我使用STM32来访问I2C接口的铁电存储器,FM24CL16,2K字节,比访问EEPROM要方便一点,所以简单修改了一...
Solved: I have STM32G070KB MCU connected with M24SR02-Y via I2C and GPO. I have no problem to write some NDEF message through I2C and then read it
*/voidi2c_Stop(void){SCL_LOW();SDA_LOW();/* ensure data is low first */__delay_us(I2C_TM_DATA_SU);SCL_HIGH();/* float clock high */__delay_us(I2C_TM_STOP_SU);SDA_HIGH();/* the low->high data transistion */return;}/* * Check for an acknowledge * - returns ack or ~...
STM32芯片IIC接口引脚的确定 通过查阅《High-density performance line Arm®-based 32-bit MCU with 256 to 512KB Flash, USB, CAN, 11 timers, 3 ADCs, 13 communication interfaces》数据手册,STM32F103VET6有两个I2C接口。从表中可以看到STM32F103VET6芯片I2C1的SCL时钟为92脚PB6,I2C1的SDA时钟为93脚PB...
STM32芯片IIC接口引脚的确定 通过查阅《High-density performance line Arm®-based 32-bit MCU with 256 to 512KB Flash, USB, CAN, 11 timers, 3 ADCs, 13 communication interfaces》数据手册,STM32F103VET6有两个I2C接口。 从表中可以看到STM32F103VET6芯片I2C1的SCL时钟为92脚PB6,I2C1的SDA时钟为93脚PB...
STM32芯片IIC接口引脚的确定 通过查阅《High-density performance line Arm®-based 32-bit MCU with 256 to 512KB Flash, USB, CAN, 11 timers, 3 ADCs, 13 communication interfaces》数据手册,STM32F103VET6有两个I2C接口。 从表中可以看到STM32F103VET6芯片I2C1的SCL时钟为92脚PB6,I2C1的SDA时钟为93脚PB...
The I2C instances vary from microcontroller to microcontroller i.e the stm32f103c676A has one I2c instance with stm32 f411 RE having I2C1 and I2C2 . The pins for I2C1 are PB7 – This is used as SDA PB6 – This is used as SCL ...
UM1566 User manual STM32F0xx and STM32F3xx I2C communication peripheral application library (CPAL v2) Introduction The purpose of this document is to explain the architecture and the implementation of the I2C CPAL v2 (Communication Peripheral Application Library). The CPAL v2 provides the ...
STM32F105 硬件I2C从机发送,主机的时钟是400K,使用官方的代码,主机读时,第一个字节发送无效,一直...
STM32系列芯片I2C源代码