PIC16F874-20/L Microchip Technology, PIC16F874-20/L Datasheet - Page 373

• Manufacturer Part Number: PIC16F874-20/L
• Description: IC MCU FLASH 4KX14 EE 44PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F874-20/L

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Controller Family/series: PIC16F
• No. Of I/o's: 33
• Eeprom Memory Size: 128Byte
• Ram Memory Size: 192Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 192 B
• Interface Type: MSSP, PSP, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 33
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164120
• Minimum Operating Temperature: 0 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164309 - MODULE SKT FOR PM3 44PLCC444-1001 - DEMO BOARD FOR PICMICRO MCUDVA16XL441 - ADAPTER DEVICE ICE 44PLCC309-1040 - ADAPTER 44-PLCC ZIF TO 40-DIP309-1039 - ADAPTER 44-PLCC TO 40-DIPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
• Lead Free Status / Rohs Status: Details

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