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Technical parameters

Key specs

CoreCORTEX-M3
Core size32 bit
Speed72 MHzMax
Flash768 kB
RAM96 kB
I/O count112
Supply voltage2 ~ 3.6 V
Power
Voltage - Supply (Vcc/Vdd)2V ~ 3.6V
Environment and package
Core Size32-Bit Single-Core
EEPROM Size-
Mounting TypeSurface Mount
Operating Temperature-40°C ~ 85°C (TA)
PackageTray
Package / Case144-LQFP
Program Memory Size768KB (768K x 8)
RAM Size96K x 8
Supplier Device Package144-LQFP (20x20)
Other
Base Product NumberSTM32F103
ConnectivityCANbus, I²C, IrDA, LINbus, SPI, UART/USART, USB
Core ProcessorARM® Cortex®-M3
Data ConvertersA/D 21x12b; D/A 2x12b
DigiKey ProgrammableNot Verified
MfrSTMicroelectronics
Number of I/O112
Oscillator TypeInternal
PeripheralsDMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT
Product StatusActive
Program Memory TypeFLASH
SeriesSTM32F1
Speed72MHz

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