Artesyn COMX-P40x0 ENP2, Manual

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Clock Structure
COMX-P40x0 ENP2 Installation and Use (6806800R95B )
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Bank1_SEL_FS0=1, 125MHz Bank2_SEL_S1=1, 125MHz
*Default:100MHz *Default:125MHz
Table 5-2 Configuration of the frequency of SERDES reference clock by GPIO
SERDES bank 1 reference clock SERDES bank 2 reference clock
CPU_GPIO23=0, 100MHz CPU_GPIO24=0, 100MHz
CPU_GPIO23=1, 125MHz CPU_GPIO24=1, 125MHz
Default:100MHz Default:125MHz
Table 5-1 Configuration of the frequency of SERDES reference clock by carrier (continued)
SERDES bank 1 reference clock select (pin B97
on COME) SERDES bank 2/3 reference clock select (pin B98
on COME)