JAJSHV5B June 2017 – August 2019 ADS1287
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The WREG command writes a single register byte or writes multiple register bytes. The command consists of a two-byte argument followed by the register data to write. The first byte of the argument is the register starting address and the second byte specifies the number of registers to write minus one.
First command byte: 010r rrrr, where rrrrr is the starting address of the first register.
Second command byte: 000n nnnn, where nnnnn is the number of registers to write minus one.
Data bytes: one or more register data bytes, depending on the number of registers specified.
Figure 67 shows the WREG command. See the Timing Requirements table for the specification of the td(CMBT) parameter.
After writing to the ADC registers, the ADC synchronizes at the time of the write operation. ADC synchronization is re-established in pulse-sync mode by pulsing the SYNC pin at the desired time mark. In continuous-sinc mode, the previous synchronization is restored at any time by sending the STANDBY, WAKEUP command sequence; see the Continuous-Sync Mode section for details.