PIC18LF25K83-E/SO

Microcontrollers Overview

The PIC18LF25K83-E/SO is an 8-bit microcontroller from the PIC18(L)F25/26K83 family, utilizing a C Compiler Optimized RISC architecture. It features 32 KB of Flash program memory, 2 KB of Data SRAM, and 1 KB of Data EEPROM. The device operates at clock frequencies up to 64 MHz with a minimum instruction cycle of 62.5 ns. It includes a 12-bit ADC with Computation (ADC2), two UARTs, two I2C modules, one SPI module, and a CAN module compliant with CAN 2.0B. Operating voltage ranges from 1.8V to 3.6V, supporting industrial temperature ranges.

Microcontrollers Feature Summary

• Integrated Direct Memory Access (DMA) controllers for automated data transfers between memory regions without CPU intervention.
• Vectored Interrupt Controller that resolves interrupts based on fixed natural order priority and user-assigned priority.
• Advanced Analog-to-Digital Converter (ADC2) providing automated post-processing, digital filtering, and threshold comparison functions.
• CAN module supporting Legacy, Enhanced, and FIFO modes with DeviceNet data byte filter support.

Microcontrollers Applications

• Automotive applications requiring CAN communication
• Industrial control systems utilizing multiple serial interfaces
• Motor control designs leveraging CWG and PWM capabilities
• Sensor signal processing using ADC2 computation features

Microcontrollers Procurement Notes

Verify the specific suffix 'E' indicates the extended temperature range (-40°C to 125°C) as defined in the datasheet specifications. Confirm the 'SO' package designation corresponds to the 28-pin SOIC form factor. Ensure compatibility with the 1.8V to 3.6V operating voltage range required by the LF variant. Cross-reference the device revision against any existing errata sheets published by Microchip Technology.

Microcontrollers Selection Notes

Select this component when designing systems that require robust CAN connectivity alongside high-performance analog signal processing. The inclusion of ADC2 allows for hardware-accelerated signal analysis, reducing firmware complexity. Consider the 28-pin SOIC package for through-hole or standard surface-mount assembly needs. Evaluate the power-saving modes such as IDLE and SLEEP if battery life is a critical design constraint.

Microcontrollers Part Context

This device belongs to the PIC18(L)F25/26K83 family of 28-pin microcontrollers. It shares architectural similarities with the PIC18F25K83 but differs in operating voltage specifications. The family integrates Core Independent Peripherals to offload tasks from the main CPU core. Other members include variants with different memory sizes and package options within the same pinout configuration.

Microcontrollers Replacement Considerations

PIC18F25K83-E/SO

Microcontrollers FAQ

What are the available operating modes for the CAN module?

The CAN module supports three operating modes: Legacy mode compatible with existing PIC18CXX8/FXX8 CAN modules, Enhanced mode, and FIFO mode.

How does the ADC2 module improve application efficiency?

The ADC2 module provides automated post-processing including averaging, filter calculations, oversampling, and threshold comparison, which reduces software overhead and CPU usage.

What power-saving modes are supported by the PIC18LF25K83?

The device supports DOZE mode for slower CPU operation, IDLE mode to halt the CPU while peripherals run, and SLEEP mode for lowest power consumption.