Datasheet Microchip COM20019i3.3V — 数据表

COM20019I 3.3V Rev.C
Cost Competitive
ARCNET (ANSI 878.1)
Controller with 2K x 8
On-Chip RAM
Datasheet Product Features
Вѓ New Features: Вѓ -Data Rates up to 312.5 Kbps
-Programmable Reconfiguration Times Eight, 256 Byte Pages Allow Four Pages TX and
RX Plus Scratch-Pad Memory Вѓ Next ID Readable Вѓ 28 Pin PLCC and 48 Pin TQFP packages; LeadFree RoHS Compliant packages also available Вѓ Internal Clock Scaler for Adjusting Network
Speed Вѓ Ideal for Industrial/Factory/Building Automation
and Transportation Applications Вѓ Operating Temperature Range of -40oC to +85oC Вѓ Вѓ 3.3V power supply with 5V tolerant I/O Deterministic, (ANSI 878.1), Token Passing
ARCNET Protocol Вѓ Self-Reconfiguration Protocol Вѓ Minimal Microcontroller and Media Interface
Logic Required Вѓ Supports up to 255 Nodes Вѓ Вѓ Flexible Interface For Use With All
Microcontrollers or Microprocessors Supports Various Network Topologies (Star,
Tree, Bus.) Вѓ CMOS, Single +3.3V Supply
Duplicate Node ID Detection Вѓ Automatically Detects Type of Microcontroller
Interface Вѓ
Вѓ Powerful Diagnostics Вѓ 2Kx8 On-Chip Dual Port RAM Вѓ Receive All Packets Mode Вѓ Command Chaining for Packet Queuing Вѓ Вѓ Sequential Access to Internal RAM Вѓ Software Programmable Node ID Flexible Media Interface:
-RS485 Differential Driver Interface For Cost
Competitive, Low Power, High Reliability ORDERING INFORMATION
Order Number(s):
COM20019I 3VLJP for 28 pin PLCC * package
COM20019I 3V-DZD for 28 pin PLCC * Lead-Free RoHS Compliant package …