STMicroelectronics AN3174 Application Note Implementing IR Receivers using STM32F10xxx

This application note provides a generic solution for implementing an IR receiver in software using a STM32F10xxx microcontroller.

Brand: STMicroelectronics
Category: microcontrollers
Document type: Application Note
Language: English
Pages: 34
File format: PDF
File size: 592 KB
Published: 07 August, 2012
Updated: 30 September, 2023
Model: STM32F10XXX
MD5 checksum: 43D7CEC65C10DA6684F1213A0E786113
PDF: STMicroelectronics AN3174 Application Note Implementing IR Receivers using STM32F10xxx PDF

About this manual

This application note provides a generic solution for implementing infrared (IR) receivers in software using STM32F10xxx microcontrollers. It covers hardware considerations, such as using integrated IR receiver/demodulator modules like TSOP1736 or TSOP34836, and explains how to decode IR pulses using the microcontroller's timer peripherals.

What's inside

Hardware considerations
Generic solution
RC5 protocol solutions
SIRC infrared control solution
Interface layer
How to use the IR driver
How to customize the IR driver
Conclusion
Revision history

Specifications

IR carrier frequency	36 kHz, 38 kHz or 40 kHz
RC5 bit length	1.778 ms
RC5 message time	23.644 ms to 26.133 ms
RC5 idle time	50 bits wide

Frequently asked questions

Which IR receiver modules are recommended for STM32?

Integrated IR receiver/demodulator modules like the TSOP1736 (5 V supply version) or TSOP34836 (3.3 V supply version) are recommended.

What protocols are supported in this application note?

Example software implementations are provided for RC5 and SIRC protocols, with other protocols available upon request.

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