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COM20020ILJP Datasheet(PDF) 1 Page - Microchip Technology |
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COM20020ILJP Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 72 page  SMSC COM20020I Rev D Page 1 Revision 12-05-06 DATASHEET COM20020I Rev D 5Mbps ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM Datasheet Product Features New Features for Rev. D − Data Rates up to 5 Mbps − Programmable Reconfiguration Times 28 Pin PLCC and 48 Pin TQFP Packages; Lead-free RoHS Compliant Packages also Available Ideal for Industrial/Factory/Building Automation and Transportation Applications Deterministic, (ANSI 878.1), Token Passing ARCNET Protocol Minimal Microcontroller and Media Interface Logic Required Flexible Interface For Use With All Microcontrollers or Microprocessors Automatically Detects Type of Microcontroller Interface 2Kx8 On-Chip Dual Port RAM Command Chaining for Packet Queuing Sequential Access to Internal RAM Software Programmable Node ID Eight, 256 Byte Pages Allow Four Pages TX and RX Plus Scratch-Pad Memory Next ID Readable Internal Clock Scaler and Clock Multiplier for Adjusting Network Speed Operating Temperature Range of -40 oC to +85 oC Self-Reconfiguration Protocol Supports up to 255 Nodes Supports Various Network Topologies (Star, Tree, Bus...) CMOS, Single +5V Supply Duplicate Node ID Detection Powerful Diagnostics Receive All Packets Mode Flexible Media Interface: − Traditional Hybrid Interface For Long Distances up to Four Miles at 2.5 Mbps − RS485 Differential Driver Interface For Low Cost, Low Power, High Reliability ORDERING INFORMATION Order Numbers: COM20020ILJP for 28 pin PLCC package COM20020I-DZD for 28 pin PLCC lead-free RoHS compliant package COM20020I-HD for 48 pin TQFP package COM20020I-HT for 48 pin TQFP lead-free RoHS compliant package |
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