PIC16F874-20I/L Microchip Technology, PIC16F874-20I/L Datasheet - Page 208

• Manufacturer Part Number: PIC16F874-20I/L
• Description: IC MCU FLASH 4KX14 EE 44PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F874-20I/L

• 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: 33
• 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 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Controller Family/series: PIC16F
• No. Of I/o's: 33
• Eeprom Memory Size: 128Byte
• Ram Memory Size: 192Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164309 - MODULE SKT FOR PM3 44PLCC444-1001 - DEMO BOARD FOR PICMICRO MCUDVA16XL441 - ADAPTER DEVICE ICE 44PLCC309-1040 - ADAPTER 44-PLCC ZIF TO 40-DIP309-1039 - ADAPTER 44-PLCC TO 40-DIPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: PIC16F874-20I/LR; PIC16F874-20I/LR

PIC16F87X
W
Wake-up from SLEEP .............................................. 119, 132
Watchdog Timer (WDT) ........................................... 119, 131
Waveform for General Call Address Sequence ................. 76
WCOL ................................................... 67, 80, 82, 84, 86, 87
WCOL Status Flag ............................................................. 80
Write Collision Detect bit, WCOL ....................................... 67
Write Verify
WWW, On-Line Support ....................................................... 4
DS30292C-page 206
Interrupts .......................................................... 125, 126
MCLR Reset ............................................................. 126
Timing Diagram ........................................................ 133
WDT Reset ............................................................... 126
Block Diagram .......................................................... 131
Enable (WDTE Bit) ................................................... 131
Postscaler. See Postscaler, WDT
Programming Considerations ................................... 131
RC Oscillator ............................................................ 131
Time-out Period ........................................................ 131
WDT Reset, Normal Operation ................ 123, 125, 126
WDT Reset, SLEEP ................................. 123, 125, 126
Data EEPROM and FLASH Program Memory ........... 45
2001 Microchip Technology Inc.