MCP1726T-ADJZEMF Microchip Technology, MCP1726T-ADJZEMF Datasheet - Page 59

• Manufacturer Part Number: MCP1726T-ADJZEMF
• Description: Regulator, Extended Industrial, HVSON, 8-Pin|
• Manufacturer: Microchip Technology

9.3
There are eight modes of operation for the comparator.
The CMCON0 register is used to select these modes.
Figure 9-3 shows the eight possible modes. The
TRISIO register controls the data direction of the
comparator pins for each mode.
FIGURE 9-3:
 2003 Microchip Technology Inc.
Comparator Reset (POR Default Value - low power)
CM2:CM0 = 000
Comparator without Output
CM2:CM0 = 010
Comparator with Output and Internal Reference
CM2:CM0 = 011
Comparator with Output
CM2:CM0 = 001
A = Analog Input, ports always reads ‘0’
D = Digital Input
CIS = Comparator Input Switch (CMCON0<3>)
GP1/CIN-
GP0/CIN+
GP2/COUT
GP1/CIN-
GP0/CIN+
GP2/COUT
GP1/CIN-
GP0/CIN+
GP2/COUT
GP1/CIN-
GP0/CIN+
GP2/COUT
Comparator Configuration
A
A
D
A
A
D
A
D
D
A
A
D
COMPARATOR I/O OPERATING MODES
From CV
REF
Module
Off (Read as ‘0’)
COUT
COUT
COUT
Advance Information
Comparator Off (Lowest power)
CM2:CM0 = 111
Comparator w/o Output and with Internal Reference
CM2:CM0 = 100
Multiplexed Input with Internal Reference and Output
CM2:CM0 = 101
Multiplexed Input with Internal Reference
CM2:CM0 = 110
GP1/CIN-
GP0/CIN+
GP2/COUT
GP1/CIN-
GP0/CIN+
GP2/COUT
GP1/CIN-
GP0/CIN+
GP2/COUT
GP1/CIN-
GP0/CIN+
GP2/COUT
If the Comparator mode is changed, the comparator
output level may not be valid for the specified mode
change delay shown in Section 15.0 “Electrical
Specifications”.
Note:
D
D
D
D
A
D
D
A
A
A
A
D
Comparator interrupts should be disabled
during a Comparator mode change.
Otherwise, a false interrupt may occur.
CIS = 0
CIS = 1
CIS = 0
CIS = 1
From CV
From CV
PIC12F683
From CV
REF
Module
REF
REF
Off (Read as ‘0’)
COUT
Module
DS41211A-page 57
Module
COUT
COUT