STM8 MCUs

Discuss STM8 microcontrollers, including SWIM, USART configurations, RTC usage, ADC issues, and debugging.

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Brand-new STM8S207K6 pulls reset low

Posted on July 09, 2013 at 09:22Hello, I'm trying to get a first program on a bunch of new STM8S207K6 but the device does not answer. It seems like the reset pin is pulled low by the controller and the programming tool keeps telling me ''Error: Cann...

Linking issues when using @eeprom with Cosmic toolset

Posted on August 23, 2013 at 05:18My application builds fine until I add the @eeprom keyword to a declaration.  Now I get the following linker errors:#error clnk Debug\nos.lkf:1 symbol _FLASH_CR2 not defined ((C:\Program Files (x86)\COSMIC\CXSTM8_32...

COSMIC IdeaSTM8 32K Dev Tool

Posted on August 24, 2013 at 22:40Hello, I recently downloaded the IdeaSTM8-32k dev tool from COMSIC and have trouble saving newly entered C files.I can successfully compile and link the example code provided by COMSIC. When I attempt to include an ...

mark by Associate
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Moveable Code Feature : Change rom location

Posted on August 23, 2013 at 02:54Hi sir,        we have a project. This issue is that one project include application code and bootloader code.We already study the COSMIC datasheet about the Moveable Code feature. But we can’t find that how to chan...

robinsen by Associate
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STM8L SWIM pin set up?

Posted on August 20, 2013 at 13:43How should PA0 be set up for the SWIM interface? Input? Output? Shake it all aboutput?Pretty fundamental Q I'd have thought, but I can't find any info'.plenty of fatuous 'Overviews' about SWIM but little useful info...

CAN Rx interrupt sometimes misses one

Posted on May 02, 2013 at 15:12I am using a STM8S208CB in an embedded device on a CAN network. I have initialized the CAN to use an external 8MHz crystal, 250k baud, and enabled the FIFO message pending interrupt. I have my interrupt function proces...

Minimum Interrupt Pulse Width?

Posted on August 12, 2013 at 07:22I am looking at using a STM8S003K3 microcontroller.When a port pin input is configured as an edge triggered interrupt what is the minimum pulse width?  Is this a true edge trigger or is it sampled?I am trying to sav...

STM8 USING STVD & COSMIC COMPILER #error clnk Debug...

Posted on August 10, 2013 at 01:41Can anyone help me with the problem below dotted line?  It seems like I need to set up memory spaces for the Micro Controller.  Is that ? the problem.  If so how do I fix? Thanks! GDN -------------------------------...

greg by Associate II
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example: btjt I2C_SR3, BUSY, label; bit BUSY not defined

Posted on August 01, 2013 at 11:24maybe I make not correct entry?so works:  #define BUSY #1...btjt I2C_SR3, BUSY, label...if BUSY not defined:;#define BUSY #1...btjt I2C_SR3, BUSY, label...so not worksBUSY isn't present on the map? or or i have not ...

s1975 by Associate II
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