ADS131M02: About the WREG command

Shuji Ishiwata

Mastermind 6335 points

Part Number: ADS131M02
Other Parts Discussed in Thread: ADS131M04

Tool/software:

Hi All,

I have a question about the ADS131M02.

What should I actually set for the WREG COMMAND WORD in the table below?
Does this mean writing ７bit data to ８bit data?

If you have any sample code, please share it.

Best Regards,
Ishiwata

4 months ago

0 Dale Li 3 months ago

TI__Mastermind 38195 points

Hi Ishiwata,

Are you talking about the table 8-11 in the data sheet? Can you point out the７bit data you mentioned?

There is a section 9.1.6 Code example in ADS131M02 datasheet, and also you can download the example code from the link:

SBAC254 — ADS131M0x Example C Code

BR,M

Dale

0 Shuji Ishiwata 3 months ago in reply to Dale Li

Mastermind 6335 points

Hi Dale,

My apologies. I asked about Table 8-11.

Thank you for the code example. I will provide this to my customer. I will also develop the sample C code you provided.

Best Regards,
Ishiwata

0 Dale Li 3 months ago in reply to Shuji Ishiwata

TI__Mastermind 38195 points

Hi Ishiwata,

Below is a timing example to write CLOCK register (0x03 address) on ADS131M04 which has the same timing requirement as ADS131M02 ADC. The 2nd frame below just shows you the response from the ADC for your command in the 1st frame. If you are using /CS signal, you can just send the word of WREG command plus the word of register data, no need to send the rest of words (all 0s) to the ADC.

BR,

Dale

Data converters

Data converters forum

ADS131M02: About the WREG command