module mega mcu
rusefillc edited this page Jun 9, 2023
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15 revisions
mega mcu is part of the second generation of hellen ECU modules. mega mcu consists of what what previously done separately:
- mcu
- input module
- ignition module with LEDs
- CAN transceiver
- reset & PROG/DFU buttons
- SD card
- 3.3 reference voltage for WBO modules (WBO modules NOT part of mega)
- baro & accelerometer sensors
OUT_PWR_EN with pulldown. Logic high enables:
- V33_SWITCHABLE;
- V5A_SWITCHABLE;
- uSD card;
- input submodule: OpAmps, multiplexer, pullups;
- TLS115 protected 5V output if connected to power 12 and 5 module.
power supply: sleep mode fixes
Power supply architecture update
It's alive and it's compact!