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Technical parameters

Key specs

CoreCORTEX-M4
Core size32 bit
Speed80 MHzMax
Flash512 kB
RAM160 kB
I/O count38
Supply voltage1.71 ~ 3.6 V
Power
Voltage - Supply (Vcc/Vdd)1.71V ~ 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-UFQFN Exposed Pad
Program Memory Size512KB (512K x 8)
RAM Size160K x 8
Supplier Device Package48-UFQFPN (7x7)
Other
Base Product NumberSTM32L451
ConnectivityCANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART
Core ProcessorARM® Cortex®-M4
Data ConvertersA/D 10x12b; D/A 1x12b
DigiKey ProgrammableNot Verified
MfrSTMicroelectronics
Number of I/O38
Oscillator TypeInternal
PeripheralsBrown-out Detect/Reset, DMA, PWM, WDT
Product StatusActive
Program Memory TypeFLASH
SeriesSTM32L4
Speed80MHz

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