PIC12F675/ICD Microchip Technology, PIC12F675/ICD Datasheet - Page 37

• Manufacturer Part Number: PIC12F675/ICD
• Description: IC MCU 1K FLASH DEVLP TOOL 14DIP
• Manufacturer: Microchip Technology

Specifications of PIC12F675/ICD

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6.0
The PIC12F629/675 devices have one analog
comparator. The inputs to the comparator are
multiplexed with the GP0 and GP1 pins. There is an
on-chip Comparator Voltage Reference that can also
be applied to an input of the comparator. In addition,
GP2 can be configured as the comparator output.
REGISTER 6-1:
 2010 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2-0
U-0
—
COMPARATOR MODULE
Unimplemented: Read as ‘0’
COUT: Comparator Output bit
When CINV = 0:
1 = V
0 = V
When CINV = 1:
1 = V
0 = V
Unimplemented: Read as ‘0’
CINV: Comparator Output Inversion bit
1 = Output inverted
0 = Output not inverted
CIS: Comparator Input Switch bit
When CM2:CM0 = 110 or 101:
1 = V
0 = V
CM2:CM0: Comparator Mode bits
Figure 6-2 shows the Comparator modes and CM2:CM0 bit settings
COUT
R-0
IN
IN
IN
IN
IN
IN
CMCON: COMPARATOR CONTROL REGISTER (ADDRESS: 19h)
+ > V
+ < V
+ < V
+ > V
- connects to CIN+
- connects to CIN-
IN
IN
IN
IN
-
-
-
-
W = Writable bit
‘1’ = Bit is set
U-0
—
R/W-0
CINV
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-0
The Comparator Control Register (CMCON), shown
in Register 6-1, contains the bits to control the
comparator.
CIS
R/W-0
CM2
PIC12F629/675
x = Bit is unknown
R/W-0
CM1
DS41190G-page 37
R/W-0
CM0
bit 0