• State
  • Locked Locked
  • Replies 3 replies
  • Subscribers 32 subscribers
  • Views 750 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

Need to recommend a MCU for my application

Apex
Prodigy 40 points


Hello,

If you could recommend a MCU for my application, I would really appreciate it.

Following is application specification.

MCU: TBD, need recommendation?

Display: 192 x64dot STN graphic LCD, 8-bit Data I/F (PN: LG192642-BMDWH6V)

Input: 12keys input

Sensor Input: Pressure sensor (Voltage output: 1~5V), considering 16-bit ADC

Clock output for stepping motor clock input: Need linear clock output contol up to 1MHz (dedicated stepping motor driver used)

Others: UART, I2C, SPI, USB, CAN, 16-bit DAC

Thanks.

  • 0
    TI__Guru 59540 points
    Generally speaking, the TM4C129 family of devices can support all of your requirements with the exception of the ADC voltage range and the DAC requirements. TM4C device configuration comparisons can be made using the product selection guide located at this link: www.ti.com/.../products.page

    You may want to have a look at the other MCU areas within TI as well such as the MSP43x family and the C2000 family of MCUs. This would be a good place to start looking across TI for a suitable MCU that has all of the features you're looking for: www.ti.com/.../embedded_processor.page
  • 0
    Guru 27665 points

    Apex said:
    Sensor Input: Pressure sensor (Voltage output: 1~5V), considering 16-bit ADC

    I don't think I've ever seen a pressure sensor capable of 16bits. The ones we use are 9 bits at best and if you use the total error band they are considerable less accurate and they are not particularly inexpensive.

    You also won't find a 16bit reference without spending a lot of money.

    Robert

  • 0 in reply to Robert Adsett
    Guru 47900 points
    May we note as well - that a 64 pixel (display field height) falls (somewhat) short of effectively and convincingly displaying ANY 16 bit data range.

    Over specification does not insure best performance. Instead - matching "real-world" capability to the specific task most always proves best...