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Manufacturer Part #


STM32F Series 64 KB Flash 20 KB RAM 32-Bit ARM Based Microcontroller - LQFP-64

Mfr. Name: STMicroelectronics
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Technical Attributes
Attributes Table
Family Name: STM32F
Core Processor: ARM Cortex M3
Program Memory Type: Flash
Flash Size (Bytes): 64kB
RAM Size: 20kB
Speed: 72MHz
No of I/O Lines: 51
InterfaceType / Connectivity: CAN/IrDA/I2C/LIN/SPI/UART/USART/USB
Peripherals: DMA/Motor Control PWM/PDR/POR/PVD/PWM/Temp Sensor/Watchdog
Number Of Timers: 4
Supply Voltage: 2V to 3.6V
Operating Temperature: -40°C to +105°C
On-Chip ADC: 2(16-chx12-bit)
Watchdog Timers: 2
Package Style:  LQFP-64
Mounting Method: Surface Mount
Features & Applications

The STM32F103R8T7 is a  high performance ARM Cortex-M3 32-bit RISC core operating at a 72 MHz frequency, high speed embedded memories and an extensive range of enhanced I/Os and peripherals connected to two APB buses. All devices offer two 12-bit ADCs, three general purpose 16-bit timers plus one PWM timer, as well as standard and advanced communication interfaces: up to two I2Cs and SPIs, three USARTs, an USB and a CAN.


  • ARM 32-bit Cortex-M3 CPU Core
  • Memories
  • Clock, reset and supply management
  • Low power
  • 2 x 12-bit, 1 µs A/D converters (up to 16 channels)
  • Up to 80 fast I/O ports
  • Debug mode
  • 7 timers
  • Up to 9 communication interfaces
  • CRC calculation unit, 96-bit unique ID
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