A/D Compare Register 1
| CMPEN | Compare Enable 1 = Enable compare. 0 = Disable compare. Set this bit to 1 to enable ADC controller to compare CMPD[11:0] with specified channel conversion result when converted data is loaded into ADDR register. |
| CMPIE | Compare Interrupt Enable 1 = Enable 0 = Disable If the compare function is enabled and the compare condition matches the setting of CMPCOND and CMPMATCNT, CMPF1 bit will be asserted, in the meanwhile, if CMPIE is set to 1, a compare interrupt request is generated. |
| CMPCOND | Compare Condition 1 = Set the compare condition as that when a 12-bit A/D conversion result is greater or equal to the 12-bit CMPD (ADCMPR1[27:16]), the internal match counter will increase one. 0 = Set the compare condition as that when a 12-bit A/D conversion result is less than the 12-bit CMPD (ADCMPR1[27:16]), the internal match counter will increase one. When the internal counter reaches the value to (CMPMATCNT +1), the CMPF1 bit will be set. |
| CMPCH | Compare Channel Selection 000 = Channel 0 conversion result is selected to be compared. 001 = Channel 1 conversion result is selected to be compared. 010 = Channel 2 conversion result is selected to be compared. 011 = Channel 3 conversion result is selected to be compared. 100 = Channel 4 conversion result is selected to be compared. 101 = Channel 5 conversion result is selected to be compared. 110 = Channel 6 conversion result is selected to be compared. 111 = Channel 7 conversion result is selected to be compared. |
| CMPMATCNT | Compare Match Count When the specified A/D channel analog conversion result matches the compare condition defined by CMPCOND[2], the internal match counter will increase 1. When the internal counter reaches the value to (CMPMATCNT +1), the CMPF1 bit will be set. |
| CMPD | Comparison Data The 12 bits data is used to compare with conversion result of specified channel. Software can use it to monitor the external analog input pin voltage transition in scan mode without imposing a load on software. The following description is only supported in Low Density. When DMOF bit is set to 0, ADC comparator compares CMPD with conversion result with unsigned format. CMPD should be filled in unsigned format. When DMOF bit is set to 1, ADC comparator compares CMPD with conversion result with 2’s complement format. CMPD should be filled in 2’s complement format. |