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STM32F412XE bảng dữ liệu(PDF) 2 Page - STMicroelectronics

tên linh kiện STM32F412XE
Giải thích chi tiết về linh kiện  Arm®-Cortex®-M4 32b MCUFPU, 125 DMIPS, 1MB Flash, 256KB RAM, USB OTG FS, 17 TIMs, 1 ADC, 17 comm. interfaces
PDF  201 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F412XE bảng dữ liệu(HTML) 2 Page - STMicroelectronics

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Contents
STM32F412xE/G
2/201
DocID028087 Rev 7
Contents
1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.1
Compatibility with STM32F4 series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3
Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.1
Arm® Cortex®-M4 with FPU core with embedded Flash and SRAM . . . . 19
3.2
Adaptive real-time memory accelerator (ART Accelerator™) . . . . . . . . . 19
3.3
Batch Acquisition mode (BAM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.4
Memory protection unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.5
Embedded Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.6
One-time programmable bytes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.7
CRC (cyclic redundancy check) calculation unit . . . . . . . . . . . . . . . . . . . 20
3.8
Embedded SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.9
Multi-AHB bus matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.10
DMA controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.11
Flexible static memory controller (FSMC) . . . . . . . . . . . . . . . . . . . . . . . . 22
3.12
Quad-SPI memory interface (QUAD-SPI) . . . . . . . . . . . . . . . . . . . . . . . . 22
3.13
Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . . 23
3.14
External interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.15
Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.16
Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.17
Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.18
Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.18.1
Internal reset ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.18.2
Internal reset OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.19
Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.19.1
Regulator ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.19.2
Regulator OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.19.3
Regulator ON/OFF and internal reset ON/OFF availability . . . . . . . . . . 31
3.20
Real-time clock (RTC) and backup registers . . . . . . . . . . . . . . . . . . . . . . 31
3.21
Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32



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