COM20020IP

Product Summary

The COM20020IP is a ULANC Universal Local Area Network Controller from Standard Microsystems Corporation. The device is a general purpose communications controller for networking microcontrollers and intelligent peripherals in industrial, automotive, and embedded control environments using an ARCNET protocol engine. The small 24 pin package, flexible microcontroller and media interfaces, eight- page message support, and extended temperature range of the COM20020IP make it the only true network controller optimized for use in industrial, embedded, and automotive applications.

Parametrics

COM20020IP absolute maximum ratings: (1)Operating Temperature Range: -40 to +85℃; (2)Storage Temperature Range: -55 to +150℃; (3)Lead Temperature (soldering, 10 seconds): +325℃; (4)Positive Voltage on any pin, with respect to ground: VDD +0.3V; (5)Negative Voltage on any pin, with respect to ground: -0.3V; (6)Maximum VDD: +7V.

Features

COM20020IP features: (1)New Features, Data Rates up to 5 Mbps; Programmable Reconfiguration Times ; (2)24 Pin DIP, 28 Pin PLCC Package; (3)Ideal for Industrial/Factory/Building Automation and Transportation Applications; (4)Deterministic, (ANSI 878.1), Token Passing ARCNET Protocol; (5)Minimal Microcontroller and Media Interface Logic Required; (6)Flexible Interface For Use With All Microcontrollers or Microprocessors; (7)Automatically Detects Type of Microcontroller Interface; (8)2Kx8 On-Chip Dual Port RAM; (9)Command Chaining for Packet Queuing; (10)Sequential Access to Internal RAM; (11)Software Programmable Node ID; (12)Eight, 256 Byte Pages Allow Four Pages TX and RX Plus Scratch-Pad Memory; (13)Next ID Readable; (14)Internal Clock Scaler and Clock Multiplier for Adjusting Network Speed; (15)Operating Temperature Range of -40 to +85℃; (16)Self-Reconfiguration Protocol; (17)Supports up to 255 Nodes; (18)Supports Various Network Topologies (Star, Tree, Bus...); (19)CMOS, Single +3.3V Supply; (20)Duplicate Node ID Detection; (21)Powerful Diagnostics; (22)Receive All Packets Mode; (23)Flexible Media Interface.

Diagrams