XRT91L80 View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT91L80' PDF : 45 Pages View PDF
XRT91L80
PRELIMINARY
2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
JTAG
xr
REV. P1.1.0
SIGNAL NAME
TCK
TMS
TDI
TDO
TRST
PIN #
N3
N1
M8
B11
A2
TYPE
DESCRIPTION
I Test clock: Boundary Scan Clock Input.
I Test Mode Select: Boundary Scan Mode Select Input.
JTAG is disabled by default.
Note: This input pin should be pulled “Low” for JTAG operation
This pin is provided with an internal pull-up.
I Test Data In: Boundary Scan Test Data Input
This pin is provided with an internal pull-up.
O Test Data Out: Boundary Scan Test Data Output
I JTAG Test Reset Input
Note: This input pin should be pulled “Low” to reset JTAG
This pin is provided with an internal pull-up.
12
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