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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AM3703CUS датащи(PDF) 129 Page - Texas Instruments |
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AM3703CUS датащи(HTML) 129 Page - Texas Instruments |
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129 / 280 page  AM3715, AM3703 www.ti.com SPRS616F – JUNE 2010 – REVISED AUGUST 2011 NOTE • Decoupling capacitors must be placed as closed as possible of the power ball. Choose the ground located closest to the power pin for each decoupling capacitor. In case of interconnecting powers, first insert the decoupling capacitor and then interconnect the powers. • The decoupling capacitor value depends on the board characteristics. 3.5 Power-Up and Power-Down Sequences This section provides the timing requirements for the device hardware signals. NOTE • If the MMC dual voltages interfaces are used with 1.8-V or 3.0-V, then the power-up and power-down sequences specified in the Figure 3-2 and Figure 3-3 must be followed carefully to avoid any significant current consumption. • If the MMC dual voltages interfaces are used with 1.8-V only (3.0-V is never used), then vdds_mmc1, vdds_x may be connected to the main power supply vdds so that they ramp up together before vdd_core. 3.5.1 Power-Up Sequence NOTE For more information, see the Power, Reset, and Clock Management / PRCM Functional Description / PRCM Reset Manager Functional Description / Reset Sequences of the AM/DM37x Multimedia Device Technical Reference Manual (literature number SPRUGN4). Figure 3-2 shows the power-up sequence. Copyright © 2010–2011, Texas Instruments Incorporated Electrical Characteristics 129 Submit Documentation Feedback Product Folder Link(s): AM3715 AM3703 |
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