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參數(shù)資料
| 型號(hào)： | MAX7311AWG+T |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 13/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC I/O EXPANDER I2C 16B 24SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 接口： | I²C，SM 總線 |
| 輸入/輸出數(shù)： | 16 |
| 中斷輸出： | 是 |
| 頻率 - 時(shí)鐘： | 400kHz |
| 電源電壓： | 2 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-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-SOIC W |
| 包裝： | 帶卷 (TR) |
| 包括： | POR |
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MAX7311
Detailed Description
The MAX7311 general-purpose input/output (GPIO)
peripheral provides up to 16 I/O ports, controlled
through an I2C-compatible serial interface. The
MAX7311 consists of input port registers, output port
registers, polarity inversion registers, configuration reg-
isters, and a bus-timeout register. Upon power-on, all
I/O lines are set as inputs. Three slave ID address select
pins, AD0, AD1, and AD2, choose one of 64 slave ID
addresses, including the eight addresses supported by
the Phillips PCA9555. Table 1 is the register address
table. Tables 2–6 show detailed register information.
Serial Interface
Serial Addressing
The MAX7311 operates as a slave that sends and
receives data through a 2-wire interface. The interface
uses a serial data line (SDA) and a serial clock line
(SCL) to achieve bidirectional communication between
master(s) and slave(s). A master, typically a microcon-
troller, initiates all data transfers to and from the
MAX7311, and generates the SCL clock that synchro-
nizes the data transfer (Figure 2).
2-Wire-Interfaced 16-Bit I/O Port Expander
with Interrupt and Hot-Insertion Protection
6
_______________________________________________________________________________________
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
INPUT/OUTPUT
PORT 1
SMBus
CONTROL
8 BIT
READ PULSE
WRITE PULSE
I/O8
I/O9
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
INPUT/OUTPUT
PORT 2
8 BIT
READ PULSE
WRITE PULSE
INT
POWER-ON
RESET
INPUT
FILTER
N
V+
SDA
SCL
AD2
AD1
AD0
GND
MAX7311
Figure 1. MAX7311 Block Diagram
SCL
SDA
START CONDITION
STOP CONDITION
REPEATED START CONDITION
START CONDITION
tSU, DAT
tHD, DAT
tLOW
tHD, STA
tHIGH
tR
tF
tSU, STA
tHD, STA
tSU, STO
tBUF
Figure 2. 2-Wire Serial Interface Timing Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX7311EAG | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX7311EUG | 制造商:Maxim Integrated Products 功能描述: |
| MAX7311EVKIT+ | 功能描述:界面開(kāi)發(fā)工具 Evaluation Kit for the MAX7311 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 |
| MAX7312 | 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:2-Wire-Interfaced 16-Bit I/O Port Expander with Interrupt and Hot-Insertion Protection |
| MAX7312AAG | 功能描述:接口-I/O擴(kuò)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 |
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