the other day while traveling by bus I wondered why cc25x0 SoC use to employ 8051 MCU's, while as far as I know, the MSP430 from TI is much better in terms of energy consumption (LPM3 / LPM4).
Perhaps it is because of severe time requirements in Bluetooth Low Energy, for example, that would impede MSP430 to go lower than LPM2 and then the energy savings would be not this pronounced?
It is just a silly question but I'll like to know your opinion. I've just started developing with the MSP430 Launchpad and I'm having a lot of fun ;)
PS: Will the SimpleLink BLE solution feature a 8051 or a MSP430? When will be available? :) Thanks!
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i think it's because CC25x0 is from Chipcon, which is acquired by TI before
As the other poster guessed, it mostly has to do with the fact that we started off with 8051 before we were acquired by TI, and that it is a big task to switch cores. For time-to-market reasons we didn't make the switch. For BLE, I think the main advantage of using MSP430 for BLE in practical terms would be lower active MCU current. The PM2 current of CC2540/41 is already so low that there is not so much to gain there.
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