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參數資料
| 型號： | COM20051 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Integrated Microcontroller and ARCNET (ANSI 878.1) Interface |
| 中文描述： | 集成微控制器和ARCNET網絡（的ANSI 878.1）接口 |
| 文件頁數： | 1/82頁 |
| 文件大小： | 271K |
| 代理商： | COM20051 |
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COM20051
Integrated Microcontroller and
ARCNET (ANSI 878.1) Interface
FEATURES
High Performance/Low Cost
Microcontroller Based on Popular 8051
Architecture
Intel
8051 Instruction Set Compatible
Drop-In Replacement for 80C32 PLCC
Network Supports up to 255 Nodes
Powerful Network Diagnostics
Maximum 507 Byte Packets
Duplicate Node ID Detection
Self-Configuring Network Protocol
Retains all 8051 Peripherals Including Serial
I/O and Two Timers
Utilizes ARCNET Token Bus Network
Engine
Requires No Special Emulators
5 Mbps to 156 Kbps Network Data Rate
Network Interface Supports RS-485, Twisted
Pair, Coaxial, and Fiber Optic Interfaces
Receive All Mode Allows Any Packet to Be
Received
GENERAL DESCRIPTION
The COM20051 is a low-cost, highly-integrated
microcontroller incorporating a high-performance
network controller based on the ARCNET Token
Bus Standard (ANSI 878.1). The COM20051 is
based
around
the
architecture. The device is implemented using a
microcontroller core compatible with the Intel
80C32
ROMless
version
architecture. The COM20051 is ideal for
distributed control networking applications such
as those found in industrial/machine controls,
building/factory automation, consumer products,
instrumentation and automobiles.
popular
Intel
8051
of
the
8051
The COM20051 contains many features that are
beneficial for embedded control applications.
The microcontroller is a fully-functional 16MHz
80C32 that is comparable to the Intel 80C32 with
2 timers. In contrast to other embedded
controller/networking solutions, the COM20051
adds a fully-featured, robust, powerful, and
simple network interface while retaining all of the
basic 8051 peripherals, such as the serial port
and counter/timers.
In addition, the COM20051 supports an
Emulation Mode that permits the use of a
standard 80C32 emulator in conjunction with the
COM20051 to develop software drivers for the
network core.
ARCNET core is mapped to a
256-byte page of the External Data Memory
Space
of
the
80C32.
This
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