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Device selection support

Furkan Fehmi Sefiloglu
Expert 3118 points

Other Parts Discussed in Thread: CC2652R, CC2642R, CC2652R7

Hi Team,

Can you please check and advise here?

"

We are looking for BL or Zigbee supported microcontroller alternatives. In this context, at least the following features:
1. Preferably (not necessarily) have bluetooth low energy,
2. Have at least 3 UARTs,
3. It can wake up from very low power consumption sleep mode with a signal coming from UART,
4. If there is bluetooth, it can wake up from sleep mode via bluetooth,
5. At least 150KB Flash,
6. It will be in production for a long time without EOL,

What can you suggest to us?

Currently, we are also evaluating the following products:
1. Silabs EFR32BG22C112F352GM32-CR
2. ST STM32WB10CC
3. NXP K32W061

"

Thank in advance

Best Regards

Furkan Sefiloglu

  • +1
    TI__Guru** 101490 points

    Hi,

    Generally speaking, I would recommend to review the content of the 2.4GHz sharepoint (write "24g/" in the address bar of your web browser). There, you'll find our whole portfolio and the proper fight guides.

    In the case described, I guess CC2652R is the best device.

    1. Bluetooth LE support - Zigbee is also supported on this device. If Zigbee is not required, CC2642R can be considered instead of CC2652R.
    2. 2 UARTs available + a third UART that can be emulated using the sensor controller. Advantage: this allows extremely low power UART handling
    3. Continuous read on UART is NOT possible when a MCU is on standby mode. Using the sensor controller (as suggested before) will definitely be the most power effective solution
    4. Non relevant requirement - the device is waken up for each Bluetooth LE operation (same apply to our competitors)
    5. Assess if CC2652R is large enough. Otherwise, you can consider CC2652R7.
    6. See https://www.ti.com/support-quality/quality-policies-procedures/product-life-cycle.html

    I hope this will help,

    Best regards,