DEVICE OVERVIEW
This document contains device specific information for the PIC18F010/020 microcontrollers. These devices come in 8-pin packages. Table 1-1 is an overview of the features. Figure 1-1 presents the block diagram for the PIC18F010/020 devices and Table 1-2 gives the pin descriptions.

High Performance RISC CPU:
• C compiler optimized instruction set
• Linear program memory addressing
   - 4096 x 8 on-chip FLASH program memory
   - 2048 x 8 on-chip FLASH program memory
      (PIC18F010)
• Linear data memory addressing
   - 256 x 8 general purpose registers
   - 64 x 8 EEPROM
• Operating speed:
   - DC - 40MHz clock input
   - DC - 100 ns instruction cycle
   - Internal oscillator with 5 program
      selectable speeds (32kHz, 500kHz, 1MHz,
      4MHz, 8MHz)
• 2.0V operation (4MHz)
• 16-bit wide instructions
• 8-bit wide data path
• 31 levels of hardware stack
• Software stack capability
• Multi-vector interrupt capability
• 8 x 8 multiply single cycle hardware

Special Microcontroller Features:
• Power-on Reset (POR), Power-up Timer (PWRT)
   and Oscillator Start-up Timer (OST)
• Brown-out Reset (BOR)
• Programmable Low Voltage Detection circuitry
   (PLVD)
• Watchdog Timer (WDT) with its own on-chip
   RC oscillator for reliable operation
• Programmable code protection
• Power saving SLEEP mode with Wake-up on Pin
   Change
• In-Circuit Serial Programming (ICSPTM) via two
   pins
• Low cost MPLAB® ICD available

Peripheral Features:
• High current sink/source 25mA/25mA
• Timer0: 8-bit/16-bit timer/counter with 8-bit
   programmable prescaler

CMOS Technology:
• Low power, high speed CMOS FLASH technology
• Fully static design
• Wide operating voltage range (2.0V to 5.5V)
• Commercial, Industrial and Extended
   temperature ranges
• Low power consumption