STM32L151RBH6TTR 查看數據表（PDF） - STMicroelectronics
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STM32L151RBH6TTR
STMicroelectronics
STM32L151RBH6TTR Datasheet PDF : 133 Pages
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Functional overview
STM32L151x6/8/B STM32L152x6/8/B
Figure 2. Clock tree
/3#?/54
/3#?).
/3#?).
/3#?/54
-#/
-3) 2#
-(Z
(3) 2#
-(Z
(3% /3#
-3)
!$##,+
TO !$#
0ERIPHERAL CLOCK
ENABLE
(3)
0,,32# 0,,-5,
X X X X
X X X
X X
-(Z
0,,6#/ 53"#,+
TO 53" INTERFACE
37
0,,$)6
(3)
0,,#,+
(3%
#33
393#,+ -(Z MAX
!("
0RESCALER
-(Z MAX
#LOCK
%NABLE
!0"
0RESCALER
(#,+
TO !(" BUS CORE
MEMORY AND $-!
TO #ORTEX 3YSTEM TIMER
&#,+ #ORTEX
FREE RUNNING CLOCK
-(Z MAX
0#,+
TO !0"
0ERIPHERAL #LOCK PERIPHERALS
%NABLE
)F !0" PRESCALER X
ELSE X
TO 4)- AND
4)-X#,+
0ERIPHERAL #LOCK
%NABLE
!0"
0RESCALER
-(Z MAX
0#,+
PERIPHERALS TO !0"
0ERIPHERAL #LOCK
%NABLE
)F !0" PRESCALER X
TO 4)- AND
ELSE X
4)-X#,+
TO
4IMER %42
0ERIPHERAL #LOCK
%NABLE
,3% /3# ,3%
K(Z
TO 24#
24##,+
24#3%,;=
TO ,#$
,3) 2#
K(Z
,3)
TO )NDEPENDENT 7ATCHDOG )7$'
)7$'#,+
-#/3%,
393#,+
(3)
-3)
(3%
0,,#,+
,3)
,3%
,EGEND
(3% (IGHSPEED EXTERNAL CLOCK SIGNAL
(3) (IGHSPEED INTERNAL CLOCK SIGNAL
,3) ,OWSPEED INTERNAL CLOCK SIGNAL
,3% ,OW SPEED EXTERNAL CLOCK SIGNAL
-3 ) -ULT ISPEED INTERNAL CLOCK SIGNAL
AIC
22/133
DocID17659 Rev 12
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