RS Components
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Microchip ATSAM4LS4AA-MU, 32bit ARM Cortex M4 Microcontroller, SAM4L, 48MHz, 256 kB Flash, 48-Pin QFN

Discontinued product
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SMART SAM4L ARM® Cortex-M4 Microcontrollers

Based on the ARM® Cortex®-M4 processor, the Atmel® SMART SAM4L series of microcontroller units (MCUs) delivers the picoPower® Technology with the lowest power in active mode (down to 90μA/MHz) as well as sleep mode with full RAM retention (1.5μA) with the shortest wake-up time (down to 1.5μs). They also include QTouch capacitive touch support and highly efficient signal processing.

Family NameSAM4L
Package TypeQFN
Mounting TypeSurface Mount
Pin Count48
Device CoreARM Cortex M4
Data Bus Width32bit
Program Memory Size256 kB
Maximum Frequency48MHz
RAM Size32 kB
USB Channels1
ADC Channels16
Typical Operating Supply Voltage1.8 V, 3.3 V
Minimum Operating Temperature-40 °C
Dimensions7 x 7 x 0.85mm
ADC Resolution12bit
Number of Timers1
Timers1(6 x 16 bit)
Maximum Operating Temperature+85 °C
Program Memory TypeFlash
Number of ADC Units1
Instruction Set ArchitectureRISC
ADCs1(16 x 12 bit)
PWM Channels0
Timer Resolution16bit