Datasheet > LPM232-B

LPM232-B

更新时间： 2024-10-14 11:39:31

品牌	Logo	应用领域
其他 - ETC		转换器
页数	文件大小	规格书
4页	133K
描述
Serial Converter

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中文翻译

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数据手册

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LPM232-B 数据手册

LPM232ꢀB Serial Converter

www.lpelettronica.it

Doc. Rev.0 (30/12/10)

Features

•

AllꢀInꢀOne Serial Converter RS232ꢀCMOS/TTL.

Wide Supply Voltage Range 3.0V to 5.5V.

Data rate up to 250kbps.

No external components required.

Low Shutdown current consumption 1ꢁA.

Enable pin to disable TX output (threeꢀstate).

Very small footprint (39x14.6mm).

Pitch 2.54mm (100mils) for easy mouting on prototype

boards.

•

Typical Application: connection of microcontroller to PC

through RS232 serial cable.

Description

LPM232ꢀB is a special serial connector with builtꢀin RS232ꢀCMOS/TTL converter.

The LPM232 size is similar to the one of a standard RS232 connector (lateral module’s pin added), but it

incorporates also the RS232ꢀCMOS/TTL conversion logic so you save a lot of space on the board.

The module allows to connect directly an RS232 device (i.e. a PC) to a CMOS/TTL device (i.e. a microcontroller).

It is provided also with /SHDWN pin that puts the module in Shutdown mode for very low power consumption.

There is also an /EN pin that if pulled high disables the output lines of the module RS232ꢀTX and RS232ꢀRTS

putting them in threeꢀstate.

Typical Application

VCC

/EN

/SHDWN

LPM232ꢀB

MICROCONTROLLER

RS232-TX

RS232-RX

UART-RX

UART-TX

RS232-RTS

RS232-CTS

UART-RTS

UART-CTS

GND

Figure 1 – Typical Application schematic

12 3 4

中文翻译

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