PIC16C622A-20I/P Microchip Technology, PIC16C622A-20I/P Datasheet - Page 40

• Manufacturer Part Number: PIC16C622A-20I/P
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,DIP,18PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C622A-20I/P

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 13
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: OTP
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.5 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 18-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: ISPICR1 - ADAPTER IN-CIRCUIT PROGRAMMINGDVA16XP180 - ADAPTER DEVICE FOR MPLAB-ICEAC164010 - MODULE SKT PROMATEII DIP/SOIC
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16C62X
7.1
There are eight modes of operation for the
comparators. The CMCON register is used to select
the mode. Figure 7-1 shows the eight possible modes.
The TRISA register controls the data direction of the
comparator pins for each mode. If the Comparator
FIGURE 7-1:
DS30235J-page 38
A = Analog Input, Port Reads Zeros Always
D = Digital Input
CIS = CMCON<3>, Comparator Input Switch
RA3/AN3
RA1/AN1
RA2/AN2
RA3/AN3
RA1/AN1
RA2/AN2
RA0/AN0
RA3/AN3
RA1/AN1
RA2/AN2
RA0/AN0
RA0/AN0
RA3/AN3
RA2/AN2
Comparators Reset
Two Independent Comparators
Two Common Reference Comparators
One Independent Comparator
RA0/AN0
RA1/AN1
Comparator Configuration
A
A
A
A
D
D
A
A
A
A
A
D
A
A
A
A
COMPARATOR I/O OPERATING MODES
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
C2
C2
C1
C2
C1
C1
C1
C2
CM<2:0> = 100
CM<2:0> = 011
CM<2:0> = 000
CM<2:0> = 101
C1OUT
C2OUT
C1OUT
C2OUT
(Read as '0')
(Read as '0')
(Read as '0')
C2OUT
Off
Off
Off
RA3/AN3
RA2/AN2
Four Inputs Multiplexed to
Two Comparators
Two Common Reference Comparators with Outputs
Three Inputs Multiplexed to
Two Comparators
RA0/AN0
RA1/AN1
Comparators Off
RA2/AN2
RA2/AN2
mode is changed, the comparator output level may not
be valid for the specified mode change delay shown
in Table 12-2.
RA3/AN3
RA1/AN1
RA3/AN3
RA1/AN1
RA0/AN0
RA2/AN2
RA0/AN0
RA0/AN0
RA3/AN3
RA1/AN1
Note:
RA4 Open Drain
D
D
D
D
Comparator interrupts should be disabled
during a Comparator mode change other-
wise a false interrupt may occur.
A
A
A
A
A
A
A
A
A
D
A
A
V
V
V
V
CIS=0
CIS=1
CIS=0
CIS=1
CIS=0
CIS=1
IN
IN
IN
IN
V
V
V
V
V
V
V
V
-
+
-
+
IN
IN
IN
IN
IN
IN
IN
IN
-
+
-
+
-
+
-
+
-
+
-
+
 2003 Microchip Technology Inc.
-
+
-
+
-
+
-
+
V
V
V
V
C1
C2
IN
IN
IN
IN
C2
C1
C2
-
+
C1
-
+
-
+
-
+
From V
C1
C2
CM<2:0> = 001
CM<2:0> = 010
CM<2:0> = 110
CM<2:0> = 111
(Read as '0')
(Read as '0')
REF
C2OUT
C1OUT
C2OUT
C1OUT
Module
Off
Off
C2OUT
C1OUT