18.3.4 DACx Control Low Register

Note:
  1. CMP6 is tied to AVSS.
Name: DACxCMP
Offset: 0x1D4C, 0x1D60, 0x1D74, 0x1D88, 0x1D9C, 0x1DB0, 0x1DC4, 0x1DD8

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
      HYSPOLHYSSEL[1:0] 
Access R/WR/WR/W 
Reset 000 
Bit 15141312111098 
      CBE FLTREN 
Access R/WR/W 
Reset 00 
Bit 76543210 
 CMPSTATCMPPOLINPSEL[2:0]INNSEL[2:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

Bit 18 – HYSPOL Comparator Hysteresis Polarity Select bit

ValueDescription
1

Hysteresis is applied to the falling edge of the comparator input.

0

Hysteresis is applied to the rising edge of the comparator input.

Bits 17:16 – HYSSEL[1:0] Comparator Hysteresis Select bits

ValueDescription
11

45 mv hysteresis

10

30 mv hysteresis

01

15 mv hysteresis

00

No hysteresis is selected

Bit 10 – CBE Comparator Blank Enable bit

ValueDescription
1

Enables the analog comparator output to be blanked (gated off) during the recovery transition following the completion of a slope operation.

0

Disables the blanking signal to the analog comparator; therefore, the analog comparator output is always active.

Bit 8 – FLTREN Comparator Digital Filter Enable bit

ValueDescription
1

Digital filter is enabled.

0

Digital filter is disabled.

Bit 7 – CMPSTAT Comparator Status bit

Current state of comparator output, including CMPPOL selection

Bit 6 – CMPPOL Comparator Output Polarity Control bit

ValueDescription
1

Output is inverted.

0

Output is non-inverted.

Bits 5:3 – INPSEL[2:0] Comparator Positive Input Source Select bits

ValueDescription
0101 ALLCMP
0100 Bandgap 0.8V
0011 CMPxD(1)
0010 CMPxC
0001 CMPxB
0000 CMPxA

Bits 2:0 – INNSEL[2:0] Comparator Negative Input Source Select bits

ValueDescription
0101 CMPFN
0100 CMPEN
0011 CMPDN
0010 CMPCN
0001 AVSS
0000 DACx