AN4221 datasheet(5/51 Pages) STMICROELECTRONICS

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AN4221 Fiches technique(PDF) 5 Page - STMicroelectronics

No de pièce	AN4221

Description	I2C protocol used in the STM32 bootloader

Download	51 Pages

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Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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5 / 51 page

DocID024055 Rev 2

5/51

AN4221

I2C bootloader code sequence

Figure 1. Bootloader for STM32 with I2C

Note:

The I2C slave address for each product's bootloader is specified in the AN2606.

Once the system memory boot mode has been entered, and the STM32 microcontroller has

been configured (for more details, refer to your STM32 system memory boot mode

application note), the bootloader code begins to scan the I2C_SDA line pin, waiting to detect

its own address on the bus. Once detected, the I2C bootloader firmware begins receiving

host commands.

Fabricant	No de pièce	Fiches technique	Description
STMicroelectronics	AN4227	1Mb / 13P	Audio hub demonstration kit supporting the MP45DT02
	AN4228	841Kb / 90P	Migrating from STM32F1 to STM32F3 microcontrollers
	AN4229	472Kb / 26P	How to implement a vocoder solution using STM32 microcontrollers

Fabricant	No de pièce	Fiches technique	Description
STMicroelectronics	AN3155	1Mb / 37P	USART protocol used in the STM32 bootloader
	AN3154	638Kb / 34P	CAN protocol used in the STM32 bootloader
	AN4286	555Kb / 38P	SPI protocol used in the STM32 bootloader
	AN3156	400Kb / 26P	USB DFU protocol used in the STM32 bootloader
Microchip Technology	AN1302	100Kb / 8P	An I2C??Bootloader for the PIC16F1XXX Enhanced Core 03/26/09
STMicroelectronics	AN3262	1Mb / 27P	Using the over-the-air bootloader with STM32W108 devices
	AN3126	835Kb / 24P	Audio and waveform generation using the DAC in STM32 microcontrollers
	AN4655	344Kb / 21P	Virtually increasing the number of serial communication peripherals in STM32 applications
ATMEL Corporation	AT90USB128X	194Kb / 28P	USB DFU Bootloader
STMicroelectronics	AN4566	369Kb / 19P	Extending the DAC performance of STM32 microcontrollers

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