STM8 MCUs

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what's the application scenario of the CPUDIV in CLK?

We can get the information that the CPUDIV can be used to divide fMATESR for CPU. And the divide ration can up to 128:1. I wonder that when you configure CPUDIV to 128:1, can CPU works normally when access peripherals such as I2C. Or CPUDIV is just ...

l yk by Associate II
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Hello, I am trying to initialize I2C, but getting continuously high signal on both SDA and SCL pins . Can anyone suggest what can be the issue?

#include "stm8s.h"#define I2C_PORT   (GPIOB)#define SDA_pin   (GPIO_PIN_5)#define SCL_pin   (GPIO_PIN_4)#define SLAVE_ADDRESS 0x60#define I2C_OWN_ADDRESS 0x00static void CLK_Config(void);void I2C_init(void);void I2C_Write(uint8_t I2C_Slave_Address,ui...

HJada by Associate
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STM8L151 - can't get a PWM signal

Hi,Does ST have some code samples to use PWM on STM8L151 ??If so, where can I find it?Thanks,Itai

imas by Associate
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Resolved! Instruction timing changing with memory location?

Hi. I am writing very time sensitive code on the STM8 mostly using assembly. However, I have noticed that sometimes adding one cycle of delay at one point in the code changing the timing of the whole code. I will explain in more detail to clarify. I ...

Chris K by Associate II
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TIM1_GetCounter() Results

I have initialized TIM1 timer with:TIM1_DeInit();TIM1_TimeBaseInit(16, TIM1_COUNTERMODE_UP, 1000, 0);TIM1_SetCounter(0);TIM1_ITConfig(TIM1_IT_UPDATE, ENABLE);TIM1_Cmd(ENABLE);But calls to TIM1_GetCounter(); return the value 2. I can see the counter ...

Feedback on STM8 tools

Hi. This is some open feedback on the use of the STM8 tools for a pending project. We are 35 year old OEM design house and about to deploy the STM8S001J3 onto a consumer space product. The assembled PCBs have arrived and now the code development was ...

Mon2 by Senior III
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unable to compile

when i am trying to compile ST Visual develop 4.3.12 with cosmic compiler 4.4.9.0.i am getting this Connection error (usb://usb) [30100]: can't load library.can anyone please help me to solve this problem.

tvenk by Associate II
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Why doesn't the COSMIC compiler start?

I downloaded and installed the COSMIC stm8 free compiler (http://cosmicsoftware.com/download_stm8_free.php). I requested and received a license. I copied the license file to the appropriate folder.However, the compiler does not start. It does not sta...

MPele.2 by Associate II
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