STM32F103R8 STMicroelectronics, STM32F103R8 Datasheet - Page 62

• Manufacturer Part Number: STM32F103R8
• Description: Mainstream Performance line, ARM Cortex-M3 MCU with 64 Kbytes Flash, 72 MHz CPU, motor control, USB and CAN
• Manufacturer: STMicroelectronics

Specifications of STM32F103R8

• Conversion Range: 0 to 3.6 V
• Peripherals Supported: timers, ADC, SPIs, I2Cs and USARTs

Electrical characteristics
STM32F103x8, STM32F103xB
Figure 27. 5 V tolerant I/O input characteristics - CMOS port
Figure 28. 5 V tolerant I/O input characteristics - TTL port
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Doc ID 13587 Rev 13