(also see High Speed Micros)

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Dallas Semiconductor Secure Micros are modules which include an 8051 CMOS controller, memory, clock & calendar ('T' suffix versions) with it's own crystal, watchdog timer, and lithium battery. Running at up to 16 MHz, all you need to add is a controller crystal and power.

Systronix DPB2 makes development with the secure micros fast and easy.

Above: DS2251T (top), DS2250T (left), DS2252T (right) and DS5000T (bottom).
Click here for sample programs, I/O drivers, and installation files
Click here for application notes and FAQs
Click here for DPB2 Secure Micro Development Board Info

Datasheets & Manuals (use Acrobat reader 4.X for best results)

Secure Micro Selection Table

Secure Micro Description
Compares all secure micro features, price and recommended applications. Helps you choose the best one for your application.
Secure Micro User Guide (1.4 MByte) Secure user guide including device data sheets. Detailed informaiton applicable to all secure micros (SFRs, memory mapping, security, etc) which is not in the individual data sheets.
DS5000(T) Data Sheet (150 KB) DIP40 controller with up to 32 KByte total code & data memory.
DS2250(T) Data Sheet (150 KB) SIMM40 controller with up to 64 KByte total code & data memory.
DS2252(T) Data Sheet (150 KB) SIMM40 ultra-secure controller with up to 128 KByte total code & data memory.
DS2251(T) Data Sheet (150 KB) SIMM70 controller with up to 128 KByte total code and data memory.

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