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DSP56166ROM датащи(PDF) 24 Page - Motorola, Inc |
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DSP56166ROM датащи(HTML) 24 Page - Motorola, Inc |
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24 / 63 page ![]() PRELIMINARY - 6/15/93 MOTOROLA DSP56166 Technical Data Sheet 14 AC Electrical Characteristics — Reset, Stop, Wait, Mode Select, and Interrupt Timing (Vdd = 5.0 Vdc +/- 10%, TJ = -40 to +125 °C, CL = 50 pF + 1 TTL Load). cyc = Clock cycle = 1/2 instruction cycle = 2 T cycles ws= Number of wait states programmed into external bus access using BCR (WS = 0 - 31 ) Num Characteristics 60MHz Unit Min Max 10 RESET Assertion to Address, Data and control signals High Impedance —21 ns 11 Minimum Stabilization Dura- tion(see Note 1 )OMR bit6=0 OMR bit6=1 600KT 60T — — ns ns 12 Asynchronous RESET Deas- sertion to First External Address Output (see note 7) 16T 18T +15 ns 13 Synchronous Reset Setup Time from RESET Deassertion to Rising Edge of CLKO 5 cyc-2 ns 14 Synchronous Reset Delay Time from CLKO High to the First External Access (see note 7) 16T +3 16T +16 ns 15 Mode Select Setup Time 4.8 — ns 16 Mode Select Hold Time 0.8 — ns 17 Edge-Triggered Interrupt Request Width 3.7 — ns 18 Delay from IRQA, IRQB, IRQC Assertion to External Data Memory Access Out Valid - Caused by First Interrupt Instruction Fetch - Caused by First Interrupt Instruction Execution 11T+3 19T+3 — — ns ns 19 Delay from IRQA, IRQB, IRQC Assertion to General Purpose 22T — ns |
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