yd00-参考stm32f4xx技术手册-1.pdf

STM32F401xB STM32F401xC ARM® Cortex®-M4 32b MCU+FPU, 105 DMIPS, 256KB Flash/ KB RAM, 11 TIMs, 1 ADC, 11 m. interfaces Datasheet - production data Features • WLCSP49 Accelerator™) allowing 0-wait state execution UFQFPN48 (3 x 3 mm) (7 × 7 mm) from Flash memory, frequency up to 84 MHz, UFBGA100 memory protection unit, 105 DMIPS/ LQFP100 (14 × 14 mm) (7 x 7 mm) 1.25 DMIPS/MHz (Dhrystone 2.1), and DSP LQFP (10 × 10 mm) instructions • Memories • Debug mode – Up to 256 Kbytes of Flash memory – Serial wire debug (SWD) JTAG – Up to Kbytes of SRAM interfaces • Clock, reset and supply management – Cortex-M4 Embedded Trace Macrocell™ – 1.7 V (PDR OFF) or 1.8 V (PDR ON) to • Up to 81 I/O ports with interrupt capability 3.6 V application supply and I/Os – All IO ports 5 V tolerant – POR, PDR, PVD and BOR – Up to 78 fast I/Os up to 42 MHz – 4-to-26 MHz crystal oscillator