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38C3 Datasheet(PDF) 149 Page - Renesas Technology Corp |
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38C3 Datasheet(HTML) 149 Page - Renesas Technology Corp |
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149 / 224 page  3-4 38C3 Group User’s Manual APPENDIX 3.1 Electrical characteristics Table 3.1.4 Recommended operating conditions (Vcc = 2.5 to 5.5 V, Ta = –20 to 85°C, unless otherwise noted) Input frequency (duty cycle 50%) Main clock input oscillation frequency (Note 4) Sub-clock input oscillation frequency (Notes 4, 5) f(CNTR0) f(CNTR1) f(XIN) f(XCIN) Limits MHz MHz MHz MHz MHz kHz Parameter Min. Typ. 32.768 Max. 4.0 (2!VCC)–4 8.0 (4!VCC)–8 8.0 50 Symbol Unit (4.0 V ≤ VCC ≤ 5.5 V) (VCC ≤ 4.0 V) High-speed mode (4.0 V ≤ VCC ≤ 5.5 V) High-speed mode (VCC ≤ 4.0 V) Middle-speed mode Notes 4: When the oscillation frequency has a duty cycle of 50%. 5: When using the microcomputer in low-speed mode, set the sub-clock input oscillation frequency on condition that f(XCIN) < f(XIN)/3. |
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