PIC18F2458-I/SO

Microcontrollers Overview

The PIC18F2458-I/SO is an 8-bit microcontroller from the PIC18 family, housed in a 28-pin SOIC package. It features 24 KB of Flash program memory and 2048 bytes of SRAM data memory. The device supports operating frequencies up to 48 MHz and includes a built-in USB 2.0 compliant module with full-speed capability. It integrates a 12-bit Analog-to-Digital Converter with 10 input channels, four timer modules, and two Capture/Compare/PWM modules. The component operates within a voltage range of 4.2 V to 5.5 V.

Microcontrollers Feature Summary

• Integrated USB 2.0 compliant controller supporting low-speed and full-speed transfers with on-chip transceiver
• High-performance 8-bit CPU architecture featuring a single-cycle hardware multiplier and priority interrupt levels
• Enhanced Flash program memory with high endurance and self-programmable capabilities under software control
• Flexible oscillator structure including internal block, external clock modes, and high-precision PLL for USB

Microcontrollers Applications

• USB-enabled embedded systems requiring serial communication
• Motor control applications utilizing CCP/ECCP modules
• Data acquisition systems leveraging the 12-bit A/D converter
• Industrial controllers requiring reliable code protection and power-managed modes

Microcontrollers Procurement Notes

Verify that the ordering suffix matches the required package type and temperature grade. Confirm the specific silicon revision against current errata sheets if applicable. Ensure the supply chain source provides valid traceability documentation. Check for any regional compliance certifications required for the target market. Validate pin compatibility if substituting into existing PCB layouts.

Microcontrollers Selection Notes

Select this component when a dedicated USB interface is necessary without external transceivers. Consider the 24 KB memory size relative to application firmware requirements. Evaluate the 28-pin pinout constraints against peripheral usage needs. Compare power consumption in sleep modes against battery-operated system specifications. Verify voltage range compatibility with the system's power supply rails.

Microcontrollers Part Context

This device belongs to the PIC18F2458/2553/4458/4553 family of high-performance microcontrollers. It shares core architectural features with other members of the series, differing primarily in memory size and I/O count. The family utilizes the enhanced PIC18 instruction set and nanoWatt technology for power efficiency. Documentation references the companion DS39632 datasheet for shared specifications.

Microcontrollers Replacement Considerations

The PIC18LF2458 serves as the low-voltage variant of this device. Other family members like the PIC18F2553 offer increased program memory but share similar interfaces.