PIC16F688-I/ST View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
PIC16F688-I/ST
Microchip Technology
PIC16F688-I/ST Datasheet PDF : 202 Pages
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PIC16F688
REGISTER 7-1: CMCON0: COMPARATOR CONFIGURATION REGISTER
R-0
C2OUT
bit 7
R-0
C1OUT
R/W-0
C2INV
R/W-0
C1INV
R/W-0
CIS
R/W-0
CM2
R/W-0
CM1
R/W-0
CM0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2-0
C2OUT: Comparator 2 Output bit
When C2INV = 0:
1 = C2 VIN+ > C2 VIN-
0 = C2 VIN+ < C2 VIN-
When C2INV = 1:
1 = C2 VIN+ < C2 VIN-
0 = C2 VIN+ > C2 VIN-
C1OUT: Comparator 1 Output bit
When C1INV = 0:
1 = C1 VIN+ > C1 VIN-
0 = C1 VIN+ < C1 VIN-
When C1INV = 1:
1 = C1 VIN+ < C1 VIN-
0 = C1 VIN+ > C1 VIN-
C2INV: Comparator 2 Output Inversion bit
1 = C2 output inverted
0 = C2 output not inverted
C1INV: Comparator 1 Output Inversion bit
1 = C1 Output inverted
0 = C1 Output not inverted
CIS: Comparator Input Switch bit
When CM<2:0> = 010:
1 = C1IN+ connects to C1 VIN-
C2IN+ connects to C2 VIN-
0 = C1IN- connects to C1 VIN-
C2IN- connects to C2 VIN-
When CM<2:0> = 001:
1 = C1IN+ connects to C1 VIN-
0 = C1IN- connects to C1 VIN-
CM<2:0>: Comparator Mode bits (See Figure 7-5)
000 = Comparators off. CxIN pins are configured as analog
001 = Three inputs multiplexed to two comparators
010 = Four inputs multiplexed to two comparators
011 = Two common reference comparators
100 = Two independent comparators
101 = One independent comparator
110 = Two common reference comparators with outputs
111 = Comparators off. CxIN pins are configured as digital I/O
© 2007 Microchip Technology Inc.
DS41203D-page 61
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