I2C Port Expander with 12 Push-Pull Outputs and 4 Inputs 14 ____________" />
參數(shù)資料
型號(hào)： MAX7326ATG+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 6/20頁(yè)
文件大?。?/td> 0K
描述： IC I/O EXPANDER I2C 16B 24TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
接口： I²C
輸入/輸出數(shù)： 16
中斷輸出： 是
頻率 - 時(shí)鐘： 400kHz
電源電壓： 1.71 V ~ 5.5 V
工作溫度： -40°C ~ 125°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 24-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 24-TQFN-EP（4x4）
包裝： 帶卷 (TR)
包括： POR
MAX7326
I2C Port Expander with 12 Push-Pull Outputs
and 4 Inputs
14
______________________________________________________________________________________
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 Group B Ports of the MAX7326
Writing to the MAX7326
A write to the group A ports of the MAX7326 starts with
the master transmitting the group’s slave address with
the R/W bit set low. The MAX7326 acknowledges the
slave address and samples the ports during the
acknowledge. INT goes high (high impedance if an
external pullup resistor is not fitted) during the slave
address acknowledge. The master can then issue a
STOP condition after the acknowledge (Figure 6), but
typically the master proceeds to transmit one or more
bytes of data. The MAX7326 acknowledges these sub-
sequent bytes of data and updates the four output
ports and the 4-bit interrupt mask register with each
new byte until the master issues a STOP condition
(Figure 9).
A write to the group B ports of the MAX7326 starts with
the master transmitting the group’s slave address with
the R/W bit set low. The MAX7326 acknowledges the
slave address and samples the ports during the
acknowledge bit. The master can now transmit one or
more bytes of data. The MAX7326 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 Group A Ports of the MAX7326
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參數(shù)描述
MAX7326EVCMAXQU+ 功能描述:界面開(kāi)發(fā)工具 MAX7326 Max7526 Kit RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類(lèi)型:RS-485 工具用于評(píng)估:ADM3485E 接口類(lèi)型:RS-485 工作電源電壓:3.3 V
MAX7326EVKIT+ 功能描述:界面開(kāi)發(fā)工具 MAX7326 Eval Kit RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類(lèi)型:RS-485 工具用于評(píng)估:ADM3485E 接口類(lèi)型:RS-485 工作電源電壓:3.3 V
MAX7327 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:I2C Port Expander with Eight Push-Pull Outputs and Eight Inputs
MAX7327AATG+ 功能描述:接口-I/O擴(kuò)展器 I2C PORT EXP&ER w/ 12 PUSH-PULL OUTPUTS 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
MAX7327AATG+T 功能描述:接口-I/O擴(kuò)展器 I2C PORT EXP&ER w/ 12 PUSH-PULL OUTPUTS 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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