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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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7220 데이터시트(PDF) 119 Page - Renesas Technology Corp |
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7220 데이터시트(HTML) 119 Page - Renesas Technology Corp |
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119 / 303 page  2-92 7220 Group User’s Manual FUNCTIONAL DESCRIPTION 2.14 Low-power dissipation mode Fig. 2.14.1 Oscillation stabilizing time at return by reset input Fig. 2.14.2 Execution sequence example at return by occurrence of INT0 interrupt request Timer 4 counter lWhen returning from stop mode by using INT1 interrupt (rising edge selected) XIN (System clock) “FF16” INT1 pin Peripheral device CPU Stop mode Timer 3 counter “0716” 2048 counts •INT1 interrupt signal is input (INT1 interrupt request occurs) •Oscillation starts •Timer 3 count starts •Execute STP instruction Stopping Operating Stopping Operating Oscillation stabilizing time (approximately 32768 cycles) XIN; HIGH XCIN; in high-impedance state Oper- ating INT1 interrupt request bit •2048 counts down by timer 3 •Supplying internal clock φ to CPU is started •INT1 interrupt request is accepted Oper- ating RESET XIN VCC Execute STP instruction Returned by reset input Oscillation stabilizing time Stop mode 2 µs or more Time to hold internal reset state = approximately 32768 cycles of XIN input (Note) |
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