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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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ST7263BEx Datenblatt(PDF) 42 Page - STMicroelectronics |
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ST7263BEx Datenblatt(HTML) 42 Page - STMicroelectronics |
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42 / 186 page  Power saving modes ST7263Bxx 42/186 Doc ID 7516 Rev 8 The MCU will remain in Wait mode until a Reset or an interrupt occurs, causing it to wake up. Refer to Figure 21. Related documentation AN 980: ST7 Keypad Decoding Techniques, Implementing Wakeup on Keystroke AN1014: How to Minimize the ST7 Power Consumption AN1605: Using an active RC to wakeup the ST7LITE0 from power saving mode Figure 21. Wait mode flowchart 1. Before servicing an interrupt, the CC register is pushed on the stack. The I-Bit is set during the interrupt routine and cleared when the CC register is popped. WFI INSTRUCTION RESET INTERRUPT Y N N Y CPU CLOCK OSCILLATOR PERIPH. CLOCK I-BIT ON ON CLEARED OFF CPU CLOCK OSCILLATOR PERIPH. CLOCK I-BIT ON ON SET ON FETCH RESET VECTOR OR SERVICE INTERRUPT 4096 CPU CLOCK CYCLES DELAY IF RESET |
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