Setting CHnSET[3:0] = 0101 provides internally-generated test signals for use in sub-system verification at power-up. This functionality allows the entire signal chain to be tested out. Although the test signals are similar to the CAL signals described in the IEC60601-2-51 specification, this feature is not intended for use in compliance testing.
Test signals are controlled through register settings (see the CONFIG2: Configuration Register 2 subsection in the Register Maps section for details). INT_TEST enables the test signal and TEST_FREQ controls switching at the required frequency.
NOTE:MVDD monitor voltage supply depends on channel number; see the Supply Measurements (MVDDP, MVDDN) section.