STM32L151VCT7DTR 데이터 시트보기 (PDF) - STMicroelectronics

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STM32L151VCT7DTR

Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3, 256KB Flash, 32KB SRAM, 8KB EEPROM, LCD, USB, ADC, DAC

STMicroelectronics 

Functional overview

STM32L151xC STM32L152xC

Figure 2. Clock tree

3TANDBYSUPPLIEDVOLTAGEDOMAIN

ENABLE

7ATCHDOG

,3)2#

,3)TEMPO

7ATCHDOG

,3

,3%/3#

,3%TEMPO

24#ENABLE

24#

2ADIO3LEEP4IMERENABLE

2ADIO3LEEP4IMER

,3 ,3 ,3 ,3

6$$#/2%

-(Z

6

-3)2#

LEVELSHIFTERS

6$$#/2%

CK?LSI

CK?LSE

6

(3)2#



LEVELSHIFTERS

6$$#/2%

6

(3%

/3#

LEVELSHIFTERS

6$$#/2%

,3

6

-(ZCLOCK

DETECTOR

,3

CK?MSI

CK?HSI

CK?HSE

6 CK?PLL

CK?PLLIN

0,,

8





LEVELSHIFTERS

(3%PRESENTORNOT 6$$#/2%

,#$ENABLE

!$#ENABLE

#+?,#$

#+?!$#

-#/



NOTDEEPSLEEP

NOTDEEPSLEEP

3YSTEM

CLOCK

!("

PRESCALER



NOTSLEEPOR

DEEPSLEEP

NOTSLEEPOR

DEEPSLEEP



#+?072

#+?&#,+

#+?#05

#+?4)-393

!0"

!0"

PRESCALER PRESCALER

 

#LOCK

SOURCE

CONTROL

#+?53"

USBENANDNOTDEEPSLEEP

CK?USB6CO6COMUSTBEATZ-(

#+?4)-4'/

#+?!0"

#+?!0"

TIMERENANDNOTDEEPSLEEP

APBPERIPHENANDNOTDEEPSLEEP

IF!0"PRESC X

ELSE

X

APBPERIPHENANDNOTDEEPSLEEP

-36

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DocID022799 Rev 13

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