PIC16F877-04E/PT Microchip Technology, PIC16F877-04E/PT Datasheet - Page 485

• Manufacturer Part Number: PIC16F877-04E/PT
• Description: IC MCU FLASH 8KX14 EE 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F877-04E/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• 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: -40°C ~ 125°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: PIC16F87704E/PT

M
26
Section 26. Watchdog Timer and Sleep Mode
HIGHLIGHTS
This section of the manual contains the following major topics:
26.1 Introduction ..................................................................................................................26-2
26.2 Control Register ...........................................................................................................26-3
26.3 Watchdog Timer (WDT) Operation...............................................................................26-4
26.4 SLEEP (Power-Down) Mode........................................................................................26-7
26.5 Initialization ..................................................................................................................26-9
26.6 Design Tips ................................................................................................................26-10
26.7 Related Application Notes..........................................................................................26-11
26.8 Revision History .........................................................................................................26-12
1997 Microchip Technology Inc.
DS31026A page 26-1