TMC2074-NE SMSC, TMC2074-NE Datasheet - Page 25
![no-image](/images/manufacturer_photos/0/6/617/smsc_sml.jpg)
TMC2074-NE
Manufacturer Part Number
TMC2074-NE
Description
Network Controller & Processor ICs Standalone Mode CircLink Cntlr
Manufacturer
SMSC
Datasheet
1.TMC2074-NU.pdf
(116 pages)
Specifications of TMC2074-NE
Product
Controller Area Network (CAN)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Dual Mode CircLink™ Controller
Datasheet
Chapter 2
2.1
2.2
SMSC TMC2074
ITT (Token)
FBE (Free Buffer Enquiries)
ACK (Acknowledgements)
PACKET (Data Packets)
NAK (Negative Acknowledgements)
ALERT
ALERT
ALERT
ALERT
ALERT
Communication Specification
- Data transfer bit rate
- The max. number of nodes
- Data transfer check
- Protocol
- Packet size
Message Class
The following five classes of messages are identical to those in the ARCNET protocol. Refer to the
ARCNET Controller COM20020 Rev. D datasheet for more information.
ENQ
SOH
EOT
ACK
NAK
Functional Description
DID
DID
SID
DID
DID
DID
DATASHEET
78.125 kbps to 2.5 Mbps (with 20 MHz Xtal, 5 Mbps with 40 MHz Xtal).
31 (ID = 00 is not available for use)
Only the destination node can check data transfer. Other nodes,
however, can receive (monitor) the same data.
Enhanced version of ARCNET (token passing)
256 bytes max. (User area: 253 bytes max.)
DID
Page 25
CP
DATA X n
(ARCNET Layer)
N : MAX253
CRC
Revision 0.2 (10-23-08)
CRC
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