAVE ADDRESS
DATA FROM PORT
START CONDITION
NOTE 1:
THIS FIGURE ASSUMES THE COMMAND HAS PREVIOUSLY BEEN PROGRAMMED WITH 0x00.
NOTE 2:
TRANSFER OF DATA CAN BE STOPPED AT ANY MOMENT BY A STOP CONDITION. WHEN THIS OCCURS,
DATA PRESENT AT THE LAST ACKNOWLEDGED PHASE IS VALID (OUTPUT MODE). INPUT DATA IS LOST.
R/W
ACKNOWLEDGE
FROM SLAVE
ACKNOWLEDGE
FROM MASTER
STOP
CONDITION
DATA 1
DATA FROM PORT
P
t
PS
t
PH
DATA 4
DATA 3
DATA 2
DATA INTO
PORT
WRITE FROM
PORT
SDA
NA
NO ACKNOWLEDGE
FROM MASTER
A5
A4
A3
1
Figure 10. Read Input Port Register Through Receive-Byte Protocol
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX739EVKIT-DIP 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Evaluation Kit for the MAX739 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX739EWE 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 12V- Inverting DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX739EWE+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 12V- Inverting DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX739EWE+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 12V- Inverting DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX739EWE-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 12V- Inverting DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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