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DS2252T

Dallas Semiconducotr
Part Number DS2252T
Manufacturer Dallas Semiconducotr
Description Secure Microcontroller Module
Published Mar 30, 2005
Detailed Description DS2252T Secure Microcontroller Module www.dalsemi.com FEATURES 8051-compatible microcontroller for secure/sensitive app...
Datasheet PDF File DS2252T PDF File

DS2252T
DS2252T

Overview
DS2252T Secure Microcontroller Module www.
dalsemi.
com FEATURES 8051-compatible microcontroller for secure/sensitive applications - 32, 64, or 128 kbytes of nonvolatile SRAM for program and/or data storage - In-system programming via on-chip serial port - Capable of modifying its own program or data memory in the end system Firmware security features: - Memory stored in encrypted form - Encryption using on-chip 64-bit key - Automatic true random key generator - SDI (Self-Destruct Input) - Improved security over previous generations - Protects memory contents from piracy Crashproof operation - Maintains all nonvolatile resources for over 10 years in the absence of power - Power-fail Reset - Early Warning Power-fail Interrupt - Watchdog Timer - Precision reference for power monitor Fully 8051-compatible - 128 bytes scratchpad RAM - Two timer/counters - On-chip serial port - 32 parallel I/O port pins Permanently powered real time clock PACKAGE OUTLINE 1 20 21 40 40-Pin SIMM DESCRIP...


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