PDD=value1, MDWC=value1, CDSEL=value1, CDWC=value1, CDEN=value1
Global Test Functions Register
| CDGR | Converter Diagnostics Group |
| CDEN | Converter Diagnostics Enable 0 (value1): All diagnostic pull devices are disconnected 1 (value2): Diagnostic pull devices connected as selected by bitfield CDSEL |
| CDSEL | Converter Diagnostics Pull-Devices Select 0 (value1): Connected to VAREF 1 (value2): Connected to VAGND 2 (value3): Connected to 1/3rd VAREF 3 (value4): Connected to 2/3rd VAREF |
| CDWC | Write Control for Conversion Diagnostics 0 (value1): No write access to parameters 1 (value2): Bitfields CDSEL, CDEN, CDGR can be written |
| PDD | Pull-Down Diagnostics Enable 0 (value1): Disconnected 1 (value2): The pull-down diagnostics device is active |
| MDWC | Write Control for Multiplexer Diagnostics 0 (value1): No write access to parameters 1 (value2): Bitfield PDD can be written |