STM8 MCUs

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

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STVD MCU Selection List Empty

Posted on March 04, 2013 at 21:14Was using STVD successfully for a couple of projects on two different machines.  One machine is still working fine.  I cannot create a new project targeting either the Raisonance Tool Chain, or any other tool chain ...

Cosmic Compiler Bug

Posted on March 04, 2013 at 16:33I'm using Cosmic Eval C Compiler V 4.3.7. The code of concern is as follows: if( RST->SR & (u8)0x02 == (u8)0x02) {....} I'm simply checking bit 1 of the reset register. I checked the disassembler because the program ...

Strange value of register

Posted on February 24, 2013 at 09:08I have one strange problem. After this fragment of code program:b = a;a =/ 40;if(!a)//breakpointsthe results of two registers are: b = 50000 - good value, a=0The value of a should be about 1250 not 0!!I can't find...

adaszeq by Associate
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Pull-up Configuration on STM8L151C6

Posted on February 28, 2013 at 09:31Good day, I configure PortB PB2, PB3 and PB4 as inputs, pull-up, no ext int. These pins work 100% no problem. I also configure PortC, PC0 and PC1 precisely the same as the above pins but the pull-ups is not connec...

wynand by Associate II
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Links to Download STVP and STVD?

Posted on February 20, 2013 at 21:35We can I download the STVP and STVD software packages for STM8L MCU?  There are no links on the site? #stvd #stm8l #stvp

nathan2 by Associate
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I2c pcf8574-Ds1307--

Posted on February 20, 2013 at 20:58hello, after long trying, i managed to write to the pcf8574 in assembly language. no i have only a problem with WRITING to the DS1307, i can read the DS1307 my question is, when you use a crystal of 14.7456Mhz, wh...

STM8S I2c

Posted on January 30, 2013 at 11:34hello, i try to make a connection between the stm8s207 and an pcf8574. the problem is with the software, because i can control the pcf8574 with an AARDVARK analyzer. when i send a start and an adress (40) for pcf85...

STM8S - SPI not working after power-on reset (yes, it strange)

Posted on March 19, 2012 at 19:01I trying to develop device using STM8S105K6 MCU and found something very strange. If I press reset button (connecting NRST to GND) all if working fine. But If I just turn off/on device power, MCU is starting (timer ...