8.4.7.5 Serial Port Auto Timeout

The serial interface is reset each time CS is taken high. However, for applications that tie CS low, the serial port cannot be reset by taking CS high. The ADS1284 provides a feature that automatically recovers the interface when a transmission is stopped or interrupted, or if a noise glitch appears on SCLK. To reset the serial interface remotely, hold SCLK low for 64 DRDY cycles. The reset of the serial interface results in termination of data transfer or commands in progress. After serial interface reset occurs, the next SCLK pulse starts a new communication cycle. To prevent remote reset of the interface, pulse SCLK at least once for every 64 DRDY pulses.