XRT83SL314ES Exar, XRT83SL314ES Datasheet - Page 25
XRT83SL314ES
Manufacturer Part Number
XRT83SL314ES
Description
LIN Transceivers 14 CHT1/E1 LIUSH
Manufacturer
Exar
Datasheet
1.XRT83SL314ES.pdf
(83 pages)
Specifications of XRT83SL314ES
Product Category
LIN Transceivers
Rohs
yes
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14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
The interference margin for the XRT83SL314 will be added when the first revision of silicon arrives. The test
configuration for measuring the interference margin is shown in Figure 12.
F
The receive path detects EQFLAG, RLOS, AIS, QRPD, NCLD, and FLS. These alarms can be individually
masked to prevent the alarm from triggering an interrupt. To enable interrupt generation, the Global Interrupt
Enable (GIE) bit must be set "High" in the appropriate global register. Any time a change in status occurs (it
the alarms are enabled), the interrupt pin will pull "Low" to indicate an alarm has occurred. Once the status
registers have been read, the INT pin will return "High". The status registers are Reset Upon Read (RUR).
The interrupts are categorized in a hierarchical process block. Figure 13 is a simplified block diagram of the
interrupt generation process.
F
N
2.6.2
2.6.3
2.6.3.1
IGURE
IGURE
OTE
: The interrupt pin is internally pulled "High" with a 50KΩ resistor.
12. T
13. I
Interference Margin
General Alarm Detection and Interrupt Generation
NTERRUPT
EST
RLOS (Receiver Loss of Signal)
C
ONFIGURATION FOR
E1 = PRBS 2
T1 = PRBS 2
E1 = 1,024kHz
G
W&G ANT20
T1 = 772kHz
Generator
Sinewave
Analyzer
Network
ENERATION
23
15
- 1
- 1
Rx
Tx
P
ROCESS
M
Cable Loss
Flat Loss
(Indicates Which Channel(s) Experienced a Change in
EASURING
(Indicates Which Alarm Experienced a Change)
(Indicates the Alarm Condition Active/Inactive)
Global Channel Interrupt Status
Individual Alarm Status Change
B
Individual Alarm Indication
LOCK
Enable (GIE="1")
Global Interrupt
I
NTERFERENCE
Status)
22
Rx
Tx
14-Channel LIU
XRT83SL314
M
ARGIN
External Loopback
XRT83SL314
REV. 1.0.1
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