DEVICE OVERVIEW
This document contains device-specific information for the following devices:

   • PIC18F6393 • PIC18F8393
   • PIC18F6493 • PIC18F8493

This family offers the advantages of all PIC18 microcontrollers – namely, high computational performance at an economical price. In addition to these features, the PIC18F6393/6493/8393/8493 family introduces design enhancements that make these microcontrollers a logical choice for many high-performance, power-sensitive applications.

LCD Driver Module Features:
• Direct Driving of LCD Panel
• Up to 192 Pixels: Software Selectable
• Programmable LCD Timing module:
   - Multiple LCD timing sources available
   - Up to four commons: Static, 1/2, 1/3 or 1/4 multiplex
   - Static, 1/2 or 1/3 bias configuration
• Can Drive LCD Panel while in Sleep mode for Low-Power Operation
 
Power-Managed Modes:
• Run: CPU On, Peripherals On
• Idle: CPU Off, Peripherals On
• Sleep: CPU Off, Peripherals Off
• Run mode Current Down to 14 μA Typical
• Idle mode Currents Down to 5.8 μA Typical
• Sleep mode Currents Down to 0.1 μA Typical
• Timer1 Oscillator: 1.8 μA, 32 kHz, 2V
• Watchdog Timer: 2.1 μA Typical
• Two-Speed Oscillator Start-up

Flexible Oscillator Structure:
• Four Crystal modes:
   - LP: Up to 200 kHz
   - XT: Up to 4 MHz
   - HS: Up to 40 MHz
   - HSPLL: 4-10 MHz (16-40 MHz internal)
• 4x Phase Lock Loop (available for crystal and internal oscillators)
• Two External RC modes, Up to 4 MHz
• Two External Clock modes, Up to 40 MHz
• Internal Oscillator Block:
   - Eight selectable frequencies, from 31 kHz to 8 MHz
   - Provides a complete range of clock speeds from 31 kHz to 32 MHz when used with PLL
   - User-tunable to compensate for frequency drift
• Secondary Oscillator Using Timer1 at 32 kHz
• Fail-Safe Clock Monitor:
   - Allows for safe shutdown of device if primary or secondary clock fails
  
Peripheral Highlights:
• 12-Bit, Up to 12-Channel Analog-to-Digital (A/D) Converter module:
   - Auto-acquisition capability
   - Conversion available during Sleep
• High-Current Sink/Source 25 mA/25 mA
• Four External Interrupts
• Four Input Change Interrupts
• Four 8-Bit/16-Bit Timer/Counter modules
• Real-Time Clock (RTC) Software module:
   - Configurable 24-hour clock, calendar, automatic 100-year or 12,800-year, day-of-week calculator
   - Uses Timer1
• Up to Two Capture/Compare/PWM (CCP) modules
• Master Synchronous Serial Port (MSSP) module Supporting Three-Wire SPI (all four modes) and I2C™ Master and Slave modes
• Addressable USART module:
   - Supports RS-485 and RS-232
• Enhanced Addressable USART module:
   - Supports RS-485, RS-232 and LIN 1.2
   - Auto-wake-up on Start bit
   - Auto-Baud Detect
• Dual Analog Comparators with Input Multiplexing

Special Microcontroller Features:
• C Compiler Optimized Architecture:
   - Optional extended instruction set designed to optimize re-entrant code
• 1000 Erase/Write Cycle Flash Program Memory Typical
• Flash Retention: 100 Years Typical
• Priority Levels for Interrupts
• 8 x 8 Single-Cycle Hardware Multiplier
• Extended Watchdog Timer (WDT):
   - Programmable period from 4 ms to 132s
   - 2% stability over VDD and temperature
• In-Circuit Serial Programming™ (ICSP™) via Two Pins
• In-Circuit Debug (ICD) via Two Pins
• Wide Operating Voltage Range: 2.0V to 5.5V