PIC16F877T-20/PT Microchip Technology, PIC16F877T-20/PT Datasheet - Page 31

• Manufacturer Part Number: PIC16F877T-20/PT
• Description: IC MCU FLASH 8KX14 EE 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F877T-20/PT

• 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
• Program Memory Size: 14KB (8K x 14)
• Program Memory Type: FLASH
• 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: 0°C ~ 70°C
• Package / Case: 44-TQFP, 44-VQFP
• 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:
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10 Revision History ...........................................................................................................2-20
Introduction ....................................................................................................................2-2
Oscillator Configurations ................................................................................................2-2
Crystal Oscillators / Ceramic Resonators ......................................................................2-4
External RC Oscillator..................................................................................................2-12
Internal 4 MHz RC Oscillator .......................................................................................2-13
Effects of Sleep Mode on the On-chip Oscillator .........................................................2-17
Effects of Device Reset on the On-chip Oscillator .......................................................2-17
Design Tips ..................................................................................................................2-18
Related Application Notes............................................................................................2-19
Section 2. Oscillator
DS31002A page 2-1
2