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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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SPSB081 데이터시트(PDF) 14 Page - STMicroelectronics |
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SPSB081 데이터시트(HTML) 14 Page - STMicroelectronics |
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14 / 137 page  3.2.5 Voltage regulator behavior Figure 6. Voltage regulator behavior and diagnosis during supply voltage ramp-up/ramp-down conditions 3.3 Operating modes The device can be operated in four different operating modes: • Active mode: normal operating mode • SW-debug mode: software debugging • V1_standby mode: low power mode • VBAT_standby mode: ultralow power mode 3.3.1 Active mode All functions are available, and the device is controlled by SPI. 3.3.2 SW-debug mode To allow software debugging, the watchdog can be deactivated by applying an external voltage to the DEBUG input pin (VDEBUG > VdiH). In debug mode, all device functionality is available, including CAN, which is enabled by default. The watchdog is deactivated. At exit from debug mode (VDEBUG < VdiL) the watchdog starts with a long open window. Note: The device includes a test mode that is activated by a dedicated sequence including, among others, a high voltage at the debug pin; debug mode is not intended for normal applicative conditions. SPSB081 Operating modes DS14048 - Rev 3 page 14/137 |
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