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TMC2084-HT

Standalone Mode CircLink™ Controller

SMSC -> Microchip 

TMC2084

Standalone Mode

CircLinkTM Controller

PRODUCT FEATURES

ƒ Low Power CMOS, 3.3 Volt Power Supply with 5

Volt Tolerant I/O

ƒ Enhanced Token Passing Protocol from ARCNET

− Maximum 15 node per network

− Token Retry Mechanism

− 64/128 Byte Per Packet

− Consecutive Node ID Assignment

ƒ Memory Mirror

− Shared Memory Within Network

ƒ Network Standard Time

− Network Time Synchronization

− Automatic Time Stamping

ƒ Coded Mark Inversion

− Intelligent 1-Bit Error Correction

− Magnetic Saturation Prevention

ƒ Standalone I/O Mode Operates without MCU

− Supports 16 Bit Input and 16 Bit Output

ƒ Up to 14 Intelligent Remote I/O Ports:

− Programmable with 8-bit basis (16 to 32 outputs; 0 to

16 inputs)

− Selectable output type (push-pull or open-drain)

− The part of port is definable as strobe outputs and/or

external trigger inputs

− The anti-chatter circuit on the input port can be set in

ON/OFF

− The sampling frequency of the anti-chatter circuit can

be set (19.1Hz/1.22KHz)

Datasheet

ƒ Feature Rich Transmit Trigger:

− After receiving OUTPUT DATA packet or expiring on-

chip timer

− Continuous transmission

− External trigger input

ƒ Flexible Transceiver Interface:

− RS-485 transceiver + twist pair cable

− RS-485 transceiver + pulse transformer + twist pair

cable

− Hybrid transceiver (HYC4000 or HYC2000 from

SMSC Japan)

− Fiber Optics also supported

ƒ 48-Pin TQFP Package; Green, Lead-free Package

also available

− Body size: 7 × 7mm; pitch: 0.5mm; lead-free

ƒ Temperature Range from 0 to 70 degrees C

SMSC TMC2084

Page 1

DATASHEET

Revision 0.1 (03-31-06)

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