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  • CC2640: Tuning Bluetooth parameters - scan window and scan interval

    Part Number: CC2640 Tool/software: Hello TI support I am working for Honeywell BMS group from Duluth GA. We are using CC2640 in our product Inncom E7 thermostat for Bluetooth communication. We suspect CC2640 chip being too slow processing in Bluetooth…

  • CC2640: CC2640 Pullup a UART Rx pin

    TI Thinks Resolved
    Part Number: CC2640 Other Parts Discussed in Thread: LAUNCHXL-CC2650 , CC2650 Hi everyone, I need to pullup a UART Rx pin (IOCFG8: PULL_CTL = 0x2). But after calling UART_open() IOCFG8 is set: PULL_CTL = 0x3 What am I doing wrong? Board_UART_RX |…
    • Answered

  • CC2640: CC2540EMK-USB Alternative for CC2640 Device

    Resolved
    Part Number: CC2640 Other Parts Discussed in Thread: CC2540EMK-USB , I have used the 2540 eval tool with BTool for BLE testing. What tool would I use for BLE 2 testing? I see that 2640 stack. Is there a similar tool to the CC2540EMK-USB for the 2640 stack…
    • Resolved

  • CC2640: Optimize Stack utilization for reducing the flash size consumption

    TI Thinks Resolved
    Part Number: CC2640 Tool/software: Hi, I'm using sdk version 2.2.8 for implementing secure channel in CC2640 taking reference project as simpleperipheral. After enabling secure channel feature in build_config.opt (-DBLE_V42_FEATURES=SECURE_CONNS_CFG…

  • CC2640： After the CC2640 is programmed, the part crashes when the power is turned on again.

    TI Thinks Resolved
    Part Number: CC2640 大家好： 生产阶段发现部分设备烧写程序后死机，重新上电后晶振不振动； 当通过硬件手动对 Pin35 RESET 引脚施加低电平外部复位时，设备仍然没有响应，但在该引脚上加 VCC3.3V 电压可以唤醒设备并正常工作； 但一旦断电，又会回到死机状态。 当RESET加3.3V高电平时，可以再次唤醒； 通过筛选，我们发现量产阶段的OK板在器件RESET引脚加低电平即可正常复位，加高电平没有变化； 我们测量的VDDS、DCOUPL、VDDR引脚电压均正常…

  • CC2640: Max & Min limits for Tx performance on CC2640 datasheet

    Part Number: CC2640 Hi, My customer dealing with Telec certification and was informed that a spec is required for Tx power level as well as a limit for +20 to -80% tolerance. However in our datasheet only the typical value is listed. May I know…
    • Answered

  • CC2640: After the CC2640 is programmed, the part crashes when the power is turned on again.

    Resolved
    Part Number: CC2640 Hi Team: In the production stage, it was found that some devices crashed after the program was programmed, and the crystal oscillator did not vibrate after being powered on again; through hardware, manually adding a low level to…
    • Resolved
    • Answered

  • CC2640R2F: Adding Additional Characteristic UUID in BLE Profile (TI CC2640)

    Resolved
    Part Number: CC2640R2F Tool/software: Hi Team, I am trying to add an additional characteristic UUID to the sample code for my BLE - peripheral project, but I have not been successful. I am unable to add the UUID. Could you please suggest any possible…
    • Resolved

  • CC2640: BT

    TI Thinks Resolved
    Part Number: CC2640 We had a requirement where the TI bt chip CC2640 needed to be controlled from the host CPU and the TI bt chip CC2640 needed to act both as a peripheral and central, based on the need. While trying out, we figured out that running …

  • CC2640: update cc2640 on windows without LAUNCHXL-CC2640

    Part Number: CC2640 Hi. 1. is there any program to update cc2640 with windows windows without LAUNCHXL-CC2640. using the laptop's built-in bluetooth? 2. there is also a problem that on some phones it hangs on 1 block through the stater program, but…

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