STM32F207ICH6 STMicroelectronics, STM32F207ICH6 Datasheet - Page 22
STM32F207ICH6
Manufacturer Part Number
STM32F207ICH6
Description
ARM Microcontrollers - MCU 32-Bit ARM Cortex M3 CAM 256 kB
Manufacturer
STMicroelectronics
Datasheet
1.STM32F207VFT6TR.pdf
(177 pages)
Specifications of STM32F207ICH6
Product Category
ARM Microcontrollers - MCU
Rohs
yes
Core
ARM Cortex M3
Data Bus Width
32 bit
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Description
2.2.13
2.2.14
2.2.15
2.2.16
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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
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.
Voltage regulator
The regulator has five operating modes:
●
●
BOR
Boot from user Flash
Boot from system memory
Boot from embedded SRAM
V
enabled), provided externally through V
1.7 to 3.6 V.
V
RCs and PLL. V
V
backup registers (through power switch) when V
Regulator ON
–
–
–
Regulator OFF
–
–
DD
, without the need for an external reset circuit. On devices in WLCSP package, BOR
DD
SSA
BAT
/V
Figure 17: Power supply scheme
= 1.8 to 3.6 V: external power supply for I/Os and the internal regulator (when
Main regulator mode (MR)
Low power regulator (LPR)
Power-down
Regulator OFF/internal reset ON
Regulator OFF/internal reset OFF
, V
DDA
= 1.65 to 3.6 V: power supply for RTC, external clock, 32 kHz oscillator and
PVD
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 9
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
and V
SS
, respectively.
DD
regulator).
DD
/V
STM32F20xxx
POR/PDR
DDA
ranges from
is higher
or
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