MAX3100 - SPI/MICROWIRE兼容UART

MAX3100是Maxim美信半导体公司的一款扩展控制器产品，MAX3100是SPI/MICROWIRE兼容UART，本站介绍了MAX3100的封装应用图解、特点和优点、功能等，并给出了与MAX3100相关的Maxim元器件型号供参考。

MAX3100 - SPI/MICROWIRE兼容UART - 扩展控制器 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX3100 universal asynchronous receiver transmitter (UART) is the first UART specifically optimized for small microcontroller-based systems. Using an SPI™/MICROWIRE™ interface for communication with the host microcontroller (µC), the MAX3100 comes in a compact 24-pin-TQFN and 16-pin QSOP. The asynchronous I/O is suitable for use in RS-232, RS-485, IR, and opto-isolated data links. IR-link communication is easy with the MAX3100's infrared data association (IrDA) timing mode.

The MAX3100 includes a crystal oscillator and a baud-rate generator with software-programmable divider ratios for all common baud rates from 300 baud to 230k baud. A software- or hardware-invoked shutdown lowers quiescent current to 10µA, while allowing the MAX3100 to detect receiver activity.

An 8-word-deep first-in/first-out (FIFO) buffer minimizes processor overhead. This device also includes a flexible interrupt with four maskable sources, including address recognition on 9-bit networks. Two hardware-handshaking control lines are included (one input and one output).

The MAX3100 is available in 14-pin plastic DIP and small, 16-pin QSOP packages in the commercial and extended temperature ranges.

关键特性

以下关键特性由Maxim美信半导体提供：

Small TQFN and QSOP Packages Available

Full-Featured UART:

IrDA SIR Timing Compatible

8-Word FIFO Minimizes Processor Overhead at High Data Rates

Up to 230k Baud with a 3.6864MHz Crystal

9-Bit Address-Recognition Interrupt

Receive Activity Interrupt in Shutdown

SPI/MICROWIRE-Compatible µC Interface

Lowest Power:

150µA Operating Current at 3.3V

10µA in Shutdown with Receive Interrupt

+2.7V to +5.5V Supply Voltage in Operating Mode

Schmitt-Trigger Inputs for Opto-Couplers

TX and RTS Outputs Sink 25mA for Opto-Couplers

热门应用

手持式仪表(PDA、掌上电脑)

智能仪表

隔离型RS-232/RS-485：直接驱动光耦

低成本IR数据链接，用于计算机/外设

HVAC或楼宇控制中的小型网络

SPI系统中的UART

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