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CC2650MODA: Help with product selection (CC2650MODA or WL183xMOD)?

Jeffrey Kleck42
Prodigy 250 points
Part Number: CC2650MODA
Other Parts Discussed in Thread: WL1835MOD, CC2640, WL1837MOD, CC3120, TIDC-01005, CC3200, CC2650

I am looking to find a solution that allows my IoT application to communicate easily with a smartphone app both using BLE for establising communication but also WiFI for transferring large amounts of data. Does TI have a device that supports this?  Would I use CC2650MODA MCU module or do I use WL183xMOD module connected to my system MCU?

  • 0
    TI__Mastermind 19125 points
    Hello ,

    You would need to use the WL183xMOD, theCC2650 does not support WiFi.

    Regards,
    AB
  • 0 in reply to AB
    Prodigy 250 points
    Is there a SimpleLink MCU that would be better for my application that supports both WiFi and BLE?
  • 0 in reply to Jeffrey Kleck42
    TI__Mastermind 19125 points
    Hello Jeffrey,

    No, we do not have a simplelink single chip solution for both WIFI and BLE, but you can have a two chip solution. Take a look at this TI Design:
    www.ti.com/.../swaa169.pdf

    Regards,
    AB
  • 0 in reply to AB
    Prodigy 250 points
    Since I may need to incorporate a third chip to perform the MPEG/JPEG encoding and connect to my CMOS image sensor, would it be better to use the WL1835MOD or WL1837MOD module to perform the BLE and WiFi operation? I suspect the WL183xMOD module is not as easily incorporated as the SimpleLink modules are. If I use two SimpleLink chips, does it matter the order? Who should be the master host? In my application, BLE module controls when to establish the WiFi link and when to turn the link off. So maybe the CC3120 would be a better choice with the CC2640 MCU.
  • 0 in reply to Jeffrey Kleck42
    TI__Mastermind 29085 points

    Hi Jeffrey,

    The main factor you'll probably want to consider is whether or not you intend to develop with a Linux based host or an MCU host running an RTOS. WiLink devices are typically used with MPUs running Linux, which could integrate image or video encoding capabilities. This may be the most straightforward way to handle the design. Especially if you think you could need the higher bandwidth or multi-role support. Alternatively, the design could be done with two SimpleLink devices (Wi-Fi and BLE) plus the third chip that you've mentioned. In this case, I would recommend looking at the CC3220 as the main host since it will give you the flexibility to move to the SF variant if you end up needing the additional 1MB on-chip flash for the application. However, you'll definitely need to consider the interfaces between the devices. There is an example for provisioning the CC3220 to a Wi-Fi network over BLE based on the SAP+SNP model available in the SimpleLink SDK Bluetooth Plugin (this is what is demonstrated in TIDC-01005 and documented in swaa169). If the SAP+SNP model doesn't fit your requirements, you'll probably need to create your own interface solution. Also, there is not a hardware based co-existence solution supported by the CC3220 device. This should be kept in mind since it seems you intend to have both active at the same time in your design.

    Best Regards,

    Ben M

  • 0 in reply to Benjamin Moore
    Prodigy 250 points
    What I really need is how easily can the SimpleLink software be ported to another MCU interfaced with the WL18xxMOD module? Is the SimpleLink software open-source? Is TI working on a dual-band SimpleLink module that will support both BLE and Wi-Fi? I don't have the PCB space to have a CMOS image sensor, Host/Video processor, CC2650, and CC3200 for all my RF needs.
  • 0 in reply to Jeffrey Kleck42
    Prodigy 250 points
    If I use the CC3200 for Wi-Fi, can it also be programmed to perform the BLE function? Can I switch protocols on the fly? Are both BLE and Wi-Fi protocols compatible at the physical layer?
  • 0 in reply to Jeffrey Kleck42
    TI__Mastermind 19125 points
    Hell Jeffrey,

    No, CC3200 cannot be programmed to do both WiFi and BLE on the device. The radio does not support both PHYs

    Regards,
    AB
  • 0 in reply to AB
    TI__Mastermind 29085 points
    Jeffrey,

    Yes, AB is correct. It cannot support both. In terms of the networking subsystem firmware in ROM on the SimpleLink Wi-Fi device, it is not open source and can't be ported to another MCU working with a WiLink module. For information on our roadmap, you will have to reach out to a TI sales contact as we do not discuss it on E2E.

    Best Regards,
    Ben M