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SPC5705BECLLR 数据表(PDF) 33 Page - Freescale Semiconductor, Inc |
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SPC5705BECLLR 数据表(HTML) 33 Page - Freescale Semiconductor, Inc |
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33 / 92 page ![]() Electrical characteristics MPC5607B Microcontroller Data Sheet, Rev. 3 Preliminary—Subject to Change Without Notice Freescale Semiconductor 33 3.8.2 Voltage monitor electrical characteristics The device implements a Power-on Reset module to ensure correct power-up initialization, as well as four low voltage detectors to monitor the VDD and the VDD_LV voltage while device is supplied: • POR monitors VDD during the power-up phase to ensure device is maintained in a safe reset state • LVDHV3 monitors VDD to ensure device reset below minimum functional supply • LVDHV3B monitors VDD_BV to ensure device reset below minimum functional supply • LVDHV5 monitors VDD when application uses device in the 5.0 V ± 10% range • LVDLVCOR monitors power domain No. 1 • LVDLVBKP monitors power domain No. 0 NOTE When enabled, power domain No. 2 is monitored through LVD_DIGBKP. Figure 9. Low voltage monitor vs reset VDD VLVDHVxH RESET VLVDHVxL |
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