PIC16F873-20I/SP Microchip Technology, PIC16F873-20I/SP Datasheet - Page 485

• Manufacturer Part Number: PIC16F873-20I/SP
• Description: IC MCU FLASH 4KX14 EE 28DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F873-20I/SP

• 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: 22
• 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 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Controller Family/series: PIC16F
• No. Of I/o's: 22
• 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: 22
• Number Of Timers: 3 bit
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 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: 5 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

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