The mapping between the 100G Ethernet IP with high speed GTM transceiver along with the clocking and reset modules are depicted in
This Figure
and
This Figure
.
Figure 3-3:
CMAC Clock and Reset – 100GAUI-2 GTM with Transcode Configuration
|
X-Ref Target - Figure 3-3
|
Figure 3-4:
CMAC Clock and Reset – CAUI-4 GTM Configuration
|
X-Ref Target - Figure 3-4
|
Figure 3-5:
CMAC Clock and Reset – 100GAUI-4 GTM Configuration
|
X-Ref Target - Figure 3-5
|
The supported GTM configurations for CMAC is shown in
Table: Supported CMAC-GTM configurations
.
Table 3-1:
Supported CMAC-GTM configurations
|
Configuration
|
GTM Presets Used
|
Line Rate
(Gb/s)
|
GTM Data Encoding
|
GTM Data Width
|
|
100GAUI-2
|
GTM-PAM4_100GAUI_2
|
53.125
|
PAM4
|
160
|
|
CAUI-4
|
GTM-NRZ_CAUI_4
|
25.78125
|
NRZ
|
64
|
|
100GAUI-4
|
GTM-NRZ_100GAUI_4
|
26.5625
|
NRZ
|
64
|
