Datasheet

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STM32L15xCC STM32L15xRC STM32L15xUC STM32L15xVC Electrical characteristics
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6.1.6 Power supply scheme
Figure 12. Power supply scheme
Analog:
RC
S
,PLL,COMP,
….
MS32461V2
V
DD1/2/.../N
GP I/Os
OUT
IN
Kernel logic
(CPU, Digital
& Memories)
Standby-power circuitry
(OSC32K,RTC,
RTC backup registers)
Wake-up logic
N × 100 nF
+ 1 × 10 μF
Regulator
V
SS1/2/.../N
V
DDA
V
REF+
V
REF-
V
SSA
ADC/
DAC
Level shifter
IO
Logic
V
DD
100 nF
+ 1 μF
V
REF
100 nF
+ 1 μF
V
DDA