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HD64F36049 Datasheet(PDF) 484 Page - Renesas Technology Corp |
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HD64F36049 Datasheet(HTML) 484 Page - Renesas Technology Corp |
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484 / 562 page ![]() Section 23 Electrical Characteristics Rev. 3.00 Mar. 15, 2006 Page 452 of 526 REJ09B0060-0300 23.3.3 AC Characteristics Table 23.12 AC Characteristics V CC = 2.7 to 5.5 V, VSS = 0.0 V, Ta = –20 to +75°C, unless otherwise indicated. Applicable Values Reference Item Symbol Pins Test Condition Min. Typ. Max. Unit Figure System clock oscillation f OSC OSC1, OSC2 V CC = 4.0 to 5.5 V 2.0 20.0 MHz * 1 frequency 2.0 10.0 System clock ( φ) t cyc 1 64 t OSC * 2 cycle time 12.8 µs Subclock oscillation frequency f W X1, X2 32.768 kHz Watch clock ( φ W) cycle time t W X1, X2 30.5 µs Subclock ( φ SUB) cycle time t subcyc 2 8 t W * 2 Instruction cycle time 2 t cyc t subcyc Oscillation stabilization time (crystal resonator) t rc OSC1, OSC2 10.0 ms Oscillation stabilization time (ceramic resonator) t rc OSC1, OSC2 5.0 ms Oscillation stabilization time t rcx X1, X2 2.0 s External clock t CPH OSC1 V CC = 4.0 to 5.5 V 205.0 ns Figure 23.1 high width 40.0 External clock t CPL OSC1 V CC = 4.0 to 5.5 V 20.0 ns low width 40.0 External clock t CPr OSC1 V CC = 4.0 to 5.5 V 10.0 ns rise time 15.0 External clock t CPf OSC1 V CC = 4.0 to 5.5 V 10.0 ns fall time 15.0 |
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