PIC18LF26K42-I/MX

Microcontrollers Overview

The PIC18LF26K42-I/MX is an 8-bit microcontroller from the PIC18(L)F26/27/45/46/47/55/56/57K42 family, featuring a PIC18 core with up to 64 KB of Flash program memory, 4 KB of data SRAM, and 1 KB of data EEPROM. It operates within a voltage range of 1.8V to 3.6V at clock frequencies up to 64 MHz. The device includes a 12-bit ADC with Computation (ADC2), two DMA controllers, and multiple communication interfaces including UART, SPI, and I2C.

Microcontrollers Feature Summary

• Features a 12-bit ADC with Computation (ADC2) that automates capacitive voltage divider techniques for advanced touch sensing, averaging, filtering, oversampling, and threshold comparison.
• Includes two Direct Memory Access (DMA) controllers for hardware and software-triggered data transfers between Program Flash Memory, Data EEPROM, and SFR/GPR spaces.
• Supports flexible oscillator structures with a high-precision internal oscillator selectable up to 64 MHz and a low-power internal 31 kHz oscillator.
• Provides Memory Access Partition (MAP) capabilities to support data protection and bootloader applications through configurable boot and app region sizes.

Microcontrollers Applications

• Advanced touch sensing systems utilizing automated CVD techniques
• Data protection and bootloader applications requiring Memory Access Partition
• Industrial control systems needing DMA-driven peripheral management
• Low-power embedded designs operating on battery sources

Microcontrollers Procurement Notes

Verify the specific package type and temperature grade against project requirements before ordering. Confirm that the 1.8V to 3.6V operating voltage range aligns with the system power supply design. Ensure compatibility with existing development tools and programming interfaces supported by the Microchip ecosystem.

Microcontrollers Selection Notes

Select this component when 64 KB of Flash memory and 4 KB of RAM are required in a 28-pin form factor. Consider the -I suffix for industrial temperature range operation. Evaluate the need for the specific analog peripherals like the 12-bit ADC2 and comparators if signal processing features are critical to the application design.

Microcontrollers Part Context

This part belongs to the PIC18(L)F26/27/45/46/47/55/56/57K42 series, which offers varying memory sizes and pin counts across 28, 40, 44, and 48-pin packages. The 'L' designation indicates low-voltage operation, while the '-MX' suffix typically denotes a specific small-outline package variant within the Microchip portfolio.

Microcontrollers Replacement Considerations

PIC18LF26K42-I/SO

Microcontrollers FAQ

What is the maximum operating voltage for the PIC18LF26K42?

The maximum operating voltage for the PIC18LF26K42 is 3.6V.

Does the PIC18LF26K42 support capacitive touch sensing?

Yes, it supports advanced touch sensing through its 12-bit ADC with Computation (ADC2) feature, which automates Capacitive Voltage Divider (CVD) techniques.