STM8 MCUs

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

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STM8L Discovery

Posted on December 08, 2015 at 20:26Hi guys,I am trying to access STM8L Discovery board bootloader, to upload some code..The problem is...where can I connect my usb/rs232 converter??The pins for usart1 are connected to LCD display..Does any one know...

lmx1 by Associate II
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RTC problem

Posted on November 19, 2015 at 23:22I'm working on some code to set the RTC alarm, and I've gone through all the resources I can find on how to set this up correctly, but it's just not working. If you could take a look and see if I've missed anythin...

jherrmann by Associate II
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zero page ram page memory mapping on STM8S003

Posted on December 09, 2015 at 10:21Hello,on STM8S003F3U according to datasheet there is 1024(total ram) - 513(stack) = 510 bytes for user application: 256 byte in the zero page and (510-256)= 254 in Ram section.If use the short stack compilation op...

I2C not working

Posted on December 05, 2015 at 10:29Hi, I'm using STM8S003F3 controller to monitor a temperature sensor using I2C Interface. I'm able to monitor while in debug and Run mode (in STVD IDE) using SWIM, but once I program into flash (using STVP through ...

aleena by Associate
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Need help

Posted on December 03, 2015 at 12:29I m beginer to tis stm8s i m using stm8s003 series with cosmic compiler to develop a product i need a sample of tm1638 interfacing with spi can any one help me please .. thanx in advance ..  #stm8s

STWBC FIRMWARE

Posted on December 03, 2015 at 10:14I bought the starter kit STEVAL-ISB027V1, EWSTM8-2015 I downloaded and installed it but I can not find the source of the firmware.Where are? Thanks.

SWIM sequence - recalibration after OPT Loading?

Posted on November 30, 2015 at 10:22Hi, I am implementing SWIM Protocol for an own programmer. It already works quite well with STM8S003 but I am facing difficulties with STM8L101. I wonder why the 128 HSI-timing-pulse on SWIM entry from the STM8L i...

at1 by Associate II
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STM8S105 direct register access, pointers...

Posted on November 25, 2015 at 15:14Hello everybody,  I'm working on the STM8 discovery board to implement some application which controls the STM8's GPIOs from an SPI master. The code relies on SPI interrupts. I would like the master sends the addr...

alexis2 by Associate II
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I2C generla call not works

Posted on January 29, 2015 at 08:58Let the stm8s003k3 i2c slave,Works fine, butWhen the master send general call address(0x00), stm8s003k3 stops,Of course, I2C_GeneralCallCmd(TRUE) is called.and the EVENTI2C_EVENT_SLAVE_GENERALCALLADDRESS_MATCHEDis ...

isjeon by Associate II
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External timer trigger on STM8S003_F_?

Posted on November 20, 2015 at 10:00Hi!I have to generate a PWM that must  be quite closely synced to an external signal of 50 Hz (to avoid any drifts).From the documentation contents of STM8S008F/K of it using the TIM1 external trigger (ETR) to res...