
Signal Name Direction Description
z130_local_rai Output Indicates that either the z130_local_lof or the z130_
local_los signal is high; clears when both of those two
signals are low. Logical OR of two input signals z130_
local_lof and z130_local_los.
z130_reset_assert Input Reset request from the application or from an RE slave to
the current RE CPRI master IP core through a direct
connection.
z130_remote_lof Output Indicates LOF received in Z.130.0 control byte from
remote CPRI link partner.
z130_remote_los Output Indicates LOS received in Z.130.0 control byte from
remote CPRI link partner.
z130_sdi_req Output Indicates remote SAP defect indication received in Z.130.0
control byte from remote CPRI link master. If the current
CPRI IP core is an RE slave in a multi-hip configuration,
you should connect this output signal directly to the
z130_sdi_assert input signal of the downstream RE
master.
z130_remote_rai Output Asserts when either z130_remote_lof or z130_remote_
los is asserted, and clears when both z130_remote_lof
and z130_remote_los have the value of 0.
z130_reset_req Output If the current IP core is a CPRI link slave, indicates the IP
core received a reset request in the Z.130.0 control byte
from the remote CPRI link master.
If the current IP core is a CPRI link master, indicates the
IP core received a reset acknowledgement in the Z.130.0
control byte from the remote CPRI link slave.
3-30
Direct L1 Control and Status Interface
UG-01156
2014.08.18
Altera Corporation
Functional Description
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