MAXQ1050-BNS+

Application Specific Microcontrollers Overview

The MAXQ1050-BNS+ is a secure USB microcontroller from the DeepCover embedded security family, manufactured by Analog Devices Inc./Maxim Integrated. It integrates a high-performance 32-bit MAXQ30 RISC core operating at up to 20 MHz with an on-chip clock multiplier. The device features 128 KB of Flash memory and includes hardware accelerators for asymmetric cryptography (RSA, DSA, ECDSA) and symmetric algorithms (AES, DES, 3DES). Key security attributes include tamper detection with rapid key destruction, a true hardware random-number generator, and unique 64-bit serial numbers. It supports USB full-speed operation and smart card interfaces.

Application Specific Microcontrollers Feature Summary

• Integrates a 32-bit MAXQ30 RISC core with up to 128 KB Flash memory
• Includes hardware accelerators for RSA, AES, SHA-256, and other cryptographic standards
• Features advanced physical security with tamper detection and self-destruct capabilities
• Supports Full-Speed USB Device connectivity with integrated transceiver

Application Specific Microcontrollers Applications

• Secure USB token authentication devices
• USB card reader applications requiring data protection
• Smart card solutions with enhanced cryptographic performance

Application Specific Microcontrollers Part Context

The MAXQ1050 belongs to the MAXQ family of 16/32-bit microcontrollers designed for battery-powered mixed-signal applications. This specific model extends the architecture with dedicated USB and security peripherals, targeting the financial terminal and secure access markets where robust key storage and communication integrity are critical.

Application Specific Microcontrollers Replacement Considerations

Verify pinout compatibility and software library support when substituting. Ensure the replacement component offers equivalent cryptographic acceleration and USB controller functionality to maintain system security protocols.