82V2042EPF8 IDT, Integrated Device Technology Inc, 82V2042EPF8 Datasheet - Page 37
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82V2042EPF8
Manufacturer Part Number
82V2042EPF8
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82V2042EPF8.pdf
(83 pages)
Specifications of 82V2042EPF8
Screening Level
Industrial
Mounting
Surface Mount
Package Type
TQFP
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Not Compliant
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Note:
FUNCTIONAL DESCRIPTION
IDT82V2042E
It is recommended that users should do the followings within next round of error count-
ing: Read the data in CNT0 and CNT1; Reset CNT_TRF bit for the next ‘0’ to ‘1’ tran-
sition on this bit.
Figure-18 Manual Report Mode
N
CNT0, CNT1
counter
counter
CNT1 within next round
Reset CNT_TRF for the
Read the data in CNT0,
Manual Report mode
next '0' to '1' transition
A '0' to '1' transition
on CNT_TRF?
(CNT_MD=0)
counting
0
Y
data in
1
same process
next round
repeat the
DUAL CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
37
3.9.3
stream, will a ‘0’ to ‘1’ transition on the BPV_INS bit (MAINT6, 12H...) gen-
erate a bipolar violation pulse, and the polarity of the second ‘1’ in the series
will be inverted.
a logic error during the PRBS/QRSS transmission.
3.10 LINE DRIVER FAILURE MONITORING
DFM_OFF bit (TCF1, 05H...). If the transmit driver failure monitor is
enabled, the transmit driver failure will be captured by DF_S bit (STAT0,
16H...). The transition of the DF_S bit is reflected by DF_IS bit (INTS0,
18H...), and, if enabled by DF_IM bit (INTM0, 13H...), will generate an inter-
rupt. When there is a short circuit on the TTIPn/TRINGn port, the output cur-
rent will be limited to 100 mA (typical), and an interrupt will be generated.
enabled.
Only when three consecutive ‘1’s are detected in the transmit data
A ‘0’ to ‘1’ transition on the EER_INS bit (MAINT6, 12H...) will generate
The transmit driver failure monitor can be enabled or disabled by setting
In hardware
BIPOLAR VIOLATION AND PRBS ERROR INSERTION
control
mode, the transmit driver failure monitor is always
December 12, 2005
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