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SH79F024XU bảng dữ liệu(PDF) 78 Page - SINOWEALTH Electronic Ltd |
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SH79F024XU bảng dữ liệu(HTML) 78 Page - SINOWEALTH Electronic Ltd |
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78 / 92 page ![]() SH79F SH79F SH79F SH79F082 082 082 082 78 8. 8. 8. 8.9 9 9 9 Warm-up Warm-up Warm-up Warm-up Timer Timer Timer Timer 8. 8. 8. 8.9 9 9 9.1 .1 .1 .1 Feature Feature Feature Feature � Built-in power on warm-up counter to eliminate unstable state of power on � Built-in oscillator warm-up counter to eliminate unstable state when oscillation startup SH79F082 has a built-in power warm-up counter; it is designed to eliminate unstable state after power on or to do some internal initial operation such as read customer option etc. SH79F082 has also a built-in oscillator warm-up counter, it is designed to eliminate unstable state when oscillator starts oscillating in the following conditions: Power-on reset, Pin reset, LVR reset, Watchdog Reset and Wake up from Power-down mode. After power-on, SH79F082 will start power warm-up procedure first, and then oscillator warm-up procedure. Power Power Power Power Warm-up Warm-up Warm-up Warm-up T T T Time ime ime ime OSC OSC OSC OSC Warm-up Warm-up Warm-up Warm-up T T T Time ime ime ime Power Power Power Power On On On On Reset/ Reset/ Reset/ Reset/ Pin Pin Pin Pin Reset/ Reset/ Reset/ Reset/ Low Low Low Low Voltage Voltage Voltage Voltage Reset Reset Reset Reset WDT WDT WDT WDT R R R Reset eset eset eset (Not (Not (Not (Not in in in in Power Power Power Power----Down Down Down Down Mode) Mode) Mode) Mode) WDT WDT WDT WDT R R R Reset eset eset eset (Wakeup (Wakeup (Wakeup (Wakeup from from from from Power Power Power Power----Down Down Down Down Mode Mode Mode Mode)))) Wakeup Wakeup Wakeup Wakeup from from from from Power Power Power Power----Down Down Down Down Mode Mode Mode Mode (Only (Only (Only (Only for for for for interrupt) interrupt) interrupt) interrupt) TPWRT** OSC Warm up* TPWRT** OSC Warm up* TPWRT** OSC Warm up* TPWRT** OSC Warm up* 11ms YES 1000 CKs NO 1000 CKs YES 64 CKs YES Option: Option: Option: Option: OP_WMT OP_WMT OP_WMT OP_WMT Oscillator Oscillator Oscillator Oscillator Type Type Type Type 00 00 00 00 01 01 01 01 10 10 10 10 11 11 11 11 Ceramic Ceramic Ceramic Ceramic 213 X Tosc 211 X Tosc 29 X Tosc 27 X Tosc Crystal Crystal Crystal Crystal 217 X Tosc 215 X Tosc 213 X Tosc 211 X Tosc Internal Internal Internal Internal RC RC RC RC 27 X Tosc |
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