EmbeddedRelated.com
    Parts    MEC1701Q-C2-SZ
MEC1701Q-C2-SZ

MCHPMEC1701Q-C2-SZ

Microchip Technology
ARM® Cortex®-M4 - Keyboard and Embedded Controller Microcontroller IC 144-WFBGA
Active1,183 in stock
Datasheet Digi-Key Mouser Compare Prices

Overview

The MEC1701Q-C2-SZ is a specialized embedded controller powered by an ARM Cortex-M4F core with 480KB of SRAM and 64KB of flash. It is designed specifically to handle system-level management tasks in computing platforms, acting as a bridge between the host processor and various peripherals.

Why Choose This Part

The part offers a massive 480KB SRAM for complex firmware routines while maintaining low power consumption of only 13mA at full 48MHz operation. It supports the transition from LPC to eSPI interfaces, providing a future-proof path for motherboard designers migrating to newer Intel and AMD chipsets.

Applications

Laptop Keyboard Controller
Manages matrix scanning and debouncing for notebook keyboards while interfacing with the host via eSPI or LPC.
System Management
Handles thermal monitoring, fan control, and power sequencing for desktop and mobile computing systems.
Legacy Peripheral Bridging
Translates legacy interfaces like PS/2 and PECI to modern high-speed communication buses used by newer chipsets.
Embedded Security
Utilizes the integrated hardware crypto and secure boot features to ensure system integrity before handing control to the OS.

Key Specifications

RAM Size 480K x 8
Interface ACPI, EBI/EMI, eSPI, I2C, LPC, PECI, PS/2, QSPI, SPI
Applications Keyboard and Embedded Controller
Mounting Type Surface Mount
Number of I/O 123
Core Processor ARM Cortex-M4
Package / Case 144-WFBGA
Voltage - Supply 1.71V ~ 3.465V
Controller Series MEC170x
Operating Temperature 0degC ~ 70degC
Supplier Device Package 144-WFBGA (9x9)

Getting Started

Developers can utilize the Microchip MPLAB X IDE and XC32 compiler along with the MEC170x EVB evaluation board for firmware development. Integration requires firmware that supports the eSPI or LPC protocol stack to communicate with the host CPU's Southbridge or PCH.

MEC1701Q-C2 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number I/O Pins Package Stock
MEC1701Q-C2-SZ (this part) 123 WFBGA-144 1,183
MEC1701Q-C2-TN 148 WFBGA-169 —