MAX232cse chip introduction

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MAX232cse chip introduction [Copy link]

1. Serial port 232 chip

MAX232cse chip introduction

RS232 interface chip MAX232, SOP package mainly has the following models: MAX232CSE, MAX232ESE. If the suffix letter is "C", it means commercial grade, if it is "E", it means industrial grade.

The second letter of the suffix contains "S", which stands for SOP package.

The letter after the suffix with “+” indicates a lead-free product.

Special instructions:

The MAX232A with "A" includes MAX232ACSE and MAX232AESE, which use 0.1uF external capacitors and have a rate of 200kbps. The MAX232 uses a 1uF external capacitor and has a rate of 120kbps.

2. Serial port

The serial port socket uses a DB9 female connector, so you can use a purchased PC serial port extension cable to connect it to the computer, or you can directly connect it to the computer's com port.

DB9 Connector

3. MAX232 serial port download and communication experimental circuit