set(s). STM32 documentation tree (top to bottom) STM32 website. STM32 marketing slides. STM32 datasheet. STM32 reference manual. ARM core website. ARM core generic user guide. ARM core technical reference manual. ARM architecture reference manual. STMicroelectronics has additional documents, such as: evaluation board user manuals, application notes, getting started guides, software library documents, errata, and more. See External Links section for links to official STM32 and ARM documents. Part number decoding STM32F051R8 STM32xxwwyz xx – Family ww – subtype: differs in equipment of peripherals and this depend on certain family y – Package pin count z – FLASH memory size See also ARM architecture, List of ARM microprocessor cores, ARM Cortex-M Microcontroller, List of common microcontrollers Embedded system, Single-board microcontroller Interrupt, Interrupt handler, Comparison of real-time operating systems References Further reading The Insider's Guide To The STM32 ARM Based Microcontroller; 2nd Edition (v1.8); Trevor Martin; Hitex; 96 pages; 2009; . (Download) (Other Guides) µC/OS-III: The Real-Time Kernel for the STMicroelecronics STM32F107; 1st Edition; Jean Labrosse; Micrium; 820 pages; 2009; . µC/TCP-IP: The Embedded Protocol Stack for the STMicroelectronics STM32F107; 1st Edition; Christian Légaré; Micrium; 824 pages; 2010; . External links STM32 Official Documents {| class="wikitable" |- ! STM32Series !! STM32Website !! STM32Slides !! STM32Reference !! ARMCPU Core |- | style="background: LightCyan" | H7 || Link || || || Cortex-M7F, Cortex-M4F |- | style="background: LightCyan" | F7 || Link || || || Cortex-M7F |- | style="background: LightCyan" | F4 || Link || || F4x5/7/9,F401 || Cortex-M4F |- | style="background: LightCyan" | F3 || Link || || F37x / F38x,F30x / F31x || Cortex-M4F |- | style="background: LightCyan" | F2 || Link || || F20x / F21x || Cortex-M3 |- | style="background: LightCyan" | F1 || Link || || F101/2/3/5/7F100 || Cortex-M3 |- | style="background: LightCyan" | F0 || Link || || F0x1/2/8,F030 || Cortex-M0 |- | style="background: LightCyan" | G4 || Link || || || Cortex-M4F |- | style="background: LightCyan" | G0 || Link || || || Cortex-M0+ |- | style="background: LightCyan" | U5 || Link || || |Cortex-M33F |- | style="background: LightCyan" | L5 || Link || || || Cortex-M33F |- | style="background: LightCyan" | L4+ || Link || || || Cortex-M4F |- | style="background: LightCyan" | L4 || Link || || || Cortex-M4F |- | style="background: LightCyan" | L1 || Link || || L1xx || Cortex-M3 |- | style="background: LightCyan" | L0 || Link || || L0xx || Cortex-M0+ |-