PM5381-BI PMC-Sierra, Inc., PM5381-BI Datasheet - Page 485
PM5381-BI
Manufacturer Part Number
PM5381-BI
Description
ATM UNI, Single Channel ATM PHY Interface for 2488.32Mbps
Manufacturer
PMC-Sierra, Inc.
Datasheet
1.PM5381-BI.pdf
(586 pages)
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Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2000489, Issue 4
FBCLKI
TFCLKI
The feedback clock event register bit FBCLKI provides a method to monitor activity on the
feedback clock. When the FBCLK primary input changes from a logic zero to a logic one,
the FBCLKI register bit is set to logic one.
When WCIMODE is low, the FBCLKI register bit is cleared immediately after it is read, thus
acknowledging the event has been recorded. When WCIMODE is high, the FBCLKI register
bit is cleared immediately after a logic one is written to the FBCLKI register, thus
acknowledging the event has been recorded.
This bit is not used in normal operation.
The system clock event register bit TFLCKI provides a method to monitor activity on the
system clock. When the TFCLK primary input changes from a logic zero to a logic one, the
TFCLKI register bit is set to logic one. The TFCLKI register bit is cleared immediately after
it is read, thus acknowledging the event has been recorded.
When WCIMODE is low, the TFCLKI register bit is cleared immediately after it is read, thus
acknowledging the event has been recorded. When WCIMODE is high, the TFCLKI register
bit is cleared immediately after a logic one is written to the TFCLKI register, thus
acknowledging the event has been recorded.
S/UNI-2488 Telecom Standard Product Datasheet
Released
485
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