STM32F401xB STM32F401xC Arm Cortex -M4 32-bit MCU+FPU, 105 DMIPS, 256KB Flash / 64KB RAM, 11 TIMs, 1 ADC, 11 comm. interfaces Datasheet - production data Features )%* Dynamic efficiency line with BAM (batch acquisition mode) 1.7 V to 3.6 V power supply WLCSP49 UFQFPN48 UFBGA100 LQFP100 (14X14 mm) (77 mm) (2.965x2.965 mm) (7x7 mm) LQFP64 (1010 mm) -40 C to 85/105/125 C temperature range (incremental) encoder input, two watchdog Core: Arm 32-bit Cortex -M4 CPU with FPU, timers (independent and window) and a Adaptive real-time accelerator (ART SysTick timer Accelerator) allowing 0-wait state execution from Flash memory, frequency up to 84 MHz, Debug mode memory protection unit, 105 DMIPS/ Serial wire debug (SWD) & JTAG 1.25 DMIPS/MHz (Dhrystone 2.1), and DSP interfaces instructions Cortex -M4 Embedded Trace Macrocell Memories Up to 81 I/O ports with interrupt capability Up to 256 Kbytes of Flash memory All IO ports 5 V tolerant 512 bytes of OTP memory Up to 78 fast I/Os up to 42 MHz Up to 64 Kbytes of SRAM Up to 11 communication interfaces Clock, reset and supply management 2 Up to 3 I C interfaces (1Mbit/s, 1.7 V to 3.6 V application supply and I/Os SMBus/PMBus) POR, PDR, PVD and BOR Up to 3 USARTs (2 x 10.5 Mbit/s, 1 x 4-to-26 MHz crystal oscillator 5.25 Mbit/s), ISO 7816 interface, LIN, IrDA, modem control) Internal 16 MHz factory-trimmed RC Up to 4 SPIs (up to 42 Mbits/s at f = 84 32 kHz oscillator for RTC with calibration CPU MHz), SPI2 and SPI3 with muxed full- Internal 32 kHz RC with calibration 2 duplex I S to achieve audio class accuracy Power consumption via internal audio PLL or external clock Run: 128 A/MHz (peripheral off) SDIO interface Stop (Flash in Stop mode, fast wakeup Advanced connectivity time): 42 A typ 25 C USB 2.0 full-speed device/host/OTG 65 A max 25 C controller with on-chip PHY Stop (Flash in Deep power down mode, CRC calculation unit slow wakeup time): down to 10 A typ 96-bit unique ID 25 C 28 A max 25 C RTC: subsecond accuracy, hardware calendar Standby: 2.4 A 25 C / 1.7 V without RTC 12 A 85 C 1.7 V All packages are ECOPACK2 V supply for RTC: 1 A 25 C BAT Table 1. Device summary 112-bit, 2.4 MSPS A/D converter: up to 16 Reference Part number channels General-purpose DMA: 16-stream DMA STM32F401CB, STM32F401RB, STM32F401xB STM32F401VB controllers with FIFOs and burst support STM32F401CC, STM32F401RC, Up to 11 timers: up to six 16-bit, two 32-bit STM32F401xC STM32F401VC timers up to 84 MHz, each with up to 4 IC/OC/PWM or pulse counter and quadrature April 2019 DS9716 Rev 11 1/139 This is information on a product in full production. www.st.comContents STM32F401xB STM32F401xC 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 V operation . 25 BAT 3.19 Timers and watchdogs . 25 3.19.1 Advanced-control timers (TIM1) 26 3.19.2 General-purpose timers (TIMx) . 27 2/139 DS9716 Rev 11