MAX 3232 RS232 Serial Port To TTL Converter Module


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Detail about MAX 3232 RS232

MAX3232 RS232 Serial Port To TTL Converter Module DB9 Connector 5V RS232 to TTL + Female Serial TTL + serial modules / Brush board. This module can be used to serial port of microcontroller module expand DVD, router, hard drive and other equipment to upgrade. It is used in radio modification, phone flash, XBOX360 flash, GPS, vehicle detection DVD flash, hard disk repair set-top box upgrade. It can be used to program STC MCU, NXP MCU, Renesas MCU, STM32 MCU, N+-2EC MCU. This is small RS232 to TTL level serial converter module, suitable for any 3.3v or 5v target devices.


  • Matched RS232 UART extension line
  • Size: approx. 4.5 x 3cm (L*W)
  • Size: 27mm x 30mm / 1.06″x1.18″(inch) (approx)
  • Weight:16 g
  • Translator IC: MAX3232
  • TTL Header Pitch : 2.54mm / 0.1in
  • DB9 Connector Type: Female
  • Operating Voltage:3 V ~ 5.5 V
  • Maximum Datarate: 57.6 kbps (please see detailed test report)
  • Temperature range: -40°C ~ 85°C
  • Operation: Full Duplex
  • Protocol: RS232
  • Transceiver : 2 (1 TTL -> RS232 + 1 TTL <- RS232)
  • Receiver Hysteresis: 300mV

Pin Map

  • GND (0V)
  • TTL-TXD (Input of Module)
  • TTL-RXD (Output of Module)
  • VCC (3.0~5.5V)

DB9 Female Connector

  1. NC
  2. RS232 TX (Output of Module)
  3. RS232 RX (Input of Module)
  4. NC
  5. GND
  6. NC
  7. NC
  8. NC
  9. NC

Package Include

  • 1 x RS232 Serial TO TTL Converter Module
  • 4 x Jumper Wire


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MAX 3232 RS232 Serial Port To TTL Converter Module

MAX 3232 RS232 Serial Port To TTL Converter Module

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