PIC16F872-E/SS Microchip Technology, PIC16F872-E/SS Datasheet - Page 373

• Manufacturer Part Number: PIC16F872-E/SS
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SSOP,28PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F872-E/SS

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SSOP
• Package: 28SSOP
• Device Core: PIC
• Family Name: PIC16
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 22
• Interface Type: I2C/SPI
• On-chip Adc: 5-chx10-bit
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

20.2
1997 Microchip Technology Inc.
Control Register
bit 7
bit 6
bit 5:4
bit 3
bit 2:0
Register 20-1: CMCON Register
bit 7
C2OUT: Comparator2 Output Indicator bit
1 = C2 V
0 = C2 V
C1OUT: Comparator1 Output Indicator bit
1 = C1 V
0 = C1 V
Unimplemented: Read as '0'
CIS: Comparator Input Switch bit
When CM2:CM0: = 001:
1 = C1 V
0 = C1 V
When CM2:CM0 = 010:
1 = C1 V
0 = C1 V
CM2:CM0: Comparator Mode Select bits
See
Legend
R = Readable bit
U = Unimplemented bit, read as ‘0’
C2OUT
R-0
C2 V
C2 V
Figure
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
+ > C2 V
+ < C2 V
+ > C1 V
+ < C1 V
– connects to AN3
– connects to AN0
– connects to AN2
– connects to AN1
– connects to AN3
– connects to AN0
20-1.
C1OUT
R-0
IN
IN
IN
IN
–
–
–
–
W = Writable bit
U-0
—
Section 20. Comparator
U-0
—
- n = Value at POR reset
R/W-0
CIS
R/W-0
CM2
R/W-0
CM1
DS31020A-page 20-3
bit 0
R/W-0
CM0
20