TMC2074-NE SMSC, TMC2074-NE Datasheet - Page 100
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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: 100 of 116
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3.2.25 NSTDIF Register: NST Phase Difference
Supplement:
Revision 0.2 (10-23-08)
DIFDIR (NSTDIF register: bit 15)
This bit indicates a direction of NST phase difference. This bit is not applicable for the clock master node.
0: Ahead of CM node
1: Behind CM node
NSTDIF14-0 (NSTDIF register: bit 14-0)
These bits are used to express the absolute value of the phase difference between a CM node and NST in
0 to 32, 768. These bits are not applicable if the node is a clock master node.
Accessing the NST register can dynamically provide the latest time data. Since NST is a 16 bit value, it is
necessary to read the even address side (32h) first when 8-bit bus is used. When the even address side
(13h) is read out, the remaining 8 bits of the NST are latched internally.
NSTDIF
If the node is a clock master node, the NSTDIF register is tied to 0000h.
14-0
Bit
15
name
DIFDIR
NSTDIF14-0
DATASHEET
init. value
all”0”
1
Page 100
description
Differential Direction
NST Differential
Dual Mode CircLink™ Controller
address:32h
(Read Only)
SMSC TMC2074
Datasheet
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