Configuration	H753_CPP_I2C_DS3231_RTC_01
STM32CubeMX 	6.14.1
Date	10/07/2026
MCU	STM32H753ZITx



PERIPHERALS	MODES	FUNCTIONS	PINS
I2C1	I2C	I2C1_SCL	PB8
I2C1	I2C	I2C1_SDA	PB9
RCC	Crystal/Ceramic Resonator	RCC_OSC_IN	PH0-OSC_IN (PH0)
RCC	Crystal/Ceramic Resonator	RCC_OSC_OUT	PH1-OSC_OUT (PH1)
RCC	Crystal/Ceramic Resonator	RCC_OSC32_IN	PC14-OSC32_IN (OSC32_IN)
RCC	Crystal/Ceramic Resonator	RCC_OSC32_OUT	PC15-OSC32_OUT (OSC32_OUT)
SYS	SysTick	SYS_VS_Systick	VP_SYS_VS_Systick
USART1	Asynchronous	USART1_RX	PA10
USART1	Asynchronous	USART1_TX	PA9



Pin Nb	PINs	FUNCTIONs	LABELs
8	PC14-OSC32_IN (OSC32_IN)	RCC_OSC32_IN	
9	PC15-OSC32_OUT (OSC32_OUT)	RCC_OSC32_OUT	
23	PH0-OSC_IN (PH0)	RCC_OSC_IN	
24	PH1-OSC_OUT (PH1)	RCC_OSC_OUT	
77	PD8*	USART3_TX	STLINK_RX
78	PD9*	USART3_RX	STLINK_TX
101	PA9	USART1_TX	
102	PA10	USART1_RX	
139	PB8	I2C1_SCL	
140	PB9	I2C1_SDA	
PERIPHERALS	MODES	FUNCTIONS	PINS
I2C1	I2C	I2C1_SCL	PB8
I2C1	I2C	I2C1_SDA	PB9
RCC	Crystal/Ceramic Resonator	RCC_OSC_IN	PH0-OSC_IN (PH0)
RCC	Crystal/Ceramic Resonator	RCC_OSC_OUT	PH1-OSC_OUT (PH1)
RCC	Crystal/Ceramic Resonator	RCC_OSC32_IN	PC14-OSC32_IN (OSC32_IN)
RCC	Crystal/Ceramic Resonator	RCC_OSC32_OUT	PC15-OSC32_OUT (OSC32_OUT)
SYS	SysTick	SYS_VS_Systick	VP_SYS_VS_Systick
USART1	Asynchronous	USART1_RX	PA10
USART1	Asynchronous	USART1_TX	PA9



Pin Nb	PINs	FUNCTIONs	LABELs
8	PC14-OSC32_IN (OSC32_IN)	RCC_OSC32_IN	
9	PC15-OSC32_OUT (OSC32_OUT)	RCC_OSC32_OUT	
23	PH0-OSC_IN (PH0)	RCC_OSC_IN	
24	PH1-OSC_OUT (PH1)	RCC_OSC_OUT	
77	PD8*	USART3_TX	STLINK_RX
78	PD9*	USART3_RX	STLINK_TX
101	PA9	USART1_TX	
102	PA10	USART1_RX	
139	PB8	I2C1_SCL	
140	PB9	I2C1_SDA	



SOFTWARE PROJECT

Project Settings : 
Project Name : H753_CPP_I2C_DS3231_RTC_01
Project Folder : /home/johng/workbench6/H753_CPP_I2C_DS3231_RTC_01
Toolchain / IDE : STM32CubeIDE
Firmware Package Name and Version : STM32Cube FW_H7 V1.12.1


Code Generation Settings : 
STM32Cube MCU packages and embedded software packs : Copy only the necessary library files
Generate peripheral initialization as a pair of '.c/.h' files per peripheral : No
Backup previously generated files when re-generating : No
Delete previously generated files when not re-generated : Yes
Set all free pins as analog (to optimize the power consumption) : No


Toolchains Settings : 
Compiler Optimizations : 





