PIC16F874-20/L Microchip Technology, PIC16F874-20/L Datasheet - Page 3

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

Specifications of PIC16F874-20/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: 0°C ~ 70°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
• 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: 33
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• 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: 0 C
• On-chip Adc: 10 bit, 8 Channel
• 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: Details

SECTION 1. INTRODUCTION
SECTION 2. OSCILLATOR
SECTION 3. RESET
SECTION 4. ARCHITECTURE
M
1997 Microchip Technology Inc.
Introduction .......................................................................................................................................................1-2
Manual Objective ..............................................................................................................................................1-3
Device Structure ...............................................................................................................................................1-4
Development Support .......................................................................................................................................1-6
Device Varieties ...............................................................................................................................................1-7
Style and Symbol Conventions ......................................................................................................................1-12
Related Documents ........................................................................................................................................1-14
Related Application Notes ..............................................................................................................................1-17
Revision History .............................................................................................................................................1-18
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
Revision History .............................................................................................................................................2-20
Introduction .......................................................................................................................................................3-2
Power-on Reset (POR), Power-up Timer (PWRT),
Registers and Status Bit Values .....................................................................................................................3-10
Design Tips ....................................................................................................................................................3-16
Related Application Notes ..............................................................................................................................3-17
Revision History .............................................................................................................................................3-18
Introduction .......................................................................................................................................................4-2
Clocking Scheme/Instruction Cycle ..................................................................................................................4-5
Instruction Flow/Pipelining ................................................................................................................................4-6
I/O Descriptions ................................................................................................................................................4-7
Design Tips ....................................................................................................................................................4-12
Related Application Notes ..............................................................................................................................4-13
Revision History .............................................................................................................................................4-14
Oscillator Start-up Timer (OST), Brown-out Reset (BOR), and Parity Error Reset (PER) ..............................3-4
Table of Contents
DS00097D-page iii
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