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Technical parameters

Key specs

CoreCORTEX-M3
Core size32 bit
Speed72 MHzMax
Flash64 kB
RAM20 kB
I/O count37
Supply voltage2 ~ 3.6 V

Datasheet-verified parameters

16 items
ParameterValue and test conditionsSource
CoreARM Cortex-M3
Clock Frequency72 MHz
Flash64 KB
SRAM20 KB
Supply Voltage (Recommended)2.0~3.6 V
VDD Absolute Maximum-0.3~4.0 V
I/O Output Current (Source/Sink)-25/+25 mA
5V Tolerant I/O有,VDD=2~3.6V 时 VIN max 5.5V
Operating Temperature (suffix 6)-40~85 °C
Storage Temperature-65~+150 °C
Maximum Junction Temperature150 °C
PackageLQFP48 7×7 mm
Number of I/O37
ADC2×12-bit,最高 16 通道,1 µs
Timer7 个(含 3×16-bit、1 高级 PWM、2 WDG、SysTick)
Communication Interfaces3 USART、2 SPI、2 I2C、1 CAN 2.0B、1 USB 2.0 FS
All parameters (22)ExpandCollapse
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 / Case48-LQFP
Program Memory Size64KB (64K x 8)
RAM Size20K x 8
Other
Base Product NumberSTM32F103
ConnectivityCANbus, I²C, IrDA, LINbus, SPI, UART/USART, USB
Core ProcessorARM® Cortex®-M3
Data ConvertersA/D 10x12b
DigiKey ProgrammableNot Verified
MfrSTMicroelectronics
Number of I/O37
Oscillator TypeInternal
PeripheralsDMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT
Product StatusActive
Program Memory TypeFLASH
SeriesSTM32F1
Speed72MHz

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Datasheet-verified content is extracted by AI from the manufacturer datasheet. Click a page number to view the original.