DocID022881 Rev 10
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STM32L162VC, STM32L162RC
46
Figure 2. Clock tree
-36
,3)2#
,3%/3#
(3)2#
(3%
/3#
6
6
$$#/2%
6
LEVELSHIFTERS
LEVELSHIFTERS
0,,
8
6
LEVELSHIFTERS
,3%TEMPO
-(ZCLOCK
DETECTOR
6
,3
7ATCHDOG
CK?PLLIN
SOURCE
CONTROL
#LOCK
7ATCHDOG
ENABLE
24#ENABLE
CK?HSI
CK?HSE
(3%PRESENTORNOT
,3)TEMPO
CK?PLL
!("
PRESCALER
!0"
!0"
CK?USB6CO6COMUSTBEAT-(
Z
#+?4)-393
#+?#05
#+?&#,+
#+?072
#+?53"
#+?4)-4'/
#+?!0"
#+?!0"
USBENANDNOTDEEPSLEEP
TIMERENANDNOTDEEPSLEEP
APBPERIPHENANDNOTDEEPSLEEP
APBPERIPHENANDNOTDEEPSLEEP
NOTSLEEPOR
DEEPSLEEP
NOTSLEEPOR
DEEPSLEEP
NOTDEEPSLEEP
NOTDEEPSLEEP
3TANDBYSUPPLIEDVOLTAGEDOMAIN
3YSTEM
CLOCK
-#/
IF!0"PRESC X
ELSE
X
CK?LSE
#+?,#$
-(Z
6
$$#/2%
6
$$#/2%
6
$$#/2%
,#$ENABLE
-3)2#
6
6
$$#/2%
LEVELSHIFTERS
CK?MSI
CK?LSI
#+?!$#
!$#ENABLE
,3
,3 ,3
,3
,3
,3
PRESCALER
PRESCALER
2ADIO3LEEP4IMER
24#
2ADIO3LEEP4IMERENABLE