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VSC8504-02 数据表(PDF) 21 Page - Microsemi Corporation |
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VSC8504-02 数据表(HTML) 21 Page - Microsemi Corporation |
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21 / 131 page  Functional Descriptions VMDS-10507 VSC8504-02 Datasheet Revision 4.2 10 3.1.6 QSGMII/SGMII MAC-to-Cat5 Link Partner The following illustration and sections show the register settings used to configure a QSGMII/SGMII MAC-to-Cat5 link partner. Figure 11 • QSGMII/SGMII MAC-to-Cat5 Link Partner 3.1.6.1 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. 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. 3.1.7 QSGMII/SGMII MAC-to-Protocol Transfer Mode The following illustration and sections show the register settings used to configure a QSGMII/SGMII MAC-to-Protocol Transfer mode. Figure 12 • QSGMII/SGMII MAC-to-Protocol Transfer Mode 3.1.7.1 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. QSGMII/SGMII, 1000BASE-X, PMA, PCS, and AutoNeg MDI Twisted Pair, PMA, PCS, and AutoNeg 4 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 SIGDET0 • • • • • • • • • • • • • • • TDP_3 TDN_3 RDP_3 RDN_3 FIBROP/N_3 FIBRIP/N_3 SIGDET3 Port 3 QSGMII/SGMII, 1000BASE-X, PMA, PCS, and AutoNeg MDI Twisted Pair, PMA, PCS, and AutoNeg 4 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 10/100/1000 BASE-T Copper SFP 10/100/1000 BASE-T Copper SFP Fiber Fiber SIGDET0 • • • • • • • • • • • • • • • TDP_3 TDN_3 RDP_3 RDN_3 FIBROP/N_3 FIBRIP/N_3 SIGDET3 10/100/1000 BASE-T Copper SFP 10/100/1000 BASE-T Copper SFP |
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