MICROCHIP PIC18F6390/6490/8390/8490 Data Sheet 64/80-Pin Flash Microcontrollers with LCD Driver nanoWatt Technology Manual

About this manual

The Microchip PIC18F6390/6490/8390/8490 series are 8‑bit flash microcontrollers available in 64‑pin and 80‑pin TQFP packages. They feature an integrated LCD driver capable of directly driving up to 48 segments, a wide operating voltage range of 2.0 V to 5.5 V, and nanoWatt‑level power‑managed modes for low‑power applications.

The datasheet provides detailed information on oscillator configurations, power‑managed modes, peripheral modules (ADC, comparators, timers, MSSP, EUSART, AUSART), memory organization, electrical characteristics, and packaging. Appendices cover revision history, device differences, and migration guidelines.

What's inside

• Device Overview
• Oscillator Configurations
• Power Managed Modes
• Flash Program Memory
• LCD Driver Module
• Peripheral Highlights
• Electrical Characteristics
• Packaging Information
• Appendices

Specifications

Frequently asked questions

What is the operating voltage range of the PIC18F6390/6490/8390/8490 devices?

The devices operate from 2.0 V to 5.5 V.

How many LCD segments can be driven by the integrated LCD driver?

The LCD driver can directly drive up to 48 segments, selectable by software.

What is the flash program memory size for the PIC18F6390 variant?

The PIC18F6390 provides 8 KB of flash program memory.