RS232 SP3232 TTL to RS232 module, RS232 to TTL flashing line

SP3232 TTL to RS232 Level Conversion Module, Immersion Gold Board.With small size, stable performance, simple operation, insulation and flame retardancy

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Product Introduction

Name: RS232 SP3232 TTL to RS232 module, RS232 to TTL flashing line – Easyelecmodule
Availability: InStock

What is the RS232 module and what is its function?

The serial port of the single-chip microcomputer must undergo level conversion before it can communicate with the standard RS-232. The conversion chips for 5V are generally MAX232 or SP232, and for 3.3V, they are generally MAX3232 or SP3232.

The RS232 interface is a general serial communication standard, used to establish a reliable communication channel between a computer and external devices to achieve bidirectional data transmission. Through the RS232 interface, a computer can connect with various peripheral devices such as printers, modems, sensors, etc., to realize the control of devices and data exchange.

Applicable products: printers, scanners, sensors, etc.

It is commonly used in industrial automation control systems and communication equipment fields.

Key Specification

Spec	Details
Supply Voltage	3.0V–5.5V (works with both 3.3V and 5V MCUs—no voltage dividers needed).
RS232 Output Voltage	±5.5V (meets RS232 standards—works with all RS232 devices).
Data Rate	Up to 1Mbps (handles all common RS232 baud rates: 9600, 19200, 115200bps).
Operating Temperature	-40°C to +85°C (industrial grade—works in garages or freezers).
ESD Protection	±15kV (Human Body Model)—safe to handle without anti-static gear (but still be careful).
Power Use	5mA active, 1μA shutdown (won’t drain batteries in portable projects).

Wiring Instructions

Note: For both TTL and RS232 ends, TXD should be connected to RXD and RXD to TXD, with cross – pairing connection.

TTL (UART) end:

VCC: Connect to DC 3V – 5.5V.
GND: Connect to GND.
TXD: Connect to RXD of the TTL end of external equipment.
RXD: Connect to TXD of the TTL end of external equipment.

RS232 end:

RXD: Connect to TXD of the RS232 end of external equipment.
TXD: Connect to RXD of the RS232 end of external equipment.
GND: Connect to GND.

Main Uses

MCUs such as single – chip microcomputers and ARM communicate with computers through the computer’s serial port (COM port).
Radio modification, mobile phone flashing, XBOX360 flashing, GPS, automobile detection, DVD flashing, hard disk maintenance, and set – top box upgrade.
Serial port expansion of devices.

SP3222E_SP3232E Datasheet：https://easyelecmodule.com/wp-content/uploads/SP3222E_SP3232E-datasheet-1.pdf

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SP3232 TTL to RS232 module gold - plated small board

SP3232 dual - channel gold - plated small board brush machine module

Price range: $0.49 through $0.99

specification

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SKU: N/A Category: TTL TO RS232 Tag: TTL TO RS232

DESCRIPTION AND FEATURES

Spec	Details
Supply Voltage	3.0V–5.5V (works with both 3.3V and 5V MCUs—no voltage dividers needed).
RS232 Output Voltage	±5.5V (meets RS232 standards—works with all RS232 devices).
Data Rate	Up to 1Mbps (handles all common RS232 baud rates: 9600, 19200, 115200bps).
Operating Temperature	-40°C to +85°C (industrial grade—works in garages or freezers).
ESD Protection	±15kV (Human Body Model)—safe to handle without anti-static gear (but still be careful).
Power Use	5mA active, 1μA shutdown (won’t drain batteries in portable projects).

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RS232 SP3232 TTL to RS232 module, RS232 to TTL flashing line

Product Introduction

What is the RS232 module and what is its function?

Key Specification

Wiring Instructions

Main Uses

Reviews

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RS232 SP3232 TTL to RS232 module, RS232 to TTL flashing line