User`s manual

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
DC
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
about.book Page xiii Wednesday, July 21, 1999 11:10 AM