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參數(shù)資料
| 型號： | MAX7318AWG+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 16/19頁 |
| 文件大小： | 0K |
| 描述： | IC PORT EXPANDER 16BIT 24SOIC |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 30 |
| 接口： | I²C，SM 總線 |
| 輸入/輸出數(shù)： | 16 |
| 中斷輸出： | 是 |
| 頻率 - 時鐘： | 400kHz |
| 電源電壓： | 2 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-SOIC（0.295"，7.50mm 寬） |
| 供應商設(shè)備封裝： | 24-SOIC W |
| 包裝： | 管件 |
| 包括： | POR |
MAX7318
Detailed Description
The MAX7318 general-purpose input/output (GPIO)
peripheral provides up to 16 I/O ports, controlled
MAX7318 consists of input port registers, output port
registers, polarity inversion registers, and configuration
registers. 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 2–5 show
detailed register information.
Serial Interface
Serial Addressing
The MAX7318 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
MAX7318, 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
MAX7318
Figure 1. 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 |
|---|---|
| MAX7318AWG+ | 功能描述:接口-I/O擴展器 16-Bit I/O Port Expander 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| MAX7318AWG+T | 功能描述:接口-I/O擴展器 16-Bit I/O Port Expander 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| MAX7318AWG-T | 功能描述:接口-I/O擴展器 16-Bit I/O Port Expander 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| MAX7318EVKIT+ | 功能描述:界面開發(fā)工具 Evaluation Kit for the MAX7318 RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| MAX7319 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:I2C Port Expander with 4 Push-Pull Outputs |
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