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STM32F401VC bảng dữ liệu(PDF) 2 Page - STMicroelectronics

tên linh kiện STM32F401VC
Giải thích chi tiết về linh kiện  Up to 81 I/O ports with interrupt capability
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STM32F401VC bảng dữ liệu(HTML) 2 Page - STMicroelectronics

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STM32F401xB STM32F401xC
Contents
4
Contents
1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1
Compatibility with STM32F4 series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3
Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.1
ARM® Cortex®-M4 with FPU core with embedded Flash and SRAM . . . 15
3.2
Adaptive real-time memory accelerator (ART Accelerator™) . . . . . . . . . 15
3.3
Memory protection unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.4
Embedded Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.5
CRC (cyclic redundancy check) calculation unit . . . . . . . . . . . . . . . . . . . 16
3.6
Embedded SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.7
Multi-AHB bus matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.8
DMA controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.9
Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . . 17
3.10
External interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.11
Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.12
Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.13
Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.14
Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.14.1
Internal reset ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.14.2
Internal reset OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.15
Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.15.1
Regulator ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.15.2
Regulator OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.15.3
Regulator ON/OFF and internal power supply supervisor availability . . 24
3.16
Real-time clock (RTC) and backup registers . . . . . . . . . . . . . . . . . . . . . . 24
3.17
Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.18
VBAT operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.19
Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.19.1
Advanced-control timers (TIM1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.19.2
General-purpose timers (TIMx) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27


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