The STMicroelectronics ARM^® Cortex™ STM32 F373/383 range of mixed signal microcontrollers are for use in embedded applications. The STM32 F3 series 32-bit Flash MCU offers digital signal processing (DSP) and floating point unit (FPU) with high performance and industry standard core architecture.
Combining a 32-bit ARM^® Cortex™ M4 core that functions on the 72MHz frequency range which have many integrated peripherals including RTC, temperature sensor and capacitive touch sensing. STM32F373/383 16 bit sigma delta ADC for high precision sensing in smart metering and biometric sensor application. Also with the CCM architecture for RAM, the user can carry out time critical routines.

STM32 F373/383 Features:
Floating point unit (FPU), a memory protection unit (MPU) and an embedded trace macrocell (ETM)
Flash memory: up to 256 Kbyte
SRAM: Up to 32 Kbyte
Communication interfaces: I2Cs, SPIs, I2Ss, USARTs and CAN
Core: ARM® 32-bit Cortex™ M4 CPU (72MHz max)
Fast/ultra-fast comparators
Op amp with programmable gain (PGA)
12-bit DACs, 12-bit ADCs with 5 MSPS
Motor control timers (144MHz)
CCM (Core Coupled Memory)
2.0 to 3.6 V operations
Temperature range -40 to +85 °C

STM32F3 Series 32-Bit ARM® Cortex®-M4 Microcontrollers, STMicroelectronics

The STM32 F3 series of mixed-signal MCUs with DSP and FPU instructions combines a 32-bit ARM Cortex-M4 core running at 72MHz with an advanced analogue peripheral set.

Fast comparators (50ns)
Programmable gain amplifiers (4 gain ranges)
12-Bit DACs
Fast 12-Bit ADCs (5 MSPS per channel with up to 18MSPS in interleaved mode)
16-Bit sigma-delta ADCs
Fast 144MHz motor control timers, timing resolution better 7ns