STM32L552CCT3PXXX datasheet(42/340 Pages) STMICROELECTRONICS

tên linh kiện	STM32L552CCT3PXXX

Giải thích chi tiết về linh kiện	Ultra-low-power Arm® Cortex®-M33 32-bit MCUTrustZone®FPU, 165 DMIPS, up to 512 KB Flash memory, 256 KB SRAM, SMPS

PDF	340 Pages

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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Standby

LPR

Powered

Off

SRAM2 ON

LSE

LSI

BOR, RTC, IWDG

***

All other peripherals are powered

off

***

I/O configuration can be floating,

pull-up or pull-down

Reset pin

5 I/Os (WKUPx)(9)

BOR, RTC, IWDG

OFF

Powered

Off

Shutdown

OFF

Powered

Off

Powered

Off

LSE

RTC

***

All other peripherals are powered

off

***

I/O configuration can be floating,

pull-up or pull-down(10)

Reset pin

5 I/Os (WKUPx)(9)

RTC

1. LPR means Main regulator is OFF and Low-power regulator is ON.

2. All peripherals can be active or clock gated to save power consumption.

3. The Flash memory can be put in power-down and its clock can be gated off when executing from SRAM.

4. The SRAM1 and SRAM2 clocks can be gated on or off independently.

SMPS mode can be used in Stop 0 mode, but no significant power gain can be expected.

6. U(S)ART and LPUART reception is functional in Stop mode, and generates a wakeup interrupt on Start, address match or received frame event.

7. I2C address detection is functional in Stop mode, and generates a wakeup interrupt in case of address match.

8. USB_FS wakeup by resume from suspend and attach detection protocol event.

9. The I/Os with wakeup from Standby/Shutdown capability are: PA0, PC13, PE6, PA2, PC5.

10. I/Os can be configured with internal pull-up, pull-down or floating in Shutdown mode but the configuration is lost when exiting the Shutdown mode.

Table 10. STM32L552xx modes overview (continued)

Mode

Regulator and SMPS

mode(1)

CPU

Flash

SRAM

Clocks

DMA and Peripherals(2)

Wakeup source

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