PIC18LF25K40T-I/SO

Microcontrollers Overview

The PIC18LF25K40T-I/SO is an 8-bit microcontroller from the PIC18(L)F2xK40 family, utilizing a C Compiler Optimized RISC architecture. It features 32 KB of Program Flash Memory, 2048 Bytes of Data SRAM, and 256 Bytes of Data EEPROM. The device operates at clock frequencies up to 64 MHz with instruction cycles as low as 62.5 ns. It supports an operating voltage range of 1.8V to 3.6V and functions within an industrial temperature range of -40°C to +85°C. The component is housed in a 28-pin SOIC package.

Microcontrollers Feature Summary

• Integrates eXtreme Low-Power (XLP) technology for optimized energy consumption across various operational modes.
• Includes a 10-Bit Analog-to-Digital Converter with Computation (ADC2) supporting automated mathematical functions and Capacitive Voltage Divider techniques.
• Features Core Independent Peripherals such as the Complementary Waveform Generator (CWG), Windowed Watchdog Timer (WWDT), and Programmable CRC with Memory Scan.
• Provides flexible pin mapping through Peripheral Pin Select (PPS) and supports multiple serial communication protocols including EUSART, SPI, and I2C.

Microcontrollers Applications

• General purpose embedded control systems
• Low-power battery-operated devices
• Advanced touch sensing applications using CVD techniques
• Industrial monitoring requiring fail-safe data memory verification

Microcontrollers Procurement Notes

Verify that the specific ordering suffix matches the required package type and temperature grade. Confirm the 'LF' designation aligns with the necessary 1.8V to 3.6V operating voltage range rather than the higher voltage F-series. Ensure compatibility with existing PCB footprints for the 28-pin SOIC form factor before finalizing procurement orders.

Microcontrollers Selection Notes

Select this component when designing systems that require high performance combined with extreme power efficiency. The inclusion of the ADC2 module makes it suitable for applications needing advanced signal processing or capacitive touch interfaces without external processors. Consider the 32 KB flash capacity for complex firmware requirements and the extensive peripheral set for reducing external component count.

Microcontrollers Part Context

This device belongs to the PIC18(L)F24/25K40 family, which combines analog capabilities with core-independent peripherals. It shares architectural similarities with other members like the PIC18LF24K40 but offers increased memory resources. The family is designed to support a wide range of general-purpose and low-power applications through its integrated XLP technology and versatile I/O options.

Microcontrollers Replacement Considerations

Direct substitutes within the same package include the PIC18LF24K40T-I/SO, which offers reduced memory specifications. For applications requiring higher memory capacity, the PIC18LF26K40T-I/SO serves as a compatible upgrade within the same pinout configuration. Verify software compatibility when migrating between these variants due to potential differences in available memory space.

Microcontrollers FAQ

Does the PIC18LF25K40T-I/SO support capacitive touch sensing?

Yes, the device includes a 10-Bit ADC with Computation (ADC2) that automates Capacitive Voltage Divider (CVD) techniques, enabling advanced touch sensing functionality.

What is the minimum operating voltage for this microcontroller?

The PIC18LF25K40T-I/SO operates within a voltage range of 1.8V to 3.6V over the full industrial temperature range.

Can the peripheral pins be remapped on this device?

Yes, the device features Peripheral Pin Select (PPS), which allows the mapping of digital I/O inputs and outputs to different physical pins for design flexibility.