STM32F205REY6TR STMicroelectronics, STM32F205REY6TR Datasheet - Page 24
STM32F205REY6TR
Manufacturer Part Number
STM32F205REY6TR
Description
ARM Microcontrollers - MCU 32-Bit ARM Cortex 512kb Connectivity
Manufacturer
STMicroelectronics
Datasheet
1.STM32F207VFT6TR.pdf
(177 pages)
Specifications of STM32F205REY6TR
Product Category
ARM Microcontrollers - MCU
Rohs
yes
Core
ARM Cortex M3
Data Bus Width
32 bit
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Description
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Figure 6.
1. This figure is valid both whatever the internal reset mode (ON or OFF).
Figure 7.
Real-time clock (RTC), backup SRAM and backup registers
The backup domain of the STM32F20x devices includes:
●
●
●
The real-time clock (RTC) is an independent BCD timer/counter. Dedicated registers contain
the second, minute, hour (in 12/24 hour), week day, date, month, year, in BCD (binary-coded
decimal) format. Correction for 28, 29 (leap year), 30, and 31 day of the month are
performed automatically. The RTC provides a programmable alarm and programmable
periodic interrupts with wakeup from Stop and Standby modes.
It is clocked by a 32.768 kHz external crystal, resonator or oscillator, the internal low-power
RC oscillator or the high-speed external clock divided by 128. The internal low-speed RC
The real-time clock (RTC)
4 Kbytes of backup SRAM
20 backup registers
PDR=1.8 V
PDR=1.8 V
Startup in regulator OFF: slow V
- power-down reset risen after V
Startup in regulator OFF: fast V
- power-down reset risen before V
1.08 V
1.08 V
1.2 V
1.2 V
Doc ID 15818 Rev 9
PA0 asserted externally
DD
PA0 tied to NRST
CAP_1
V CAP_1 /V CAP_2
V CAP_1 /V CAP_2
DD
CAP_1
slope
slope
/V
/V
CAP_2
NRST
NRST
CAP_2
V DD
V DD
stabilization
time
time
time
time
stabilization
STM32F20xxx
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