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參數(shù)資料
| 型號： | MAX7324AEG+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 6/20頁 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 8B 24QSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 接口： | I²C |
| 輸入/輸出數(shù)： | 8 |
| 中斷輸出： | 是 |
| 頻率 - 時鐘： | 400kHz |
| 電源電壓： | 1.71 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SSOP（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-QSOP |
| 包裝： | 管件 |
| 包括： | POR |
MAX7324
I2C Port Expander with Eight Push-Pull Outputs
and Eight Inputs
14
______________________________________________________________________________________
Writing to the MAX7324
A write to the input ports of the MAX7324 starts with the
master transmitting the group’s slave address with the
R/W bit set low. The MAX7324 acknowledges the slave
address and samples the ports during the acknowl-
edge bit. INT deasserts during the slave acknowledge.
The master can now transmit one or more bytes of
data. The MAX7324 acknowledges these subsequent
bytes of data and updates the interrupt mask register
with each new byte until the master issues a STOP con-
dition (Figure 9).
A write to the output ports of the MAX7324 starts with
the master transmitting the group’s slave address with
the R/W bit set low. The MAX7324 acknowledges the
slave address and samples the ports during the
acknowledge bit. The master can now transmit one or
more bytes of data. The MAX7324 acknowledges these
subsequent bytes of data and updates the correspond-
ing group’s ports with each new byte until the master
issues a STOP condition (Figure 10).
SCL
SDA
START CONDITION
R/W
SLAVE ADDRESS
S0
123
4
5
6
7
8
AA
A
tPV
DATA 1
DATA 2
tPV
DATA TO INTERRUPT MASK
Figure 9. Writing to the Input Ports of the MAX7324
SCL
SDA
START CONDITION
ACKNOWLEDGE
FROM SLAVE
SLAVE ADDRESS
S0
123
4
5
6
7
8
AA
A
tPV
DATA 1
DATA 2
DATA 2 VALID
DATA 1 VALID
WRITE
TO PORT
DATA OUT
FROM PORT
ACKNOWLEDGE
FROM SLAVE
ACKNOWLEDGE
FROM SLAVE
tPV
DATA TO PORT
R/W
Figure 10. Writing to the Output Ports of the MAX7324
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX7324AEG+ | 功能描述:接口-I/O擴展器 I2C Port Expander w/8 P-P Out & 8 In RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| MAX7324AEG+T | 功能描述:接口-I/O擴展器 I2C Port Expander w/8 P-P Out & 8 In RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| MAX7324AEG-T | 功能描述:接口-I/O擴展器 I2C Port Expander w/8 P-P Out & 8 In RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| MAX7324ATG | 功能描述:接口-I/O擴展器 RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| MAX7324ATG+ | 功能描述:接口-I/O擴展器 I2C Port Expander w/8 P-P Out & 8 In RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
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