Power Supply Scheme; Current Consumption Measurement; Figure 12. Power Supply Scheme; Figure 13. Current Consumption Measurement Scheme - STMicroelectronics STM32L151CB Manual

Electrical characteristics
6.1.6

Power supply scheme

Figure 12. Power supply scheme

Caution: In this figure, the 4.7 µF capacitor must be connected to V
6.1.7

Current consumption measurement

Figure 13. Current consumption measurement scheme

42/109
GP I/Os
V DD
V DD1/2/.../5
11 × 100 nF
+ 1 × 4.7 µF
V SS1/2/.../5
V DD
V REF
V REF+
10 nF
10 nF
V REF-
+ 1 µF
+ 1 µF
OUT
IN
Regulator
V DDA
ADC
V SSA
I DD
V DD
V DDA
Doc ID 17659 Rev 6
STM32L151xx, STM32L152xx
Standby-power circuitry
(OSC32K,RTC,
Wake-up logic
RTC backup registers)
IO
Logic
Kernel logic
(CPU,
Digital
& Memories)
Analog:
RCs, PLL,
...
.
DD2
ai14126b
ai15401c