The STM32F401xD/xE devices are based on the high-performance ARM?Cortex? -M4 32-bit RISC core operating at a frequency of up to 84 MHz. Its Cortex?-M4 core features a Floating point unit (FPU) single precision which supports all ARM single-precision data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security. The STM32F401xD/xE incorporate high-speed embedded memories (512 Kbytes of Flash memory, 96 Kbytes of SRAM), and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32-bit multi-AHB bus matrix. All devices offer one 12-bit ADC, a low-power RTC, six general-purpose 16-bit timers including one PWM timer for motor control, two general-purpose 32-bit timers. They also feature standard and advanced communication interfaces.
All features
Core: ARM?32-bit Cortex?-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator?) allowing 0-wait state execution from Flash memory, frequency up to 84 MHz, memory protection unit, 105 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions
Memories
up to 512 Kbytes of Flash memory
up to 96 Kbytes of SRAM
Clock, reset and supply management
1.7 V to 3.6 V application supply and I/Os
POR, PDR, PVD and BOR
4-to-26 MHz crystal oscillator
Internal 16 MHz factory-trimmed RC
32 kHz oscillator for RTC with calibration
Internal 32 kHz RC with calibration
Power consumption
Run: 146 μA/MHz (peripheral off)
Stop (Flash in Stop mode, fast wakeup time): 42 μA Typ @ 25C; 65 μA max @25 °C
Stop (Flash in Deep power down mode, fast wakeup time): down to 10 μA @ 25 °C; 30 μA max @25 °C
Standby: 2.4 μA @25 °C / 1.7 V without RTC; 12 μA @85 °C @1.7 V
VBATsupply for RTC: 1 μA @25 °C
1×12-bit, 2.4 MSPS A/D converter: up to 16 channels
General-purpose DMA: 16-stream DMA controllers with FIFOs and burst support
Up to 11 timers: up to six 16-bit, two 32-bit timers up to 84 MHz, each with up to four IC/OC/PWM or pulse counter and quadrature (incremental) encoder input, two watchdog timers (independent and window) and a SysTick timer
Debug mode
Serial wire debug (SWD) & JTAG interfaces
Cortex?-M4 Embedded Trace Macrocell?
Up to 81 I/O ports with interrupt capability
Up to 78 fast I/Os up to 42 MHz
All I/O ports are 5 V-tolerant
Up to 12 communication interfaces
Up to 3 x I2C interfaces (SMBus/PMBus)
Up to 3 USARTs (2 x 10.5 Mbit/s, 1 x 5.25 Mbit/s), ISO 7816 interface, LIN, IrDA, modem control)
Up to 4 SPIs (up to 42Mbit/s at fCPU= 84 MHz), SPI2 and SPI3 with muxed full-duplex I2S to achieve audio class accuracy via internal audio PLL or external clock
SDIO interface
Advanced connectivity: USB 2.0 full-speed device/host/OTG controller with on-chip PHY
CRC calculation unit
96-bit unique ID
RTC: subsecond accuracy, hardware calendar
All packages (WLCSP49, LQFP64/100, UFQFPN48, UFBGA100) are ECOPACK?2
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