PIC16F874-20/P Microchip Technology, PIC16F874-20/P Datasheet - Page 123

• Manufacturer Part Number: PIC16F874-20/P
• Description: IC MCU FLASH 4KX14 EE 40DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F874-20/P

• Program Memory Type: FLASH
• Program Memory Size: 7KB (4K x 14)
• Package / Case: 40-DIP (0.600", 15.24mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• 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
• 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: Through Hole
• 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: 8-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 444-1001 - DEMO BOARD FOR PICMICRO MCU
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

M
1997 Microchip Technology Inc.
HIGHLIGHTS
This section of the manual contains the following major topics:
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
Introduction ....................................................................................................................8-2
Control Registers ...........................................................................................................8-5
Interrupt Latency ..........................................................................................................8-10
INT and External Interrupts..........................................................................................8-10
Context Saving During Interrupts .................................................................................8-11
Initialization ..................................................................................................................8-14
Design Tips ..................................................................................................................8-16
Related Application Notes............................................................................................8-17
Revision History ...........................................................................................................8-18
Section 8. Interrupts
DS31008A page 8-1
8