TMC2074
Dual Mode CircLink
™
Controller
Datasheet
PRODUCT FEATURES
Low Power CMOS, 3.3 Volt Power Supply with 5
Volt Tolerant I/O
Supports 8/16-Bit Data Bus
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Both 86xx and 68hxx Platforms
Sequential I/O Mapped Access
Maximum 31 Nodes per Network
Token Retry Mechanism
Maximum 256 Bytes per Packet
Consecutive Node ID Assignment
Shared Memory within Network
Network Time Synchronization
Automatic Time Stamping
Intelligent 1-Bit Error Correction
Magnetic Saturation Prevention
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)
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Free Format Mode
Remote Buffer Mode
1 Internal and 2 External
Bus, Star and Tree
RS485 Differential Driver
1K On-chip Dual Port Buffer Memory
Enhanced Token Passing Protocol from ARCNET
3 Port Hub Integrated
Flexible Topologies
Low Cost Media can be Used
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
Memory Mirror
Network Standard Time
Coded Mark Inversion
Dual Operation Modes
SMSC TMC2074
Page 1
Revision 0.1 (03-29-06)
DATASHEET
SMSC [ SMSC CORPORATION ]
