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Hi, I'm trying to transfer data from the ADS7863 to the MSP430F2013 at a rate of 2MSPS. Can anyone provide any details on how to do this (code examples, pcb layouts of these connected, or anything that would be beneficial through the data transfer process)?
Unfortunately, it won't be possible to get 2MSPS from the ADS7863 using the MSP430F2013. The MSP430F2013 runs off of a 16MHz clock, so the fastest SPI speed you could get is only 8MHz. The best transfer rate you could achieve is 500KHz. The next issue would be with the actual SPI interface itself, the ADS7863 is not really 'SPI' compatible, the RD input has to be one clock pulse high and needs to be synchronous with the SCLK, which would be difficult to achieve with the F2013. Tell us a little more about what you are trying to do and perhaps we can offer another solution for you.
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In reply to Tom Hendrick:
In short, I'm trying to transfer data into a analog to digital controller and then feed it to a microcontroller for further usage. This transfer needs to happen at a minimum speed of 2MSPS and based on the signal and other information gathered about the system, the ADC needs to be of type SAR with an SPI interface with 8-12 bits resolution.
Is there a microcontroller that would go with the ADS7863 (or another adc, the ADS7883 met the requirements) that would meet the sample rate as well as the other requirements?
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