STM32F103RET7

32-bit ARM Cortex-M3 MCU, 72MHz, 512KB Flash, LQFP

32-bit ARM Cortex-M3 microcontroller featuring 512KB FLASH and 64KB RAM. Operates at up to 72MHz with a 32-bit data bus. Offers extensive interfaces including I2C (2 channels), SPI (3 channels), USB, CAN, UART, USART, IrDA, and LIN. Includes 8 timers/counters, 16 ADC channels across 3 converters, 2 DACs, and 51 programmable I/Os. Packaged in LQFP with a temperature range of -40°C to 105°C.

Frequency72MHz

PackageLQFP

Quick Jump:

Technical Specifications

Stmicroelectronics STM32F103RET7 technical specifications.

General

Package/Case	LQFP
Core Architecture	ARM
Data Bus Width	32b
Frequency	72MHz
Height	1.45mm
Interface	I2C, SPI, USB, IrDA, UART, USART, CAN, LIN
Length	10mm
Max Frequency	72MHz
Max Operating Temperature	105°C
Max Power Dissipation	444mW
Max Supply Voltage	3.6V
Memory Size	512KB
Memory Type	FLASH,
Min Operating Temperature	-40°C
Min Supply Voltage	2V
Nominal Supply Current	1.9uA
Number of A/D Converters	3
Number of ADC Channels	16
Number of D/A Converters	2
Number of I/Os	51
Number of I2C Channels	2
Number of Programmable I/O	51
Number of SPI Channels	3
Number of Timers/Counters	8
Oscillator Type	Internal
Package Quantity	160
Packaging	Tray
Peripherals	POR, PWM, WDT, DMA, Temp Sensor
Radiation Hardening	No
RAM Size	64KB
Reach SVHC Compliant	No
RoHS Compliant	Yes
Series	STM32F1
Watchdog Timer	Yes
Width	10.2mm