Datasheet

ADS1258-EP

SBAS445D –MARCH 2009– REVISED MARCH 2011

www.ti.com

4. Configure the Registers: The registers are Convert command sent through the interface.

configured by writing to them either sequentially

7. Read Channel Data: The DRDY asserts low

or as a group. The user may configure the

when data is ready. The channel data can be

software in either mode. Any write to the

read at that time. If DRDY is not used, the

Auto-Scan channel-select registers resets the

updated channel data can be checked by reading

channel pointer to the channel of highest priority.

the NEW bit in the status byte. The status byte

5. Verify Register Data: The register data may be also indicates the origin of the channel data. If

read back for verification of device the data for a given channel is not read before

communications. DRDY asserts low again, the data for that

channel is lost and replaced with new channel

6. Start the Converter: The converter can be

data.

started with the START pin or with a Pulse

Product Folder Link(s): ADS1258-EP