CEC1702Q-B2-I/SX

Application Specific Microcontrollers Overview

The Microchip Technology CEC1702Q-B2-I/SX is a cryptographic embedded controller based on the ARM Cortex-M4F processor. It integrates a hardware root of trust with secure boot capabilities, supporting immutable code execution from external SPI Flash. The device features a comprehensive cryptographic suite including AES (128/192/256-bit), SHA-1/256/512, RSA (up to 4096-bit), and ECC (up to 640-bit). Memory resources include 480KB of SRAM split into code and data blocks, plus 128 bytes of battery-backed RAM. Operating voltages are 3.3V and 1.8V, compliant with ACPI standards.

Application Specific Microcontrollers Feature Summary

• ARM Cortex-M4F core with hardware floating-point unit and MPU
• Hardware-accelerated cryptography: AES, SHA, RSA, ECC, and TRNG
• Secure boot loader with hardware root of trust for SPI Flash authentication
• Integrated peripherals: 4 I2C controllers, 2 UARTs, Quad SPI, ADC, and RTC

Application Specific Microcontrollers Applications

• Internet of Things (IoT) platform security
• Embedded controller systems requiring hardware encryption
• ACPI-compliant power management units

Application Specific Microcontrollers Procurement Notes

Verify the specific suffix 'I/SX' against the official datasheet inventory table to confirm temperature range and package availability. Ensure the ordering part number matches the exact silicon revision required for your design. Cross-reference the pinout configuration in the datasheet to validate compatibility with your PCB layout.

Application Specific Microcontrollers Selection Notes

Select this component when hardware-based security is critical for firmware integrity. The CEC1702 offers significant performance improvements over software-only solutions, with PKE acceleration up to 50x faster. Consider the 480KB SRAM allocation and the specific GPIO multiplexing options available in the 84-pin WFBGA package during the initial design phase.

Application Specific Microcontrollers Part Context

The CEC1702 belongs to the CEC170x family of embedded controllers designed by Microchip Technology. This family targets IoT applications with a focus on low power consumption and high security. The Q-B2 variant indicates specific manufacturing or quality grades within the product line, distinct from standard commercial versions.

Application Specific Microcontrollers Replacement Considerations

No direct public substitute part numbers are documented for the CEC1702Q-B2-I/SX. Designers should evaluate other members of the CEC170x family if pin-out or feature sets differ. Verify that any alternative component maintains compatible voltage levels and cryptographic algorithm support.