STMicroelectronics STM32F105R8T7

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32F1
Packaging Tray | NULL
Core Processor ARM® Cortex®-M3
Core Size 32-Bit Single-Core
Speed 72MHz
Connectivity CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB OTG
Peripherals DMA, POR, PWM, Voltage Detect, WDT
Number of I/O 51
Program Memory Size 64KB (64K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 64K x 8
Voltage - Supply (Vcc/Vdd) 2V ~ 3.6V
Data Converters A/D 16x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package -
Package / Case 64-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32F105R8T7 from STMicroelectronics is a 32-bit microcontroller featuring the ARM Cortex-M3 core at 72MHz. It provides 64KB of flash and a generous 64KB of SRAM in a 64-LQFP package. Operating from 2V to 3.6V and -40°C to 105°C, it is built for demanding environments. With DMA, PWM, and voltage detection, it offers a balanced feature set for connectivity and control applications.

  • Large SRAM: 64KB RAM enables complex data buffering and multitasking.
  • High Temperature: 105°C rating supports automotive and industrial environments.
  • Efficient DMA: Reduces CPU load for high-throughput data transfers.
  • Versatile I/O: 64-pin package provides ample GPIO for peripheral integration.

Connectivity Hubs

The large 64KB SRAM and multiple communication interfaces make it ideal for protocol bridging in industrial gateways.

Motor Drives

With PWM and DMA, it can manage complex motor control algorithms while maintaining real-time responsiveness.

Power Conversion

Its voltage detection and wide temperature range support robust operation in inverters and power supplies.

Building Automation

The extended temperature range and reliable I/O make it suitable for HVAC controllers and lighting systems.

Test Equipment

High-speed processing and ample RAM enable data logging and waveform generation in portable instruments.

Automotive Electronics

The 105°C rating and robust features support engine management and body control modules.

Q: What is the core and speed of the STM32F105R8T7?
A: It uses an ARM Cortex-M3 core running at 72MHz.
Q: What is the supply voltage range?
A: The voltage range is 2V to 3.6V.
Q: How much flash and RAM does it have?
A: It has 64KB of flash and 64KB of SRAM.
Q: What package is it available in?
A: It comes in a 64-pin LQFP package.
Q: What is the operating temperature?
A: It operates from -40°C to 105°C.
Base Product Number : STM32F105R8T7
32-bit MCU 64-LQFP 64KB Flash 64KB RAM 72MHz ARM Cortex-M3 Connectivity STM32F105R8T7 STMicroelectronics
Q: What is the core and speed of the STM32F105R8T7?
A: It uses an ARM Cortex-M3 core running at 72MHz.
Q: What is the supply voltage range?
A: The voltage range is 2V to 3.6V.
Q: How much flash and RAM does it have?
A: It has 64KB of flash and 64KB of SRAM.
Q: What package is it available in?
A: It comes in a 64-pin LQFP package.
Q: What is the operating temperature?
A: It operates from -40°C to 105°C.