7554 - [Avant-E] SGMII and Gb Ethernet PCS IP Core: Can I implement 2 or 4 SGMII with the Avant-E30?
For Avant SGMII, the Rx data path of each port needs 1 PLL for soft CDR, associated with the HPIO of the same bank. As for Tx, a single PLL can be shared across multiple ports. Therefore, for 2 SGMII, the customer needs 2 + 1 = 3 PLL, and for 4 ...