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Am186™CC Microcontroller Router Reference Design User’s Manual

2-1

Chapter 2

System Features and Components

The Am186CC microcontroller router reference design is a single-sided,

6.5 x 9.75-inch, printed circuit board that integrates the Am186CC microcontroller

and I/O interfaces onto one board, enabling you to develop ISDN, Ethernet, High-

Speed UART, USB, and POTS applications.

The following sections explain the operation of the board in detail:

• “Layout and Placement” on page 2-2

• “Power Supply” on page 2-7

• “Am186™CC Microcontroller” on page 2-9

• “System Memory” on page 2-13

• “10BaseT Ethernet Interface” on page 2-15

• “ISDN Interface” on page 2-18

• “Serial PC Interface” on page 2-22

• “USB PC Interface” on page 2-23

• “POTS Interface” on page 2-25

• “Debug Circuitry” on page 2-28

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Eurotech BRI ISDN Manuel d'utilisateur Page 27