32-bit ARM Cortex-M3 MCU, 72MHz, 128KB Flash, LQFP Product overview: STM32F103RBT7 from STMicroelectronics is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include ARM Cortex-M, 32-bit, 72MHz, 128KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, ARM Cortex-M, 32-bit, 72MHz, 128KB. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-STM32F103RBT7 can be used for catalog matching and distributor lookup.
ARM® Cortex®-M3 STM32F1 Microcontroller IC 32-Bit Single-Core 72MHz 128KB (128K x 8) FLASH 64-LQFP (10x10)
Manufacturer: STMicroelectronics
Win Source Part Number: 1261394-STM32F103RBT
Series: STM32 F1
Packaging: Tray
Operating Temperature Range: -40°C ~ 105°C (TA)
Core Processor: ARM Cortex-M3
Speed: 72MHz
Package: 64-LQFP
Core Size: 32-Bit
Connectivity: CAN, I2C, IrDA, LIN, SPI, UART/USART, USB
Peripherals: DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT
Number of I/O: 51
Program Memory Size: 128KB (128K x 8)
Program Memory Type: FLASH
RAM Size: 20K x 8
Data Converters: A/D 16x12b
Oscillator Type: Internal
Supply Voltage: 2 V ~ 3.6 V
Family Name: STM32F103RB
Categories: Integrated Circuits (ICs)
Manufacturer Homepage: www.st.com
Manufacturer Package: 64-LQFP (10x10)
Alternative Parts (Cross-Reference): LM3S5P56-EQR100-C0T;
Introduction Date: June 01, 2007
ECCN: 3A991.a.2
Country of Origin: China, Malaysia, Philippines, Taiwan
Estimated EOL Date: 2026
Halogen Free: Compliant
Popularity: Medium
Fake Threat In the Open Market: 70 pct.
Supply and Demand Status: Limited
ARM Microcontrollers - MCU 32BIT Cortex M3 M/D Performance LINE
IC MCU 32BIT 128KB FLASH 64LQFP
IC MCU 32BIT 128KB FLASH 64LQFP
IC MCU 32BIT 128KB FLASH 64LQFP
ARM® Cortex®-M3 STM32F1 Microcontroller IC 32-Bit Single-Core 72MHz 128KB (128K x 8) FLASH 64-LQFP (10x10)
| ERSAELECTRONICS PTE. LTD. | DigiKey | Win Source Electronics | VAST STOCK CO., LIMITED | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | ODG (Origin Data Global) | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-STM32F103RBT7 | 497-11526-ND | 1261394-STM32F103RBT7 | STM32F103RBT7 | STM32F103RBT7 | STM32F103RBT7 | STM32F103RBT7 | STM32F103RBT7 |
| Product Name | ARM Cortex-M 32-bit 72MHz 128KB Embedded Microcontroller MCU | Microcontrollers | Embedded - Embedded - Microcontrollers - STM32F103RBT7 | ARM Microcontrollers - MCU | Integrated Circuits (ICs) - Embedded - Microcontrollers | Embedded - Microcontrollers | Microcontrollers | Microcontrollers |
| Data Bus | 32 Bit | 32 Bit | 32 Bit | 32 Bit | 32 Bit; 32-Bit | 32 Bit | 32 Bit; 32-Bit Single-Core | |
| RAM | 20 KB | 20 KB | 128 KB | 20 KB | 20 KB | 20 KB | ||
| Supply Voltage | 2 to 3.6 volts | 2 to 3.6 volts | 2 to 3.6 volts | 3.6 volts | 2 to 3.6 volts | |||
| Serial Interface | I2C, SPI, USB, CAN, IrDA, UART, USART, LIN | CAN; SPI; UART; USART; USB | ||||||
| Package Type | Other; LQFP | LFQP; Other; 64-LQFP | Other; 64-LQFP | QFP; Other; 64-LQFP | QFP; Other; 64-LQFP |
