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COM20022I-HT Datasheet(PDF) 1 Page - SMSC Corporation |
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COM20022I-HT Datasheet(HTML) 1 Page - SMSC Corporation |
1 / 82 page SMSC COM20022I Page 1 Revision 02-27-06 DATASHEET COM20022I 10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Board RAM Datasheet Product Features New Features − Data Rates up to 10 Mbps − Selectable 8/16 Bit Wide Bus With Data Swapper − Programmable DMA Channel − Programmable Reconfiguration Times − 48 Pin TQFP Package; Green, Lead-free Package 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 +85oC 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 2.5Mbps − RS485 Differential Driver Interface For Low Cost, Low Power, High Reliability |
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