6.[stm32f429] 74hc245 테스트

공부/STM32F4

유저라인 2018. 6. 14. 17:39

728x90

1. stm32CubeMx

2. 회로도

3. main.c

int main(void)

{

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

/* MCU Configuration----------------------------------------------------------*/

/* Reset of all peripherals, Initializes the Flash interface and the Systick. */

HAL_Init();

/* USER CODE BEGIN Init */

/* USER CODE END Init */

/* Configure the system clock */

SystemClock_Config();

/* USER CODE BEGIN SysInit */

/* USER CODE END SysInit */

/* Initialize all configured peripherals */

MX_GPIO_Init();

MX_TIM1_Init();

/* USER CODE BEGIN 2 */

HAL_TIM_OC_Start(&htim1,TIM_CHANNEL_1);

/* USER CODE END 2 */

/* Infinite loop */

/* USER CODE BEGIN WHILE */

while (1)

{

/* USER CODE END WHILE */

/* USER CODE BEGIN 3 */

}

/* USER CODE END 3 */

}

4. 결과

3V->5V 로 레벨 시프트 되는 것을 볼 수 있다.

728x90