TMC2084-HD SMSC, TMC2084-HD Datasheet - Page 71
TMC2084-HD
Manufacturer Part Number
TMC2084-HD
Description
Network Controller & Processor ICs DUAL MODE CircLink Cntlr
Manufacturer
SMSC
Datasheet
1.TMC2084-HT.pdf
(74 pages)
Specifications of TMC2084-HD
Product
Controller Area Network (CAN)
Number Of Transceivers
1
Data Rate
5 Mbps
Supply Voltage (max)
3.6 V
Supply Voltage (min)
3 V
Supply Current (max)
25 mA
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Package / Case
TQFP-48
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Standalone Mode CircLink
Datasheet
SMSC TMC2084
Crystal oscillator
nRESET
Output Stabilization Time for Shared Pins (Tphz and Tplz)
The low level on reset input pin (nRESET) sets the high-impedance state for shared pins (PD7 - 0 and
TXD). Since each pin has either a pull-up or a pull-down resister, it stabilizes to high or low level after
sufficient time. The length of stabilization time (Tphz and Tplz) depends on the resister value connected.
Therefore, the duration of reset signal must be longer than Tphz + Tplz + setup time (30 ns).
PD7-0,
TXD
Vdd
nRESET
TM
Controller
>
Tphz (or Tplz) + 30 ns
Tphz or Tplz
→ High impedance state
DATASHEET
Oscillator startup time (Tstart)
Page 71
Vdd(min): 3.0V
>
30 ns
Vdd(max): 3.6V
V
V
IH
IL
(0.8V)
(2.2V)
V
Pull-up resister is used
V
Pull-down resister is used
IH
IL
→
(0.8 X Vdd)
(0.2 X Vdd)
>
Stable
6 X Tx
Revision 0.2 (10-23-08)
V
IL
: 0.2 X Vdd
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