Microchip Technology IC PIC MCU PIC16F1937-I/PT TQFP-44 MCP PIC16F1937-I/PT Data Sheet

Product codes
PIC16F1937-I/PT
Page of 472
PIC16(L)F1934/6/7
DS41364E-page 184
 2008-2011 Microchip Technology Inc.
  
  
REGISTER 18-2:
CMxCON1: COMPARATOR CX CONTROL REGISTER 1
R/W-0/0
R/W-0/0
R/W-0/0
R/W-0/0
U-0
U-0
R/W-0/0
R/W-0/0
CxINTP
CxINTN
CxPCH<1:0>
CxNCH<1:0>
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
u = Bit is unchanged
x = Bit is unknown
-n/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set
‘0’ = Bit is cleared
bit 7
CxINTP:
 Comparator Interrupt on Positive Going Edge Enable bits
1
 = The CxIF interrupt flag will be set upon a positive going edge of the CxOUT bit
0
 = No interrupt flag will be set on a positive going edge of the CxOUT bit
bit 6
CxINTN:
 Comparator Interrupt on Negative Going Edge Enable bits
1
 = The CxIF interrupt flag will be set upon a negative going edge of the CxOUT bit
0
 = No interrupt flag will be set on a negative going edge of the CxOUT bit
bit 5-4
CxPCH<1:0>:
 Comparator Positive Input Channel Select bits
00
 = CxVP connects to CxIN+ pin
01
 = CxVP connects to DAC Voltage Reference
10
 = CxVP connects to FVR Voltage Reference
11
 = CxVP connects to V
SS
bit 3-2
Unimplemented: 
Read as ‘0’
bit 1-0
CxNCH<1:0>:
 Comparator Negative Input Channel Select bits
00
 = CxVN connects to C12IN0- pin
01
 = CxVN connects to C12IN1- pin
10
 = CxVN connects to C12IN2- pin
11
 = CxVN connects to C12IN3- pin
REGISTER 18-3:
CMOUT: COMPARATOR OUTPUT REGISTER
U-0
U-0
U-0
U-0
U-0
U-0
R-0/0
R-0/0
MC2OUT
MC1OUT
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
u = Bit is unchanged
x = Bit is unknown
-n/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set
‘0’ = Bit is cleared
bit 7-2
Unimplemented: 
Read as ‘0’
bit 1
MC2OUT:
 Mirror Copy of C2OUT bit
bit 0
MC1OUT:
 Mirror Copy of C1OUT bit