STM32F217IG STMicroelectronics, STM32F217IG Datasheet - Page 21
STM32F217IG
Manufacturer Part Number
STM32F217IG
Description
High-performance ARM Cortex-M3 MCU with 1 Mbyte Flash, 120 MHz CPU, ART Accelerator, Ethernet, HW crypto
Manufacturer
STMicroelectronics
Datasheet
1.STM32F215ZG.pdf
(168 pages)
Specifications of STM32F217IG
10/100 Ethernet Mac With Dedicated Dma
supports IEEE 1588v2 hardware, MII/RMII
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STM32F215xx, STM32F217xx
2.2.13
2.2.14
2.2.15
2.2.16
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
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 four operating modes:
●
●
BOR
Boot from user Flash
Boot from system memory
Boot from embedded SRAM
V
enabled), provided externally through 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.
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
, 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 17050 Rev 6
SSA
must be connected to V
for more details.
DD
DD
PVD
is below a specified threshold, V
pins.
threshold and/or when V
PVD
DD
is not present.
threshold. An interrupt can be
DD
and V
SS
, respectively.
DD
/V
POR/PDR
DDA
Description
is higher
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