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STM32L4P5CE bảng dữ liệu(PDF) 135 Page - STMicroelectronics

tên linh kiện STM32L4P5CE
Giải thích chi tiết về linh kiện  Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 150 DMIPS, up to 1-MB Flash memory, 320-KB SRAM, LCD-TFT, ext. SMPS
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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STM32L4P5CE bảng dữ liệu(HTML) 135 Page - STMicroelectronics

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DS12903 Rev 2
135/311
STM32L4P5xx
Electrical characteristics
277
6.1.6
Power supply scheme
Figure 26. STM32L4P5xx power supply scheme
Caution:
Each power supply pair (VDD/VSS, VDDA/VSSA etc.) must be decoupled with filtering ceramic
capacitors as shown above. These capacitors must be placed as close as possible to, or
below, the appropriate pins on the underside of the PCB to ensure the good functionality of
the device.
MSv45701V2
VDDIO2
VDD
IO
logic
Kernel logic
(CPU, Digital
& Memories)
Backup circuitry
(LSE, RTC,
Backup registers)
IN
OUT
Regulator
GPIOs
1.55 – 3.6 V
IN
OUT
GPIOs
n x 100 nF
+1 x 4.7 μF
m x100 nF
IO
logic
+4.7 μF
m x VDDIO2
m x VSS
n x VSS
n x VDD
VBAT
VCORE
Power switch
VDDIO2
VDDIO1
ADCs/
DACs/
OPAMPs/
COMPs/
VREFBUF
VREF+
VREF-
VDDA
10 nF
+1 μF
VDDA
VSSA
VREF
100 nF
+1 μF
1.00 – 1.32 V
2 x VDD12



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