TMC2074-NE SMSC, TMC2074-NE Datasheet - Page 101
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
3.2.26 PININFO Register: Pin Setup Information
SMSC TMC2074
Current status of several CircLink setup pins except for nMUX, nRWM, nSTALONE, nDSINV, ALEPOL,
NSTPRE2, and WPRE2 can be read. It is useful to find pin setup errors by reading the current status.
CHKTSTP (bit 8) becomes 1 when one of the test pins (nTEST[3:0], nTMODE) becomes Low, thereby
notifying the CircLink being in some test mode.
*1: The nSWAP and W16 pins used to set the CPU bus can read out bit 7 and 6 in either
accesses of 16 bit, 8 bit without swap or 8 bit with swap.
*1
*1
*1
*1
PININFO
15
14
13
12
11
10
bit
9
5
4
3
2
1
0
8
7
6
name
nSWAP
W16
nOPMD
nHUBON
nEHWR
nEHRD
nCMIBYP
CHKTSTP
nSWAP
W16
nDIAG
TXENPOL
NSTPRE1
NSTPRE0
WPRE1
WPRE0
DATASHEET
init. value
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Page 101
description
status of nSWAP pin
status of W16 pin
status of nOPMD pin
status of nHUBON pin
status of nEHWR pin
status of nEHRD pin
status of nCMIBYP pin
status of CHKTSTP (Test pins)
status of nSWAP pin
status of W16 pin
status of nDIAG pin
status of TXENPOL pin
status of NSTPRE1 pin
status of NSTPRE0 pin
status of WPRE1 pin
status of WPRE0 pin
address:34h
Revision 0.2 (10-23-08)
(Read Only)
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