MAXQ1050-BNS+

The MAXQ1050 is a low-power secure microcontroller designed for USB secure token and smart card reader applications that require certificate-based or other public key cryptographic schemes.
The device also incorporates a sophisticated security mechanism to protect secret key data; two self-destruct inputs and environmental monitors (temperature and voltage sensors) erase secret key data when an attack condition is detected.
The device has an integrated full-speed USB device interface (including transceiver), hardware SPI™ controller, and an ISO 7816 UART (universal asynchronous receiver-transmitter) for smart card communication.
Features
♦ High-Performance, Low-Power, 32-Bit MAXQ30 RISC Core
♦ Operates from USB Power or Single 3.3V Supply
♦ Runs from 20MHz (typ) Internal Oscillator
♦ Supports External 12/24MHz Crystal Oscillator for Microcontroller and USB Operation
♦ On-Chip 2x/4x Clock Multiplier
♦ 16-Bit Instruction Word, 32-Bit Internal Data Bus
♦ 16 x 32-Bit Accumulators
♦ 16 x 32-Bit General-Purpose Working Registers
♦ Up to 20 General-Purpose I/O Pins
♦ 5V Tolerant I/O
♦ Virtually Unlimited Software Stack
♦ Optimized for C-Compiler (High-Speed/Density Code)
♦ Memory ◇ 128KB Flash Memory, 512 x 32 Page Size ◇ Flash Memory Supports 20k Erase/Write Cycles per Sector ◇ 256B of Secure NV SRAM ◇ 4KB Battery-Backed NV SRAM ◇ 12KB SRAM ◇ Secure JTAG/TAP for In-System Programming
♦ Security ◇ Unique 64-Bit Serial Number ◇ Tamper Detection with Rapid Key/Data Destruction ◇ Secret Key Destruction on Tamper Events ◇ Permanent Loader Lockout Option ◇ Proprietary Code Scrambling Technique Using Random Keys ◇ Hardware Accelerators for AES, RSA, DSA, ECDSA, DES, 3DES, SHA-1, SHA-224, SHA-256 ◇ True Hardware Random-Number Generator ◇ Temperature and Voltage Sensors to Detect Attacks ◇ Two Self-Destruct Input Pins
♦ Additional Peripherals ◇ Power-Fail Warning ◇ Power-On-Reset/Brownout Reset ◇ JTAG I/F for System Programming and Accessing On-Chip Debugger ◇ Full-Speed USB Device with Six Endpoint Buffers and Integrated Transceiver ◇ ISO 7816 Smart Card UART with FIFO ◇ 16-Bit Programmable Timers/Counters with Prescaler, Capture/Compare, and PWM ◇ SPI Master/Slave Hardware ◇ Programmable Watchdog Timer ◇ Up to 20 General-Purpose I/O Pins with Eight External InterruptsApplications Security and Banking Tokens Certificate Management Electronic Signature Generation Smart Grid Security Prepaid Utility e-Commerce Secure Access Control Pay-per-Play