STM32F207VF STMicroelectronics, STM32F207VF Datasheet - Page 22
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STM32F207VF
Manufacturer Part Number
STM32F207VF
Description
High-performance ARM Cortex-M3 MCU with 768 Kbytes Flash, ART Accelerator, Ethernet
Manufacturer
STMicroelectronics
Datasheet
1.STM32F205VE.pdf
(170 pages)
Specifications of STM32F207VF
10/100 Ethernet Mac With Dedicated Dma
supports IEEE 1588v2 hardware, MII/RMII
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Description
2.2.13
2.2.14
Note:
2.2.15
22/170
Boot modes
At startup, boot pins are used to select one out of three boot options:
●
●
●
The boot loader is located in system memory. It is used to reprogram the Flash memory by
using USART1 (PA9/PA10), USART3 (PC10/PC11 or PB10/PB11), CAN2 (PB5/PB13), USB
OTG FS in Device mode (PA11/PA12) through DFU (device firmware upgrade).
Power supply schemes
●
●
●
Refer to
V
temperature range.
Power supply supervisor
The devices have an integrated power-on reset (POR) / power-down reset (PDR) circuitry
coupled with a Brownout reset (BOR) circuitry. At power-on, BOR is always active, and
ensures proper operation starting from 1.8 V. After the 1.8 V BOR threshold is reached, the
option byte loading process starts, either to confirm or modify default thresholds, or to
disable BOR permanently. Three BOR thresholds are available through option bytes.
The device remains in reset mode when V
V
can be inactivated by setting IRROFF to V
The devices also feature an embedded programmable voltage detector (PVD) that monitors
the V
generated when V
than the V
message and/or put the MCU into a safe state. The PVD is enabled by software.
DD
BOR
/V
Boot from user Flash
Boot from system memory
Boot from embedded SRAM
V
enabled), provided externally through V
1.65 to 3.6 V.
V
RCs and PLL. V
V
backup registers (through power switch) when V
DD
, without the need for an external reset circuit. On devices in WLCSP package, BOR
DD
SSA
BAT
DDA
/V
Figure 18: Power supply scheme
= 1.8 to 3.6 V: external power supply for I/Os and the internal regulator (when
, V
DDA
= 1.65 to 3.6 V: power supply for RTC, external clock, 32 kHz oscillator and
PVD
minimum value of 1.65 V is obtained when the device operates in a reduced
DDA
power supply and compares it to the V
threshold. The interrupt service routine can then generate a warning
= 1.8 to 3.6 V: external analog power supplies for ADC, DAC, Reset blocks,
DD
/V
DDA
DDA
and V
drops below the V
Doc ID 15818 Rev 8
SSA
must be connected to V
for more details.
DD
DD
DD
PVD
is below a specified threshold, V
(see
pins. On WLCSP package, V
threshold and/or when V
Section 2.2.16: Voltage
PVD
DD
is not present.
threshold. An interrupt can be
DD
STM32F205xx, STM32F207xx
and V
SS
, respectively.
DD
regulator).
DD
/V
POR/PDR
DDA
ranges from
is higher
or