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DSP56721 Datasheet(PDF) 11 Page - Freescale Semiconductor, Inc |
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DSP56721 Datasheet(HTML) 11 Page - Freescale Semiconductor, Inc |
11 / 54 page SymphonyTM DSP56720 / DSP56721 Multi-Core Audio Processors, Rev.1 Freescale Semiconductor 11 Figure 8. Ensure Correct Operation of Power-On Reset with Fast Ramp of Core_VDD 2.1.4 DC Electrical Characteristics For DC electrical characteristics, see Table 6. Table 6. DC Electrical Characteristics Characteristics Symbol Min Typ Max Unit Supply voltages • Core (Core_VDD) • PLL (PLLD_VDD, PLLD1_VDD) VDD 0.9 1.0 1.1 V Supply voltages • I/O (IO_VDD) • PLL (PLLP_VDD, PLLP1_VDD) • PLL (PLLA_VDD, PLLA1_VDD) VDDIO 3.14 3.3 3.46 V Input high voltage VIH 2.0 – VIO_VDD+2V V Note: To avoid a high current condition and possible system damage, all 3.3 volt supplies must rise before the 1.0 volt supplies rise. Input low voltage VIL -0.3 – 0.8 V Input leakage current IIN –– ± 84 μA Clock pin Input Capacitance (EXTAL) CIN 18 pF High impedance (off-state) input current (@ 3.3 V or 0V) ITSI -10 – 10 μA Output high voltage IOH = -12 mA LSYNC_OUT, LALE, LCLK Pins IOH = -16 mA, TDO Pin IOH = -24 mA VOH 2.4 – – V Output low voltage IOL = 12 mA LSYNC_OUT, LALE, LCLK Pins IOL = 16 mA, TDO Pins IOL = 24 mA VOL –– 0.4 V Core_VDD Tr must be < 10 ms 0 V 1.0V Tr |
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