Introduction This programming manual provides information for application and system-level software developers. It gives a full description of the STM32F3 and STM32F4 Series Cortex?-M4 processor programming model, instruction set and core peripherals. The STM32F3 and STM32F4 Series Cortex?-M4 processor is a high performance 32-bit processor designed for the microcontroller market. It offers significant benefits to developers, including: ? Outstanding processing performance combined with fast interrupt handling ? Enhanced system debug with extensive breakpoint and trace capabilities ? Efficient processor core, system and memories ? Ultra-low power consumption with integrated sleep modes ? Platform security