4.2 Setting Parameters
4-31
(2) Data rate setting
The MP8931A supports variable data rate by inserting Stuffing Data
between packets of data rate 27 Mbits/s before 8b/10b conversion at
output. Refer to the figure below:
•
Relationship between transmission packet and Stuffing Data
Packet (188 or 204
×10 bits)
Stuffing Data (valiable: number of Stuffing Data×10 bits)
Approximate relationship between data rate to be set and number of
Stuffing Data is shown in the table below. Note that two Stuffing
Data are assumed to be included when data rate is set to 27 MHz.
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