The CircLink networking controller was developed for small control-oriented local network data communication based on ARCNET’s token-passing protocol that guaranteesmessage integrity and calculatable maximum delivery times.
About the TMC2072
The TMC2072 network controller is CircLink technology’s flagship product. The TMC2072’s flexibility and rich feature set enable a high-reliability and high-performance, real-time and control-oriented network without the cumbersome middle layer protocol stacks and complex packet prioritization schemes typically required.
PRODUCT FEATURES
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
Single Operation Mode
− Supports Only Peripheral (Host) Mode Operates with MCU
