Cypress AN2126SC Manuale del prodotto - Pagina 12

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EZ-USB Series 2100 Xcelerator Development Kit

The EZ-USB Xcelerator™

development kit provides a

complete hardware and

software solution for

accelerating the firmware

and device driver

development for all the

members of the EZ-USB

family. Other USB

development kits use

emulation of the eventual

USB device. The EZ-USB

Xcelerator developer kit uses

the actual device, the

AN2131QC, during the

entire development. Because

of the simplicity of EZ-USB

and Anchor's software

utilities, users can be up and

running USB code in hours,

not weeks!

EZ-USB Series 2100

Development Board

The EZ-USB Xcelerator develop-

ment board is compact and

powerful. It provides an

AN2131QC, 64 kilobytes of

external RAM, two UARTS, and

user-programmable seven

segment display, LED indicators,

and switches. One UART is used

to communicate with the Win-

dows-hosted debugger, and the

other is free for application use.

The indicators and switches are

connected via the EZ-USB I

port, leaving all AN2131QC I/O

lines uncommitted for prototype

development. The board can be

USB bus powered, eliminating

the need for an external power

supply. A debug monitor loads

either into internal EZ-USB RAM

or the external RAM. The exter-

nal RAM can be configured in

various ways to allow seamless

code development for EZ-USB

ROM versions.

A matching plug-in breadboard

eases the interface of custom

circuitry to the AN2131. Headers

bring out all interface signals, and

provide a convenient interface to

a logic analyzer.

C Compiler from Keil

The C compiler from Keil Soft-

ware lets the designer write 8051

microcontroller applications in C

and still get the efficiency and

speed of assembly language.

Advanced features from Keil tools

include the ability to single step

through code. This makes it easy

to detect errors, handle source

level debugging and dual-data

pointer support, and set

breakpoints. With the ability to

debug code one line at a time,

quickly compile and one-step

download new code, developers'

have a more efficient means to

complete firmware faster than

using emulators.