Eurotech BRI ISDN Manual de usuario descargar pdf (Pagina 13)

Am186™CC Microcontroller Router Reference Design User’s Manual

xiii

Theory of Operation

The reference design demonstrates the Am186CC microcontroller’s functionality

in an ISDN/Ethernet application. You can use this board as a reference to create

your own designs. The small size and simplicity of this design highlight the benefits

of the Am186CC microcontroller’s many integrated peripherals.

Am186

™

CC Microcontroller Router

Reference Design Features

The Am186CC microcontroller router reference design provides the following

features:

• Am186CC 3.3-V, 50-MHz microcontroller

• External power supply (generates 3.3 V, 5.0 V, –5.0 V, –24 V, and –70 V from

a 12V

source)

• Memory interfaces

– Main system memory

• 4-Mbit, 256K x 16, 40-ns EDO DRAM

• 128K x 8, 35-ns SRAM configured as 64K x 16

– 8-Mbit configurable 512K x 16, or 1M x 8, 55-ns Flash memory

• Communication interfaces

– HDLC synchronous communications

– 12-Mbit/s USB port

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Eurotech BRI ISDN Manual de usuario Pagina 13