Datasheet Microchip COM20022i3.3V — 数据表

COM20022I 3.3V Rev.C 10 Mbps ARCNET (ANSI
878.1) Controller with
2Kx8 On-Chip RAM
Datasheet Product Features
New Features Вѓ -Data Rates up to 10 Mbps
-Selectable 8/16 Bit Wide Bus With Data Swapper
-Programmable Reconfiguration Times Eight, 256 Byte Pages Allow Four Pages TX and
RX Plus Scratch-Pad Memory Вѓ Next ID Readable Вѓ Internal Clock Scaler and Clock Multiplier for
Adjusting Network Speed Вѓ Operating Temperature Range of -40oC to +85oC Ideal for Industrial/Factory/Building Automation
and Transportation Applications Вѓ 3.3V power supply with 5V tolerant I/O Вѓ Deterministic, (ANSI 878.1), Token Passing
ARCNET Protocol Вѓ Self-Reconfiguration Protocol Вѓ Supports up to 255 Nodes Вѓ Minimal Microcontroller and Media Interface
Logic Required Вѓ Supports Various Network Topologies (Star,
Tree, Bus.) Вѓ Flexible Interface For Use With All
Microcontrollers or Microprocessors Вѓ CMOS, Single +3.3V Supply Вѓ Duplicate Node ID Detection Вѓ Automatically Detects Type of Microcontroller
Interface Вѓ Powerful Diagnostics Вѓ Вѓ Receive All Packets Mode 2Kx8 On-Chip Dual Port RAM Вѓ Вѓ Command Chaining for Packet Queuing Вѓ Sequential Access to Internal RAM Вѓ Software Programmable Node ID Вѓ Вѓ
Вѓ 48 Pin TQFP Package; Lead-Free RoHS
Compliant package also available Flexible Media Interface:
-Traditional Hybrid Interface For Long Distances
at 2.5Mbps
-RS485 Differential Driver Interface For Low Cost,
Low Power, High Reliability ORDERING INFORMATION
Order Number:
COM20022I3V-HD for 48 pin TQFP package …