| 전자부품 데이터시트 검색엔진 |
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HD404369F 데이터시트(PDF) 109 Page - Renesas Technology Corp |
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HD404369F 데이터시트(HTML) 109 Page - Renesas Technology Corp |
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109 / 117 page ![]() HD404369 Series 107 Notes: 1. When using the subsystem oscillator (32.768 kHz), one of the following relationships for f OSC must be applied. 0.4 MHz ≤ f OSC ≤ 1.0 MHz or 1.6 MHz ≤ fOSC ≤ 5.0 MHz The operating range for f OSC can be set with bit 1 of system clock selection register 1 (SSR1: $027). 2. The oscillation stabilization time is the period required for the oscillator to stabilize in the following situations: a. After V CC reaches 2.7 V at power-on. b. After RESET input goes low when stop mode is cancelled. c. After STOPC input goes low when stop mode is cancelled. To ensure the oscillation stabilization time at power-on or when stop mode is cancelled, RESET or STOPC must be input for at least a duration of t RC. When using a crystal or ceramic oscillator, consult with the manufacturer to determine what stabilization time is required, since it will depend on the circuit constants and stray capacitance. 3. Refer to figure 84. 4. Refer to figure 85. 5. Refer to figure 86. 6. Refer to figure 87. |
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