PIC18F452-I/ML

Microcontrollers Overview

The PIC18F452-I/ML is an 8-bit microcontroller from the PIC18(L)Fxx2 family, manufactured by Microchip Technology. It features a high-performance RISC CPU with up to 10 MIPS operation at frequencies up to 40 MHz. The device includes 32 Kbytes of Enhanced Flash program memory and 1536 bytes of data RAM. It offers 36 I/O pins across five ports (A through E), a 10-bit Analog-to-Digital Converter with 8 input channels, and multiple timer modules including Timer0, Timer1, Timer2, and Timer3. Communication interfaces include Master Synchronous Serial Port (MSSP) supporting SPI and I²C, and an Addressable USART. The unit operates within a voltage range of 2.0V to 5.5V and supports In-Circuit Serial Programming.

Microcontrollers Feature Summary

• Features a high-performance 8-bit RISC CPU with linear addressing capabilities and a single-cycle hardware multiplier.
• Includes enhanced non-volatile memory with high endurance for both program flash and data EEPROM.
• Integrates versatile peripheral modules such as Capture/Compare/PWM, timers, and serial communication interfaces.
• Supports low-power operation with selectable oscillator options and power-saving sleep modes.

Microcontrollers Applications

• Industrial control systems requiring robust processing and reliable memory retention
• Embedded applications utilizing serial communication protocols like SPI or I²C
• Motor control designs leveraging CCP modules for PWM generation
• Data acquisition systems using the integrated 10-bit A/D converter

Microcontrollers Procurement Notes

Verify the specific suffix 'I/ML' corresponds to the industrial temperature range and QFN-44 package configuration required for your design. Confirm that the component meets all relevant RoHS compliance standards applicable to your region. Ensure compatibility with your existing PCB footprint and assembly processes before finalizing procurement orders.

Microcontrollers Selection Notes

Select this model when 32 Kbytes of program memory and 1536 bytes of RAM are sufficient for the application logic. It is suitable for designs needing 36 general-purpose I/O lines and multiple serial communication channels. Consider this part for cost-sensitive projects requiring high performance without the complexity of larger pin-count devices.

Microcontrollers Part Context

This component belongs to the PIC18(L)Fxx2 series, which provides a balance of performance and peripheral integration for 8-bit embedded applications. The series is designed for developers seeking source code compatibility with earlier PIC16 and PIC17 architectures while benefiting from enhanced instruction sets and increased memory capacity.

Microcontrollers Replacement Considerations

Check for direct pin-compatible alternatives within the same family, such as the PIC18F442-I/ML, if reduced memory requirements allow. Verify that any substitute maintains the necessary I/O count and peripheral support for your specific circuit design.