CEC1702Q-B1-SX-TR

Application Specific Microcontrollers Overview

The Microchip CEC1702Q-B1-SX-TR is a Cryptographic Embedded Controller designed for Internet of Things (IoT) platforms. It features a 32-bit ARM Cortex-M4F processor core with hardware floating-point support and a secure boot loader. The device integrates 480KB of SRAM, including 128 bytes of battery-backed memory, and supports operation on 3.3V and 1.8V power planes. Key cryptographic capabilities include AES, SHA hashing, RSA/ECC public key engines, and a true random number generator. It provides extensive I/O interfaces, including four I2C controllers, two UARTs, SPI, PWM, and ADC channels.

Application Specific Microcontrollers Feature Summary

• ARM Cortex-M4F Core: 32-bit architecture with hardware FPU, NVIC interrupt controller, and comprehensive debug/trace support.
• Cryptographic Engine: Hardware acceleration for AES (128/192/256-bit), SHA-1/252/512, RSA (up to 4096-bit), ECC (up to 640-bit), and True Random Number Generator.
• Memory Architecture: 64KB Boot ROM, 480KB total SRAM (split into code/data blocks), and 128 bytes of VBAT-powered RAM.
• Power Management: ACPI compliant with dedicated VBAT and VTR standby power planes, low sleep mode current, and programmable wake-up sources.

Application Specific Microcontrollers Applications

• ACPI-compliant embedded controllers for IoT platforms
• Secure boot applications requiring hardware root of trust
• Battery-powered devices utilizing VBAT standby modes

Application Specific Microcontrollers Procurement Notes

Verify the specific suffix 'Q-B1-SX-TR' against the manufacturer's official documentation to confirm package type, temperature range, and tape-and-reel specifications. Ensure compatibility with the required voltage domains (3.3V/1.8V) and interface configurations for the target system design.

Application Specific Microcontrollers Selection Notes

Select this component for designs requiring integrated cryptographic security alongside standard embedded control functions. Consider the 84-pin WFBGA package constraints and the need for external SPI Flash for firmware storage. Evaluate the available GPIO count (65) and peripheral interfaces (I2C, SPI, UART, PWM) against system requirements.

Application Specific Microcontrollers Part Context

The CEC1702 belongs to Microchip's Cryptographic Embedded Controller family, tailored for secure IoT and edge computing applications. It combines general-purpose microcontroller capabilities with specialized hardware security modules, enabling secure boot and data protection without relying solely on software implementations.

Application Specific Microcontrollers Replacement Considerations

Consult Microchip's official product selector or datasheet revision history for verified cross-reference part numbers. Ensure any substitute maintains compatible pinout, voltage levels, and cryptographic feature sets if security is critical.