Key facts
- Brand
- MICROCHIP
- Model
- PIC18F6390/6490/8390/8490
- Category
- microcontrollers
- Industry
- Electronics
- Documents
- 2
- Languages
- ZH · EN
- Last added
- 2026-10-16
Start here
Microchip PIC18F6390/6490/8390/8490 Flash Microcontroller Datasheet
This document is a Chinese datasheet for the Microchip PIC18F6390/6490/8390/8490 series of 64/80-pin flash microcontrollers. It highlights key features such as the integrated LCD driver module, various power management modes (Run, Idle, Sleep), and a flexible oscillator structure supporting multiple crystal and RC modes.
The datasheet covers extensive technical details including memory organization, hardware peripherals like timers, capture/compare/PWM modules, and communication interfaces (MSSP, EUSART). It also includes specific electrical specifications, DC and AC characteristic charts, and package information for the TQFP packages. This manual is written in Chinese.
Microchip PIC18F6390/6490/8390/8490 specifications
| Operating Voltage Range | 2.0V to 5.5V |
|---|---|
| Flash Program Memory (PIC18F6390) | 8K bytes |
| Flash Program Memory (PIC18F6490) | 16K bytes |
| SRAM (PIC18F6390) | 768 bytes |
| A/D Converter Channels | 12 channels |
| LCD Segments | Up to 48 segments |
| Sleep Current | 0.1 mA (typical) |
Source: Microchip PIC18F6390/6490/8390/8490 Flash Microcontroller Datasheet
All Microchip PIC18F6390/6490/8390/8490 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the operating voltage range for these microcontrollers?
The devices support a wide operating voltage range from 2.0V to 5.5V.
From: Microchip PIC18F6390/6490/8390/8490 Flash Microcontroller Datasheet
Does the device include an LCD driver?
Yes, the device features a direct LCD panel driver module.
From: Microchip PIC18F6390/6490/8390/8490 Flash Microcontroller Datasheet
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.