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MPC8315CVRADDA 数据表(PDF) 13 Page - Freescale Semiconductor, Inc |
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MPC8315CVRADDA 数据表(HTML) 13 Page - Freescale Semiconductor, Inc |
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13 / 106 page ![]() MPC8315E PowerQUICC II Pro Processor Hardware Specifications, Rev. 2 Freescale Semiconductor 13 Electrical Characteristics CAUTION When the device is in D3 warm (standby) mode, all external voltage supplies applied to any I/O pins, with the exception of wake-up pins, must be turned off. Applying supplied external voltage to any I/O pins, except the wake up pins, while the device is in D3 warm standby mode may cause permanent damage to the device. An example of the power-up sequence is shown in Figure 4 when implemented along with low power D3 warm mode. Figure 4. Power Up Sequencing Example with Low power D3 Warm Mode The switchable and continuous supplies can be combined when the D3 warm mode is not used. The SATA power supplies VDD33PLL and VDD33ANA should go high after NVDD3_OFF supply and go low before NVDD3_OFF supply. The NVDD3_OFF voltage levels should not drop below the VDD33PLL, VDD33ANA voltages at any time. Continuous I/O Voltage Continuous Core Voltage 90% PORESET tSYS_CLK_IN / tPCI_SYNC_IN >= 32 clock t V Switchable Core Voltage Switchable I/O Voltage (LVDDx_ON, NVDDx_ON) (GVDD, LVDDx_OFF, NVDDx_OFF) VDDC (VDD) 0 |
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