PIC16F877A-E/P Microchip Technology, PIC16F877A-E/P Datasheet - Page 128

• Manufacturer Part Number: PIC16F877A-E/P
• Description: IC MCU FLASH 8KX14 W/AD 40-DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F877A-E/P

• Program Memory Type: FLASH
• Program Memory Size: 14KB (8K 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: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 368 B
• Interface Type: I2C/SPI/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: + 125 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: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PICmicro MID-RANGE MCU FAMILY
8.2.2
DS31008A-page 8-6
PIE Register(s)
Depending on the number of peripheral interrupt sources, there may be multiple Peripheral Inter-
rupt Enable registers (PIE1, PIE2). These registers contain the individual enable bits for the
Peripheral interrupts. These registers will be generically referred to as PIE. If the device has a
PIE register, The PEIE bit must be set to enable any of these peripheral interrupts.
Although, the PIE register bits have a general bit location with each register, future devices may
not have consistent placement. Bit location inconsistencies will not be a problem if you use the
supplied Microchip Include files for the symbolic use of these bits. This will allow the Assem-
bler/Compiler to automatically take care of the placement of these bits by specifying the correct
register and bit name.
Note:
Bit PEIE (INTCON<6>) must be set to enable any of the peripheral interrupts.
1997 Microchip Technology Inc.