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VSC8504-02 Datasheet(PDF) 18 Page - Microsemi Corporation |
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VSC8504-02 Datasheet(HTML) 18 Page - Microsemi Corporation |
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18 / 131 page  Functional Descriptions VMDS-10507 VSC8504-02 Datasheet Revision 4.2 7 3.1.2 QSGMII/SGMII MAC-to-100BASE-FX Link Partner The following illustration and sections show the register settings used to configure a QSGMII/SGMII MAC-to-100BASE-FX link partner. Figure 7 • QSGMII/SGMII MAC-to-100BASE-FX Link Partner 3.1.2.1 MAC interface SGMII Use the following settings to configure the SGMII MAC interface. • Set register 19G bits 15:14 = 00. • Set register 23 (main register) bit 12 = 0. • Set register 18G = 0x80F0. For more information, see Table 59, page 70. 3.1.2.2 Media interface 100BASE-FX SFP Fiber (100BASE-FX Link Partner) Use the following settings to configure the 100BASE-FX SFP fiber media interface. • Set register 23 bits 10:8 = 011. • Set register 0 bit 12 = 0 (autonegotiation not present in 100BASE-FX PHY). • Set register 18G = 0x8FD1. For more information, see Table 59, page 70. For QSGMII only port 0 is used. Note: Whenever there is a mode change a software reset (register 0 bit 15) is required to make the mode change effective. This register is cleared when read. 3.1.3 QSGMII/SGMII MAC-to-AMS and 1000BASE-X Media SerDes The following illustration and sections show the register settings used to configure a QSGMII/SGMII MAC-to-AMS and 1000BASE-X media SerDes. Figure 8 • QSGMII/SGMII MAC-to-AMS and 1000BASE-X Media SerDes QSGMII/SGMII, 1000BASE-X, PMA, PCS, and AutoNeg QSGMII MAC TDP_0 TDN_0 RDP_0 RDN_0 • • • • • • TDP_3 TDN_3 RDP_3 RDN_3 MDI Twisted Pair, PMA, PCS, and AutoNeg 4 100BASE-FX SFP Module 100BASE-FX LP 4 4 4 100BASE-FX, PMA, PCS, and AutoNeg 1000BASE-X Fiber, 10/100/1000BASE-T Copper SFP, PMA, PCS, and AutoNeg FIBROP/N_0 FIBRIP/N_0 TXVP_0 TXVN_0 TXVP_3 TXVN_3 Fiber Fiber 100BASE-FX SFP Module 100BASE-FX LP Fiber Fiber SIGDET0 • • • • • • • • • • • • FIBROP/N_3 FIBRIP/N_3 SIGDET3 QSGMII/SGMII, 1000BASE-X, PMA, PCS, and AutoNeg MDI Twisted Pair, PMA, PCS, and AutoNeg 4 1000BASE-X SFP Module 1000BASE-X LP 10/100/1000 BASE-T LP 10/100/1000 BASE-T LP Port 0 4 4 4 QSGMII/ SGMII MAC 100BASE-FX, PMA, PCS, and AutoNeg 1000BASE-X Fiber, 10/100/1000BASE-T Copper SFP, PMA, PCS, and AutoNeg FIBROP/N_0 TDP_0 TDN_0 RDP_0 RDN_0 FIBRIP/N_0 TXVP_0 TXVN_0 TXVP_3 TXVN_3 Fiber Fiber 1000BASE-X SFP Module 1000BASE-X LP Fiber Fiber SIGDET0 • • • • • • • • • • • • • • • • • • • • • TDP_3 TDN_3 RDP_3 RDN_3 FIBROP/N_3 FIBRIP/N_3 SIGDET3 Port 3 |
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