MEC1322-LZY-C0-TR

Application Specific Microcontrollers Overview

The MEC1322-LZY-C0-TR is an ARM Cortex-M4 embedded controller manufactured by Microchip Technology. It features a 32-bit processor core with hardware floating-point support and operates at clock frequencies up to 48 MHz. The device integrates 128 KB of SRAM, optimized for code and data storage. Key interfaces include LPC, SPI, SMBus, PECI, and PS/2. It supports notebook PC applications with dedicated keyboard matrix scanning, fan control, and power management capabilities.

Application Specific Microcontrollers Feature Summary

• ARM Cortex-M4 processor core with FPU and NVIC
• 128 KB SRAM (96K code / 32K data)
• LPC interface supporting 19MHz to 33MHz
• Integrated RTC, ADC, and watchdog timer

Application Specific Microcontrollers Applications

• Notebook PC embedded controllers
• Keyboard and system management
• Power management systems

Application Specific Microcontrollers Procurement Notes

Verify the specific ordering suffix '-TR' against official documentation to confirm tape-and-reel packaging requirements. Ensure compatibility with the 132-pin DQFN package variant associated with this part number before procurement.

Application Specific Microcontrollers Selection Notes

Select this component for designs requiring an ARM Cortex-M4 based EC with integrated LPC and SMBus interfaces. Confirm that the 132-pin DQFN package fits the PCB layout constraints and that the 3.135V to 3.465V supply range matches the system design.

Application Specific Microcontrollers Part Context

This part belongs to the MEC1322 family of microcontrollers designed for notebook PCs. It serves as a central hub for system management, interfacing with the host via LPC and managing peripherals like keyboards, fans, and sensors through dedicated hardware blocks.

Application Specific Microcontrollers Replacement Considerations

Check for updated revisions within the MEC1322 series or compatible Microchip EC models. Verify pinout and register compatibility if substituting with other variants in the same product family.