8qcnuv

Simple 232 serial port

Overview

Low-cost TTL to 232 serial port, suitable for 3.3V/5VDC TTL.

Frequent actual measurements, and oscilloscope serial port waveform, RS232 waveform verification, the performance is good, I would like to share it with everyone.

Design Files

All reference designs on this site are sourced from major semiconductor manufacturers or collected online for learning and research. The copyright belongs to the semiconductor manufacturer or the original author. If you believe that the reference design of this site infringes upon your relevant rights and interests, please send us a rights notice. As a neutral platform service provider, we will take measures to delete the relevant content in accordance with relevant laws after receiving the relevant notice from the rights holder. Please send relevant notifications to email: bbs_service@eeworld.com.cn.

It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

Hot

Technical Resources More

Search Datasheet?

Supported by EEWorld Datasheet

Technical Videos More

Forum More

Update:2025-06-21 10:50:24

Wince interrupt problem
I used to learn 4.2, and now I'm using 6.0. I found that the interrupts are very different. 1. It's easy to define an interrupt in wince4.2, and then use it in the driver or application. How to define
EVC cannot connect to the simulator
I installed EVC 4.0 + SP4 + PPC 2003 + PPC2003SE CHS and it worked fine some time ago. I don't know why, but today the simulator can't connect. After the program is compiled, it can't be downloaded to
CP2102 is the simplest and most user-friendly U-switch
Make a mark here, this is small and useful :loveliness: :loveliness: :loveliness: :loveliness:
51 MCU + LM3S811 + launchpad 430 100 out
3 small boards cost 100 yuan
Compiler automatic annotation program (especially recommended for beginners to download)
[i=s]This post was last edited by paulhyde on 2014-9-15 09:38[/i] With this program, you can automatically add comments to the assembly program without comments, so that novices can easily understand
Schematic diagram of sound-controlled light circuit
[Ask if you don't understand] I am currently studying a lot. Today, I came across a schematic diagram of a sound-controlled light circuit when looking at circuit diagrams. I have the following questio

Datasheet More

Circuits More