GRL-PCIE5-CEM-RXA User Guide and MOI
Rev7.0
© Granite River Labs 2022 Version 7.0, June 2022. Updated 06.29.2022
Page 27 of 123
4.5
Select PCIe CEM 5.0 Rx Calibration
After selecting the device to be calibrated, access the
Select Tests
page on the left of the screen to
select the available PCIe CEM 5.0 based receiver calibration to be performed. Select the check
box(s) of the desired Rx calibration.
F
IGURE
17.
S
ELECT
R
X
C
ALIBRATION
4.5.1
Select to Perform TP3 Calibration
Under
‘TP
3
Calibrations’
, select to calibrate for initial Tx equalization preset, BERT de-emphasis
and pre-shoot (which form a linear curve fit), launch amplitude, random jitter (RJ), and sinusoidal
jitter (SJ) (for PCIe Gen 5 frequencies as per PCIe CEM 5.0 Rx specs and forms a linear curve fit for
each SJ frequency).
The GRL software will automatically run the selected calibration when initiated.
F
IGURE
18.
S
ELECT
TP3
C
ALIBRATION
4.5.2
Select to Perform Long Channel TP2 Calibration
Under
‘Long Channel Calibration’
, select to calibrate for differential mode (DM), common mode
(CM), and SigTest or Seasim eye calibration parameters to achieve calibrated eye height and width
to produce a final stressed eye diagram.
Note that the list for SigTest eye calibration (for preset equalization (EQ) optimization, DM
optimization, and final eye calibration) or Seasim eye calibration (for preset EQ optimization and
final eye calibration) can be toggled using the
Configurations
page
“Eye Calibration Method”
parameter. See Section 4.6 for more details.