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Help me with a decision: CC13xx or CC12xx ?

Other Parts Discussed in Thread: CC1310, CC1200, CC1190

Hi. We are starting a RF-link project with these requeriments:

1 - Data rate: >=  200 kbps

2 - We have to take measurements in our PCB using an ADC and transmit them to another RF chip.

3 - Range: 0 to > 100 km . (line of sigth, we are planning to use an antena with an important gain)

4 - Frequency: later 800MHz or around 900 MHz

First we choose CC1310 because it has a MCU on-chip that makes our PCB smaller and a little less expensive because the MCU is pretty good. The problem I found (in digikey and in datasheet) is that the maximum data rate of CC1310 is about 50 kbps and not all frequencies are available. Also, the chip is new, so I'm not sure if it is recommended to use it with new designs.


It seems that the chip that best fits our requeriments is CC1200, instead we have to add a MCU (perhaps we can use a MSP430 like in the evaluation board). What do you think, gurus? I really appreciate your concern helping me to choose the rigth/best option.I have read some application notes but if you want to recommend me some documents, I'll be glad.

Regards, Santiago

  • I would use the CC1310 since this has radio + MCU + ADC and the Sensor Controller Engine is custom built to make sensor readings (including use of ADC) energy efficient. CC1310 supports up to 1 Mbps with the proprietary API and 4 Mbps with the high speed API (available in the latest TI-RTOS release)
  • Thanks for your answer TER. What about sensitivity between CC1310 and CC12xx? Can I use the CC1310 in addition to CC 1190 to increase output power and to improve sensitivity? CC12xx can be used with CC1190. What debugging tool I must buy to programm CC1310?

    Thanks

  • In April we will start selling Launchpads and then the anything you have to buy is two boards for $29 apiece. They have built in XDS110 enabling debugging and flashing. The SmartRF06 board also have a XDS100v3 built in enabling debugging.

    CC1190 can be used with CC1310.

    The sensitivity for CC1310 and CC1200 is about the same for the same datarate etc.
  • Can you please point me to the documentation for the API to access the 4 Mbps mode?  Will SmartRF Studio be supporting these modes soon?

  • The HTML documentation is here (given default install path):

    file:///C:/ti/tirtos_cc13xx_cc26xx_2_16_00_08/products/cc13xxware_2_03_01_16780/doc/driverlib/group__hs__cmd.html

    The new PER test which will be included in the next TI_RTOS release will have HSM included. SmartRF Studio will also come with support for it.