General-purpose DMA: 16-stream DMA controller with FIFOs and burst support.3×12-bit, 2.4 MSPS A/D converters: up to 24 channels and 7.2 MSPS in triple interleaved mode.V BAT supply for RTC, 20×32 bit backup registers + optional 4 KB backup SRAM.32 kHz oscillator for RTC with calibration.Internal 16 MHz factory-trimmed RC (1% accuracy).1.8 V to 3.6 V application supply and I/Os.LCD parallel interface, 8080/6800 modes.Flexible static memory controller supporting Compact Flash, SRAM, PSRAM, NOR and NAND memories.Up to 192+4 Kbytes of SRAM including 64-Kbyte of CCM (core coupled memory) data RAM.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 168 MHz, memory protection unit, 210 DMIPS/1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions.They also feature standard and advanced communication interfaces. The STM32F405xx and STM32F407xx family incorporates high-speed embedded memories (Flash memory up to 1 Mbyte, up to 192 Kbytes of SRAM), up to 4 Kbytes of backup SRAM, and an extensive range of enhanced I/Os and peripherals connected to two APB buses, three AHB buses and a 32-bit multi-AHB bus matrix.Īll devices offer three 12-bit ADCs, two DACs, a low-power RTC, twelve general-purpose 16-bit timers including two PWM timers for motor control, two general-purpose 32-bit timers. It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security. The Cortex-M4 core features a Floating point unit (FPU) single precision which supports all Arm single-precision data-processing instructions and data types. The STM32F405xx and STM32F407xx family is based on the high-performance Arm ® Cortex ®-M4 32-bit RISC core operating at a frequency of up to 168 MHz.
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