TMC2074
Dual Mode CircLinkв„ў
Controller
Datasheet PRODUCT FEATURES
Вѓ Low Power CMOS, 3.3 Volt Power Supply with 5
Volt Tolerant I/O Вѓ Supports 8 Bit Programmable General Purpose
I/O at peripheral Mode Вѓ Supports 8/16-Bit Data Bus Вѓ Supports 16 Bit Input and 16 Bit Output at
Standalone Mode Вѓ Dual Communication Modes (with Peripheral
Mode) -Both 86xx and 68hxx Platforms Вѓ 1K On-chip Dual Port Buffer Memory Вѓ Enhanced Token Passing Protocol from ARCNET --Sequential I/O Mapped Access
Maximum 31 Nodes per Network
Token Retry Mechanism
Maximum 256 Bytes per Packet
Consecutive Node ID Assignment Вѓ Memory Mirror Вѓ Network Standard Time -Вѓ Вѓ Вѓ Intelligent 1-Bit Error Correction
Magnetic Saturation Prevention Bus, Star and Tree Low Cost Media can be Used
-Network Time Synchronization
Automatic Time Stamping 1 Internal and 2 External Flexible Topologies
-Shared Memory within Network Free Format Mode
Remote Buffer Mode 3 Port Hub Integrated
-Вѓ RS485 Differential Driver Вѓ Fiber Optics and Twisted Pair Cable Supported Вѓ 128-Pin, VTQFP Lead-free RoHS Compliant
Package Вѓ Temperature Range from 0 to 70 Degrees C Coded Mark Inversion
-Вѓ -Dual Operation Modes
-Peripheral (Host) Mode Operates with MCU
Standalone (I/O) Mode Operates without MCU SMSC TMC2074 Page 1 DATASHEET Revision 0.2 (10-23-08) Dual Mode CircLinkв„ў Controller …