PM5364 pmc-sierra, PM5364 Datasheet - Page 236
![no-image](/images/no-image-200.jpg)
PM5364
Manufacturer Part Number
PM5364
Description
Tupp 2488 Assp Telecom Standard
Manufacturer
pmc-sierra
Datasheet
1.PM5364.pdf
(306 pages)
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Part Number:
PM5364-BI
Manufacturer:
PMC
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Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC-2011334, Issue 7
There are a number of Loopback options provided in TUPP 2488. These are mostly to aid debug
but some are also used in everyday applications.
Figure 62 Loopbacks in TUPP 2488
The Loopbacks in Figure 62 are described in Table 46.
Table 46 Loopback Options in TUPP 2488
Loopback
1
2
3
4
5
•
•
•
•
Loopbacks
You can disable the line egress parallel bus by setting the LINE_EG_PAR_DISABLE
register to save power when using the Line Serial links.
Ti_MLBEN: Enable Transmit Metallic Loopback – also assert Ri_MLBEN
Ri_DLBEN: Enable Receive Diagnostic Loopback – also assert Ti_DLBEN
Ti_DLBEN: Enable Transmit Diagnostic Loopback – also assert Ri_DLBEN
o
o LEPROT1-LIPROT1
o SIPROT6-SEPROT8
o SIPROT5-SEPROT7
Working
Working
LE CML
LE CML
LI CML
LI CML
Protect
Protect
Line Egress
Parallel Bus
1
Description
Line Loopback
STSI Loopback
HO-POH Loopback
PP Subsystem
Loopback
System Loopback
LESTSI
LI STSI
2
HO_POH
Register
LLBEN
STSI_LBEN
HPOH_LBEN
PP_LBEN
Configure
CCB
TUPP™ 2488 ASSP Telecom Standard Product Data Sheet
3
subsystem
Comment
Can also Loopback to the Egress Parallel Bus.
Write passthru switch settings for STSI bypass
—
Loopback from the Payload Processor outputs
to the Line Egress Parallel Outputs. Used for
parallel Payload Processing only applications.
Write loopback switch settings for CCB
connection memory.
PP
SVCAs
Egress
4
Ingress
Egress
MSUs
MSUs
CCB
5
Released
SE CML
SI CML
236
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