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
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Figure 3-4: CMAC Clock and Reset – CAUI-4 GTM Configuration
X-Ref Target - Figure 3-4
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Figure 3-5: CMAC Clock and Reset – 100GAUI-4 GTM Configuration
X-Ref Target - Figure 3-5
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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
|