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TMS320DM6431 데이터시트(PDF) 92 Page - Texas Instruments |
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TMS320DM6431 데이터시트(HTML) 92 Page - Texas Instruments |
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92 / 227 page ![]() TMS320DM6431 Digital Media Processor SPRS342C – NOVEMBER 2006 – REVISED JUNE 2008 www.ti.com Table 3-22 provides a different view of the Host Block pin muxing, showing the Host Block function based on PINMUX1 settings. The selection options are also shown pictorially in Figure 3-10. If EMAC operation is desired, EMAC must be placed in reset before programming PINMUX1.HOSTBK to select EMAC pins. Table 3-22. Host Block Function Selection PINMUX1 SETTING BLOCK FUNCTION RESULTING PIN FUNCTIONS HOSTBK GPIO (27) 000 GPIO: GP[83:57] (default) 001 Reserved Reserved 010 Reserved Reserved 011 Reserved Reserved EMAC (MII): TXCLK, CRS, COL, TXD[3:0], RXDV, TXEN, RXER, RXCLK, RXD[3:0] MDIO: MDC, MDIO 100 EMAC (MII) + MDIO + GPIO (10) GPIO: GP[66:57] If EMAC operation is desired, EMAC must be placed in reset before programming PINMUX1.HOSTBK to select EMAC pins. 101 to 111 Reserved Reserved The VDD3P3V_PWDN.HOST field determines the power state of the Host Block pins. The Host Block pins default to powered up. For more details on the VDD3P3V_PWDN.HOST field, see Section 3.2, Power Considerations. Device Configurations 92 Submit Documentation Feedback |
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