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STM32L432KB bảng dữ liệu(PDF) 20 Page - STMicroelectronics

tên linh kiện STM32L432KB
Giải thích chi tiết về linh kiện  Batch acquisition mode
PDF  149 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STM32L432KB bảng dữ liệu(HTML) 20 Page - STMicroelectronics

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Functional overview
STM32L432KB STM3L432KC
20/149
DocID028798 Rev 2
Standby mode, supplied by the low-power Regulator (Standby with RAM2 retention
mode).
The device exits Standby mode when an external reset (NRST pin), an IWDG reset,
WKUP pin event (configurable rising or falling edge), or an RTC event occurs (alarm,
periodic wakeup, timestamp, tamper) or a failure is detected on LSE (CSS on LSE).
The system clock after wakeup is MSI up to 8 MHz.
•
Shutdown mode
The Shutdown mode allows to achieve the lowest power consumption. The internal
regulator is switched off so that the VCORE domain is powered off. The PLL, the
HSI16, the MSI and the LSI oscillators are also switched off.
The RTC can remain active (Shutdown mode with RTC, Shutdown mode without RTC).
The BOR is not available in Shutdown mode. No power voltage monitoring is possible
in this mode, therefore the switch to Backup domain is not supported.
SRAM1, SRAM2 and register contents are lost except for registers in the Backup
domain.
The device exits Shutdown mode when an external reset (NRST pin), a WKUP pin
event (configurable rising or falling edge), or an RTC event occurs (alarm, periodic
wakeup, timestamp, tamper).
The system clock after wakeup is MSI at 4 MHz.



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