TMC2074-NE SMSC, TMC2074-NE Datasheet - Page 4

• Manufacturer Part Number: TMC2074-NE
• Description: Network Controller & Processor ICs Standalone Mode CircLink Cntlr
• Manufacturer: SMSC

Specifications of TMC2074-NE

• Product: Controller Area Network (CAN)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.6.2
2.7
2.7.1
2.7.2
2.8
2.8.1
2.8.2
2.9
2.9.1
2.9.2
2.9.3
2.9.4
2.10
2.10.1
2.10.2
2.10.3
2.11
2.12
2.12.1
2.12.2
2.12.3
2.12.4
2.13
2.14
2.14.1
2.14.2
2.15
Chapter 3
3.1
3.2
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
3.2.8
3.2.9
3.2.10
3.2.11
3.2.12
3.2.13
3.2.14
3.2.15
3.2.16
3.2.17
3.2.18
3.2.19
3.2.20
3.2.21
3.2.22
3.2.23
Revision 0.2 (10-23-08)
CircLink Operation and Communication Modes ..........................................................................................35
Sending in Peripheral Mode ...........................................................................................................................38
Receive in Peripheral Mode............................................................................................................................39
Register Map....................................................................................................................................................67
Details of Register ...........................................................................................................................................70
Interface Restrictions .....................................................................................................................................34
Operational Mode ..........................................................................................................................................35
Communication Mode ....................................................................................................................................36
Example of Sending Control from CPU in Free Format Mode .......................................................................38
TX Control from CPU in Remote Buffer Mode ...............................................................................................39
Temporary Receive and Direct Receive ........................................................................................................40
Example of Receive Flow in Free Format Mode ............................................................................................43
Example of Receive Flow in Remote Buffer Mode.........................................................................................44
Warning Timer (WT) at Remote Buffer Receive ............................................................................................44
Standalone Mode .........................................................................................................................................47
Diagnostic Mode ..........................................................................................................................................54
Network Standard Time (NST) ....................................................................................................................55
CMI Modem...................................................................................................................................................62
HUB Function...............................................................................................................................................62
8-Bit General-purpose I/O Port (New function) .........................................................................................66
COMR0 Register: Status/interrupt Mask Register..........................................................................................70
COMR1 Register: Diagnostic/Command Register .........................................................................................72
COMR2 Register: Page Register ...................................................................................................................74
COMR3 Register: Page-internal Address Register ........................................................................................75
COMR5 Register: Sub-address Register .......................................................................................................77
COMR6 Register: Configuration Register ......................................................................................................78
COMR7 Register............................................................................................................................................80
NST Register: Network Standard Time..........................................................................................................84
INTSTA Register: EC Interrupt Status ...........................................................................................................84
General Description of Standalone Mode...................................................................................................47
Sending in Standalone Mode .....................................................................................................................47
Reception in Standalone Mode ..................................................................................................................50
Functions Provided by NST........................................................................................................................55
Time-synchronous Sequence.....................................................................................................................56
Phase Error ................................................................................................................................................57
nNSTCOUT Pulse Generation Cycle .........................................................................................................60
Operation Example of HUB Function .........................................................................................................64
Timer Expansion in Multi-stage Cascade Connection ................................................................................65
INTMSK Register: EC Interrupt Mask.........................................................................................................87
ECCMD Register: EC Command Register .................................................................................................88
RSID Register: Receive SID ......................................................................................................................89
SSID Register: SID.....................................................................................................................................89
RXFH Register: Receive Flag (higher side)................................................................................................90
RXFL Register: Receive Flag (lower side)..................................................................................................91
CMID Register: Clock Master Node ID.......................................................................................................92
MODE Register: Operation Mode Setup Register ......................................................................................93
CARRY Register: Carry Selection for External Output ...............................................................................95
RXMH register: Receive mode (higher side) ..............................................................................................96
RXML Register: Receive Mode (lower side)...............................................................................................97
MAXID Register: Selection of Max. ID........................................................................................................98
NID Register: Selection of the Node ID ......................................................................................................98
PS Register: Page Size Selection ..............................................................................................................99
Description of Registers ......................................................................................................................67
DATASHEET
Page 4
Dual Mode CircLink™ Controller
SMSC TMC2074
Datasheet