Maxim Integrated Secure Microcontroller User Manual
Page 11
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Secure Microcontroller User’s Guide
11 of 187
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Random number generator
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Firmware bootstrap loader resides in a 16kB factory-programmed ROM
8051 Compatible with Expanded Addressing
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4-clock/machine cycle architecture (25MHz/6.25 MIPS)
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Contiguous address space accesses up to 4MB program + 4MB data external memory
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Four 8-bit ports, one 6-bit port
Advanced Features
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CRC-16/32 generator
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Secure bootstrap loader resides in a 16kB factory-programmed ROM
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RTC with alarm interrupt and wake-up
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5kB internal SRAM (1kB can be used as a stack for high-level language support)
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Dual data pointers with increment/decrement
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Programmable length MOVX instructions
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Power-fail/power-on reset circuits
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Watchdog timer
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