TMS374 ECU Decoder MCU Version

by BOWShine Technology Trade Co., Limited Gerneral Manager

TMS374 ECU decoder is a frequency sweeper with 5V square wave output (Duty cycle 50%, effective frequency range from over 10kHz (max 50kHz) to 50Hz) .TMS374 ECU decoder can be also considered as a MCU

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TMS374 ECU Decoder MCU Version
TMS374 ECU Decoder
ECU Decoder MCU Version
TMS374
ECU Decoder

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Review on TMS374 ECU Decoder MCU Version

CU
2. Connect the GND line to any suitable GND on the ECU
3. Connect the Data line to the Reset pin on the 27C512 or 28F512
4. Without the need of a laptop

TMS-374 Decoder ECU info
A small tiny2313 MCU is used to generate the pulses instead of the PC RS232 Tx line. The TMS 374 software is in fact a simple frequency sweeper with an effective range from about 2000Hz to about 100Hz. The Tiny sweeper does exactly the same but much more better (bigger range).
After powering the device on - the LED should blink twice. Pressing the button will start the sweep procedure. LED ON - means there are pulses on the output. After reaching the lowest frequency the LED goes off and the mcu stops the generation.

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