STM32F205REY6TR STMicroelectronics, STM32F205REY6TR Datasheet - Page 61

• Manufacturer Part Number: STM32F205REY6TR
• Description: ARM Microcontrollers - MCU 32-Bit ARM Cortex 512kb Connectivity
• Manufacturer: STMicroelectronics

Specifications of STM32F205REY6TR

• Product Category: ARM Microcontrollers - MCU
• Rohs: yes
• Core: ARM Cortex M3
• Data Bus Width: 32 bit

STM32F20xxx
5.1.6
Figure 17. Power supply scheme
1. Each power supply pair must be decoupled with filtering ceramic capacitors as shown above. These capacitors must be
2. To connect REGOFF and IRROFF pins, refer to
3. The two 2.2 µF ceramic capacitors should be replaced by two 100 nF decoupling capacitors when the voltage regulator is
4. The 4.7 µF ceramic capacitor must be connected to one of the V
100 nF
+ 1 μF
15 × 100 nF
+ 1 × 4.7 μF
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.
OFF.
V DD
Power supply scheme
+ 1 μF
1.8-3.6 V
100 nF
V
DD
2 × 2.2 μF
V REF
REGOFF
IRROFF
1/2/...14/15
1/2/...14/15
GP I/Os
V REF+
V REF-
V DDA
V
V
V SSA
V BAT
V SS
V
CAP_1
CAP_2
DD
Section 2.2.16: Voltage
Doc ID 15818 Rev 9
regulator
Voltage
Power switch
ADC
OUT
IN
DD
pin.
regulator.
RCs, PLL,
Logic
Analog
IO
...
Backup circuitry
(OSC32K,RTC,
Wakeup logic
Backup registers,
backup RAM)
Electrical characteristics
Flash memory
Kernel logic
& RAM)
(CPU,
digital
ai17527e
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