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  • Other Considerations:

    • Clock frequency

    • More ram, 32 kB sometimes tight

    • Other cool features (such as native flash-over-CAN)

    • Prevalence in industry

    • Vendor support

      • Do lots of libraries work on it?

      • Is there a good HAL (hardware abstraction library) for it from the manufacturer?

      • Is there good tooling/build support?

      • IDE

    • Standard features (ADC, DAC, I2C, SPI, timers, UART, 3.3V digital high, 3.3 or 5V power supply, etc.)

  • Sampling programs for more expensive MCUs

  • Package should have exposed pins (No BGA or QFN)

  • Manufacturers checked:

    • NXP: MCUs that support CAN FD don’t seem to have an internal DAC

    • Microchip: Have checked 32-bit cores, don’t seem to have 32-bit dual cores that support CAN interface, 16-bit dual core options have max 20 kB of RAM

    • STMicroelectronics: No 16-bit dual cores, 32-bit dual cores start at $27, to check checked 32-bit single corescore

    • Texas Instruments: TODO

    • Renesas: TODO

    • Infineon Technologies: TODO

    • Cypress Semiconductor Corp: TODO

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