PIC18LF4439T-ISP Datasheet

Enhanced FLASH Microcontrollers with Single Phase Induction Motor Control Kernel


This document contains device specific information for the following devices:

• PIC18F2439 • PIC18F4439
• PIC18F2539 • PIC18F4539

This family offers the advantages of all PIC18 microcontrollers - namely, high computational performance
at an economical price - with the addition of high-endurance Enhanced FLASH program memory. The PIC18FXX39 family also provides an off-the-shelf solution for simple motor control applications, allowing users to create speed control solutions with small part counts and short development times.

High Performance RISC CPU:
• Linear program memory addressing to 24 Kbytes
• Linear data memory addressing to 1.4 Kbytes
• 20 MHz operation (5 MIPs):
- 20 MHz oscillator/clock input
- 5 MHz oscillator/clock input with PLL active
• 16-bit wide instructions, 8-bit wide data path
• 8 x 8 Single Cycle Hardware Multiplier

Special Microcontroller Features:
• 100,000 erase/write cycle Enhanced FLASH program memory typical
• 1,000,000 erase/write cycle Data EEPROM memory
• FLASH/Data EEPROM Retention: > 100 years
• Power-on Reset (POR), Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)
• Programmable code protection
• Power saving SLEEP mode
• Single supply 5V In-Circuit Serial Programming™ (ICSP™) via two pins
• In-Circuit Debug (ICD) via two pins

Analog Features:
• Compatible 10-bit Analog-to-Digital Converter module (A/D) with:
- Fast sampling rate
- Conversion available during SLEEP
- DNL = ±1 LSb, INL = ±1 LSb
• Programmable Low Voltage Detection (PLVD)
- Supports interrupt on Low Voltage Detection
• Programmable Brown-out Reset (BOR)

Peripheral Features:
• High current sink/source 25 mA/25 mA
• Three external interrupt pins
• Timer0 module: 8-bit/16-bit timer/counter with 8-bit programmable prescaler
• Timer1 module: 16-bit timer/counter
• Timer3 module: 16-bit timer/counter
• Secondary oscillator clock option - Timer1/Timer3
• Two PWM modules:
- Resolution is 1- to 10-bit, Max. PWM freq. @ 8-bit resolution = 156 kHz 10-bit resolution = 39 kHz
• Single Phase Induction Motor Control kernel
- Programmable Motor Control Technology (ProMPT™) provides open loop Variable Frequency (VF) control
- User programmable Voltage vs. Frequency curve
- Most suitable for shaded pole and permanent split capacitor type motors
• Master Synchronous Serial Port (MSSP) module with two modes of operation:
- 3-wire SPI (supports all 4 SPI modes)
-I2C™ Master and Slave mode
• Addressable USART module:
- Supports RS-485 and RS-232
• Parallel Slave Port (PSP) module

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



Manufacturer information


Microchip Technology Inc. is a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.

Microchip Technology Inc. has acquired Atmel.

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