• [STM8S001J3] First STM8 MCU in 8-pin package: introduction

    Dear STM8 Community,   This is a very exciting moment for all of us. STM8 MCUs family was extended with a new device, which is named STM8S001J3. This new family member reshapes STM8 portoflio and takes ...
    Szymon Panecki
    created by Szymon Panecki
  • Does is SDCC the DCE optimisation?

    Hello anyone,   When compiling a program including Standard Peripheral Library in the output *.elf file, all unused modules was included. Does is SDCC the dead code elimination optimization and how to activate i...
    Vyacheslav Azarov
    last modified by Vyacheslav Azarov
  • Can I use function arguments in stm8 SDCC inline assembler?

    Hello everyone, Is it possible to get the values of the offset of variables in a frame, for use it in inline assembler? Or does is exist any other way to function arguments passing? As is possible in GNU GCC or COSM...
    Vyacheslav Azarov
    last modified by Vyacheslav Azarov
  • Nucleo kits for STM8 MCUs

    Dear STM8 fans,   Let me inform you, that STMicroelectronics extended hardware tools ecosystem available for STM8 MCUs by introducing two STM8 Nucleo-64 kits: NUCLEO-8L152R8 and NUCLEO-8S208RB.    Eac...
    Szymon Panecki
    last modified by Szymon Panecki
  • stm8l051f3 can do for floating operation ????

    Hello,   I have a question as to whether stm8L051F3 can do/calculate the floating operation or not, please help to let me know it,   currently I can't check it with printf function, because if using the l...
    edmond yun
    last modified by edmond yun
  • Introducing more STM8 devices with low pin count?

    ST has recently introduced 8-pin STM8 devices, while previously the lowest pin count available was 20.   I would like to see more STM8 devices with relatively low pin count, e.g. 12 or 14 pins. Since I intend to...
    Philipp Krause
    created by Philipp Krause
  • STSW-STM8069 is free to use for product

    Hi, I would like to develop and sell one of my product using STM8S IC with STSW-STM8069 library from STVD and STVP. is there any licence for that?  if yes ,what is process to get licence for one and how much i ...
    Hiren M
    last modified by Hiren M
  • Why STM8CubeMX prohibits using the LSI for STM8L152R6Tx?

    Hello everyone, Why does the STM8CubeMX prohibit the clocking of the RTC with a frequency of less than 1 MHz, not allowing to use of an LSE? I want made a watch! Thanks in advance.
    Vyacheslav Azarov
    last modified by Vyacheslav Azarov
  • Stm8l001j3m3 standard library

    Hi, Where can ı find the standart library for stm8l001j3. The system offers to use the STSW-STM8016 standard peripheral library but this library does not include the stm8l001j3. I need help for this stuation. What ar...
    devar devge
    last modified by devar devge
  • st8 Discovery gdi-error [40201]: can't access configuration database

    Hi, I'm trying to use the ST Visual Develop with the Cosmic st8 32k compiler.  I install everything and build the project.  That all works fine.  When I try to connect to the Discovery board with the d...
    58916
    last modified by 58916
  • stm8 break

     the STM8 abnormal braking performance,when the break signal effect,There are a pulse After the brake signal,why???
    zhao peng
    last modified by zhao peng
  • i have the st-link V2 (the old one), and I'm looking for the 4 connections it needed, in order to program my CPU. any idea or link to such info?

    i have the st-link V2 (the old one), and I'm looking for the 4 connections it needed, in order to program my CPU. any idea or link to such info? 
    Evyatar Nassie
    last modified by Evyatar Nassie
  • Issues with command ADDW and SUBW (?)

    Hi everybody. I use STM8S-Discovery Board with STM8S105C6 and ST Visual Develop v4.3.10, Windows 10.   If I use command ADDW or SUBW this way: ------------------------------------------------------------------...
    berton.ivan.001
    last modified by berton.ivan.001
  • Issues(?) with command ADDW and SUBW on STM8S105C6

    Hi I use STM8S-Discovery Board with STM8S105C6 and ST Visual Develop v4.3.10, Windows 10.   If I use command ADDW or SUBW this way: ------------------------------------------------------------------------------ E...
    berton.ivan.001
    last modified by berton.ivan.001
  • STM8S103F external interrupt

    Hi! I use a STM8S103F and I need to process external interrupts on PINs2,3 of PORT D by both fronts. That's my initialization code: GPIO_Init(GPIOD, GPIO_PIN_2 | GPIO_PIN_3, GPIO_MODE_IN_PU_IT); EXTI_SetE...
    kochergin.andrey
    last modified by kochergin.andrey
  • Operating STVD Simulator

    Dear Sir  Please help me to see port pins output on STVD Plotter.  When i try, it opens OK and working OK.  The Problem is when i try to add out pins to plotter it shows only -{I/O Pins}- RESET IRQ0, IR...
    40073
    last modified by 40073
  • [STVP bug]Unable to program only the program memory

    I am trying to flash only the program memory of an STM8S003F3 with the command line version of the STVP.   Even if I specify the -no_progOption and the -no_progData options it still tries to verify the data memo...
    marton.miklos
    created by marton.miklos
  • Deinit one pin - is it possible?

    Hello, I have one question: Is it possible to deinit one pin instead of whole port? I have STM8S00F3 and ST Visual Develop.
    Marek Nowak
    last modified by Marek Nowak
  • Debugging with open source free stm8 tools

    Hello everyone, After some efforts building and tune up of the free development tools I want show what it really works. Tools represented on: https://stm8-binutils-gdb.sourceforge.io/. I was build and assembly it by ...
  • About Top level interrupt sensitivity

    In this code, I understand the line "EXTI_SetExtIntSensitivity(EXTI_PORT_GPIOB , EXTI_SENSITIVITY_FALL_ONLY);" It means EXTI detects falling edge, right?   But what's the next line means?? "EXTI_SetTLISensit...
    khal2 doe2
    last modified by khal2 doe2