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AM3874 Datasheet(PDF) 149 Page - Texas Instruments |
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AM3874 Datasheet(HTML) 149 Page - Texas Instruments |
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149 / 361 page  AM3874, AM3871 www.ti.com SPRS695C – SEPTEMBER 2011 – REVISED DECEMBER 2013 4.2.5 SPI Boot Table 4-6 lists the device pins that are configured by the ROM for the SPI boot mode. Table 4-6. Pins Used in SPI Bootmode SIGNAL NAME PIN NO. TYPE SPI[0]_SCS[0] AD6 I/O SPI[0]_D[0] (MISO) AE3 I/O SPI[0]_D[1] (MOSI) AF3 I/O SPI[0]_SCLK AC7 I/O 4.2.6 Ethernet PHY Mode Selection When the EMAC bootmode is selected, via the BTMODE[4:0] pins (see Table 4-1), Table 4-7 shows the sampled value of BTMODE[9:8] pins and the Ethernet PHY Mode selection. Table 4-8 shows the signal names (pin functions) and the associated pin numbers selected in each particular EMAC mode. Table 4-7. EMAC PHY Mode Selection ETHERNET PHY MODE BTMODE[9:8] SELECTION 00b MII 01b RMII 10b RGMII 11b RESERVED Table 4-8. Pins Used in EMAC[0] MII/GMII, RGMII, and RMII Boot Modes SIGNAL NAMES PIN NO. MII/GMII TYPE RGMII TYPE RMII TYPE Output J27 DEFAULT DEFAULT EMAC_RMREFCLK only L23 EMAC[0]_MCOL I EMAC[0]_RGRXCTL I EMAC[0]_RMRXD[0] I R25 EMAC[0]_MCRS I EMAC[0]_RGRXD[2] I EMAC[0]_RMRXD[1] I K23 EMAC[0]_GMTCLK O DEFAULT DEFAULT H27 EMAC[0]_MRCLK I EMAC[0]_RGTXC O EMC[0]_RMCRSDV I G28 EMAC[0]_MRXD[0] I EMAC[0]_RGTXD[0] O EMAC[0]_RMTXD[0] O P23 EMAC[0]_MRXD[1] I EMAC[0]_RGRXD[0] I EMAC[0]_RMTXD[1] O R23 EMAC[0]_MRXD[2] I EMAC[0]_RGRXD[1] I EMAC[0]_RMTXEN O J25 EMAC[0]_MRXD[3] I DEFAULT DEFAULT T23 EMAC[0]_MRXD[4] I EMAC[0]_RGRXD[3] I DEFAULT H26 EMAC[0]_MRXD[5] I EMAC[0]_RGTXD[3] O DEFAULT F28 EMAC[0]_MRXD[6] I EMAC[0]_RGTXD[2] O DEFAULT G27 EMAC[0]_MRXD[7] I EMAC[0]_RGTXD[1] O DEFAULT K22 EMAC[0]_MRXDV I DEFAULT DEFAULT J26 EMAC[0]_MRXER I EMAC[0]_RGTXCTL O EMAC[0]_RMRXER I L24 EMAC[0]_MTCLK I EMAC[0]_RGRXC I DEFAULT J24 EMAC[0]_MTXD[0] O DEFAULT DEFAULT H25 EMAC[0]_MTXD[1] O DEFAULT DEFAULT H22 EMAC[0]_MTXD[2] O DEFAULT DEFAULT Copyright © 2011–2013, Texas Instruments Incorporated Device Configurations 149 Submit Documentation Feedback Product Folder Links: AM3874 AM3871 |
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