Altera CPRI v6.0 MegaCore Function - Manual (Page 108)

Bits Field Name Type Value on
Reset
Description
23
rx_ex_
delay_
valid
RC 1'b0 Indicates that the
rx_ex_delay
field has been updated.
22:
RX_
BUF_
DEPTH
Reserved UR0 0
(
RX_
BUF_
DEPTH
-
1):0
rx_ex_
delay
RO 0 Rx buffer extended delay measurement result. Unit is
cpri_
clkout
clock periods.
Related Information
• Extended Delay Measurement on page 3-41
• Extended Delay Measurement Interface on page 3-43
ROUND_TRIP_DELAY Register
Table 5-25: CPRI v6.0 IP Core ROUND_TRIP_DELAY Register at Offset 0x58
Bits Field Name Type Value on
Reset
Description
31:10 Reserved UR0 22'b0
9:0
round_
trip_
delay
RO 10'b0 Measured round-trip delay from
aux_tx_rfp
to
aux_rx_rfp
.
Unit is
cpri_clkout
clock periods..
XCVR_BITSLIP Register
Table 5-26: CPRI v6.0 IP Core IXCVR_BITSLIP Register at Offset 0x5C
Bits Field Name Type Value on
Reset
Description
31:21 Reserved UR0 11'b0
UG-01156
2015.02.16
ROUND_TRIP_DELAY Register 5-19
CPRI v6.0 IP Core Registers Altera Corporation
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