TMC2074

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