TMC2074-NE SMSC, TMC2074-NE Datasheet - Page 37
![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
- Current page: 37 of 116
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Dual Mode CircLink™ Controller
Datasheet
SMSC TMC2074
required prior to issuing a TX CMD. The data portion of a packet must be valid in 8 or 16 bits. This mode
restricts the data structure, but it is optimized in its real-time performance when compared to Free Format
mode since it can always communicate with the packet data.
Setting RTO to 1 (Default = 0) in the mode register limits CircLink to one packet per TX CMD write. If RTO
is switched to 1 while operating under RTO = 0, the automatic send operation is disabled immediately after
the completion of the packet delivery.
In 16-bit constitution, upper and lower bytes in the same word are preserved as the same packet data
(Refer to section 3.2.5 - COMR5 Register: Sub-address Register.
Figure 9 - Packet Structure of Remote Buffer Mode (Example of 32 bytes/page)
RAM-ADRS
8 bit constitution
(W16=L,WDMD=0)
1A
1B
1C
1D
1E
1F
00
01
02
:
:
:
7
BYTE#0
BYTE#1
BYTE#2
BYTE#3
BYTE#4
BYTE#5
CP=1A
DID
SID
:
:
:
DATASHEET
0
Page 37
RAM-ADRS
16bit constitution
(W16=L,WDMD=1 OR W16=H)
1C
1A
1E
00
02
:
:
15
( Upper Byte) ( Lower Byte )
( Upper Byte) ( Lower Byte )
( Upper Byte) ( Lower Byte )
WORD#0
WORD#1
WORD#2
dummy
DID
1
8 7
:
:
WORD#0
WORD#1
WORD#2
CP=1A
Revision 0.2 (10-23-08)
SID
0
0
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