Datasheet - STM32F446xC/E - STMicroelectronics

1 This is information on a product in full production. January 2021DS10693 Rev 101/198 STM32F446xC/EArm Cortex -M4 32-bit MCU+FPU, 225 DMIPS, up to 512 KB Flash/128+4 KB RAM, USB OTG HS/FS, seventeen TIMs, three ADCs and twenty communication interfacesDatasheet - production dataFeatures 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 180 MHz, MPU, 225 DMIPS/MHz (Dhrystone ), and DSP instructions Memories 512 Kbytes of Flash memory 128 Kbytes of SRAM Flexible external memory controller with up to 16-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND Flash memories Dual mode QuadSPI interface LCD parallel interface, 8080/6800 modes Clock, reset and supply management V to V application supply and I/Os POR, PDR, PVD and BOR 4 to 26 MHz crystal oscillator Internal 16 MHz factory-trimmed RC (1% accuracy) 32 kHz oscillator for RTC with calibration Internal 32 kHz RC with calibration Low power Sleep, Stop and Standby modes VBAT supply for RTC, 20 32 bit backup registers plus optional 4 KB backup SRAM 3 12-bit, MSPS ADC: up to 24 channels and MSPS in triple interleaved mode 2 12-bit D/A converters General-purpose DMA: 16-stream DMA controller with FIFOs and burst support Up to 17 timers.

2 2x watchdog, 1x SysTick timer and up to twelve 16-bit and two 32-bit timers up to 180 MHz, each with up to four IC/OC/PWM or pulse counter Debug mode SWD and JTAG interfaces Cortex -M4 Trace Macrocell Up to 114 I/O ports with interrupt capability Up to 111 fast I/Os up to 90 MHz Up to 112 5 V-tolerant I/Os Up to 20 communication interfaces SPDIF-Rx Up to 4 I2C interfaces (SMBus/PMBus) Up to four USARTs and two UARTs ( Mbit/s, ISO7816 interface, LIN, IrDA, modem control) Up to four SPIs (45 Mbits/s), three with muxed I2S for audio class accuracy via internal audio PLL or external clock 2x SAI (serial audio interface) 2 CAN ( Active) SDIO interface Consumer electronics control (CEC) I/F Advanced connectivity USB full-speed device/host/OTG controller with on-chip PHY USB high-speed/full-speed device/host/OTG controller with dedicated DMA, on-chip full-speed PHY and ULPI Dedicated USB power rail enabling on-chip PHYs operation throughout the entire MCU power supply range 8- to 14-bit parallel camera interface up to 54 Mbytes/s CRC calculation unit RTC: subsecond accuracy, hardware calendar 96-bit unique ID Table 1.

3 Device summaryReferencePart numbersSTM32F446xC/ESTM32F446MC, STM32F446ME, STM32F446RC, STM32F446RE, STM32F446VC, STM32F446VE, STM32F446ZC, (10 10 mm)LQFP100 (14 14 mm)LQFP144 (20 x 20 mm)UFBGA144 (7 x 7 mm)UFBGA144 (10 x 10 mm)WLCSP Rev 10 Contents1 Introduction .. 112 Description .. with STM32F4 family .. 143 Functional overview .. Cortex -M4 with FPU and embedded Flash and SRAM .. real-time memory accelerator (ART Accelerator ) .. protection unit .. Flash memory .. (cyclic redundancy check) calculation unit .. SRAM .. bus matrix .. controller (DMA) .. memory controller (FMC) .. SPI memory interface (QUADSPI) .. vectored interrupt controller (NVIC) .. interrupt/event controller (EXTI) .. and startup .. modes .. supply schemes .. supply supervisor .. reset ON.

4 Reset OFF .. regulator .. ON .. OFF .. ON/OFF and internal reset ON/OFF availability .. clock (RTC), backup SRAM and backup registers .. modes .. operation .. and watchdogs .. 30DS10693 Rev 103/198 STM32F446 timers (TIM1, TIM8) .. timers (TIMx) .. timers TIM6 and TIM7 .. watchdog .. watchdog .. timer .. circuit interface (I2C) .. synchronous/asynchronous receiver transmitters (USART) .. peripheral interface (SPI) .. (high-definition multimedia interface) consumer electronics control (CEC) .. sound (I2S) .. Receiver Interface (SPDIFRX) .. audio interface (SAI) .. PLL (PLLI2S) .. audio interface PLL (PLLSAI) .. digital input/output interface (SDIO) .. area network (bxCAN) .. serial bus on-the-go full-speed (OTG_FS) .. serial bus on-the-go high-speed (OTG_HS).

5 Camera interface (DCMI) .. input/outputs (GPIOs) .. converters (ADCs) .. sensor .. converter (DAC) .. wire JTAG debug port (SWJ-DP) .. Trace Macrocell .. 384 Pinout and pin description .. 395 Memory mapping .. 656 Electrical characteristics .. conditions .. and maximum values .. 70 ContentsSTM32F446xC/E4/198DS10693 Rev values .. curves .. capacitor .. input voltage .. supply scheme .. consumption measurement .. maximum ratings .. conditions .. operating conditions .. / VCAP_2 external capacitor .. conditions at power-up / power-down (regulator ON) .. conditions at power-up / power-down (regulator OFF) .. and power control block characteristics .. switching characteristics .. current characteristics .. time from low-power modes .. clock source characteristics.

6 Clock source characteristics .. characteristics .. spread spectrum clock generation (SSCG) characteristics .. characteristics .. characteristics .. maximum ratings (electrical sensitivity) .. current injection characteristics .. port characteristics .. pin characteristics .. timer characteristics .. interfaces .. ADC characteristics .. sensor characteristics .. monitoring characteristics .. voltage .. electrical characteristics .. characteristics .. interface (DCMI) timing specifications .. MMC card host interface (SDIO) characteristics .. characteristics .. 171DS10693 Rev 105/198 STM32F446xC/EContents57 Package information .. package information .. package information .. package information .. 7 x 7 mm package information .. 10 x 10 mm package information.

7 Package information .. characteristics .. 1918 Part numbering .. 192 Appendix A Application block diagrams .. OTG full speed (FS) interface solutions .. OTG high speed (HS) interface solutions .. 195 Revision history .. 196 List of tablesSTM32F446xC/E6/198DS10693 Rev 10 List of tablesTable summary .. 1 Table features and peripheral counts.. 13 Table regulator configuration mode versus device operating mode .. 25 Table ON/OFF and internal reset ON/OFF availability.. 27 Table regulator modes in stop mode .. 29 Table feature comparison .. 30 Table of I2C analog and digital filters .. 32 Table feature comparison .. 33 Table used in the pinout table .. 44 Table pin and ball descriptions .. 44 Table function .. 57 Table register boundary addresses .. 66 Table characteristics .. 72 Table characteristics.

8 73 Table characteristics.. 73 Table operating conditions .. 74 Table depending on the operating power supply range .. 76 Table / VCAP_2 operating conditions .. 77 Table conditions at power-up/power-down (regulator ON) .. 77 Table conditions at power-up / power-down (regulator OFF).. 77 Table 21. reset and power control block characteristics .. 78 Table switching characteristics .. 79 Table and maximum current consumption in Run mode, code with data processing running from Flash memory (ART accelerator enabled except prefetch) or RAM .. 81 Table and maximum current consumption in Run mode, code with data processing running from Flash memory (ART accelerator enabled with prefetch) or RAM .. 82 Table and maximum current consumption in Run mode, code with data processing running from Flash memory (ART accelerator disabled).

9 83 Table and maximum current consumption in Sleep mode .. 84 Table and maximum current consumptions in Stop mode .. 87 Table and maximum current consumptions in Standby mode .. 88 Table and maximum current consumptions in VBAT mode.. 89 Table current consumption in Run mode, code with data processing running from Flash memory or RAM, regulator ON (ART accelerator enabled except prefetch), VDD = V .. 91 Table current consumption in Run mode, code with data processing running from Flash memory, regulator OFF (ART accelerator enabled except prefetch).. 92 Table current consumption in Sleep mode, regulator ON, VDD = V .. 93 Table current consumption in Sleep mode, regulator OFF.. 94 Table output I/O current consumption .. 95 Table current consumption .. 97 Table mode wakeup timings .. 100 Table external user clock characteristics.

10 101 Table external user clock characteristics .. 101 Table 4-26 MHz oscillator characteristics .. 103 Table oscillator characteristics (fLSE = kHz) .. 104 Table oscillator characteristics .. 105 Table oscillator characteristics .. 106DS10693 Rev 107/198 STM32F446xC/EList of tables8 Table PLL characteristics.. 106 Table (audio PLL) characteristics .. 107 Table characteristics .. 108 Table parameters constraint .. 109 Table memory characteristics .. 110 Table memory programming .. 111 Table memory programming with VPP .. 111 Table memory endurance and data retention .. 112 Table characteristics .. 113 Table characteristics .. 114 Table absolute maximum ratings .. 114 Table sensitivities .. 115 Table current injection susceptibility .. 115 Table static characteristics .. 116 Table voltage characteristics.