PIC18LF25K83-I/ML

Microcontrollers Overview

The PIC18LF25K83-I/ML 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, 2048 bytes of Data SRAM, and 1024 bytes 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 DMA controllers, and CAN technology. Operating voltage ranges from 1.8V to 3.6V, with an industrial temperature range of -40°C to +85°C.

Microcontrollers Feature Summary

• Integrates a CAN module supporting Legacy, Enhanced, and FIFO modes for automotive and industrial communication protocols.
• Features a 12-bit ADC with Computation (ADC2) providing automated signal analysis, filtering, and threshold comparison.
• Includes two Direct Memory Access (DMA) controllers for hardware-managed data transfers between memory regions.
• Offers Core Independent Peripherals such as CWG, CLC, NCO, and SMT to offload processing tasks from the CPU.

Microcontrollers Applications

• Automotive systems requiring CAN bus connectivity
• Industrial control applications using LIN or DMX protocols
• Motor control implementations utilizing CWG and HLT modules
• Power supply designs leveraging ADC2 and ZCD capabilities

Microcontrollers Procurement Notes

Verify the specific suffix 'I/ML' corresponds to the Industrial temperature grade (-40°C to +85°C) and QFN-28 package. Confirm that the 'LF' designation indicates low-voltage operation (1.8V to 3.6V). Ensure compatibility with existing PCB footprints for the 6x6mm QFN package before finalizing procurement orders.

Microcontrollers Selection Notes

Select this component when CAN communication and advanced analog computation are required in a compact 28-pin form factor. The LF variant is suitable for battery-powered or low-voltage systems operating below 3.6V. Consider the F variant if operation up to 5.5V is necessary. Verify pin mapping requirements using the PPS module documentation for custom interface layouts.

Microcontrollers Part Context

This device belongs to the PIC18(L)F25/26K83 family, designed for high-performance embedded applications. It shares architectural similarities with other PIC18 devices but distinguishes itself through integrated CAN technology and the specialized ADC2 module. The family supports various packages including QFN, UQFN, SOIC, and SSOP.

Microcontrollers Replacement Considerations

PIC18LF26K83-I/ML offers identical peripherals with 64 KB Flash and 4 KB RAM.

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 modules, Enhanced mode, and FIFO mode.

How does the ADC2 module improve signal processing?

The ADC2 module provides automated post-processing functions including averaging, filter calculations, oversampling, and threshold comparison, reducing software complexity.