32-bit ARM Cortex-M3 microcontroller featuring 256KB FLASH and 48KB RAM. Operates at up to 64MHz with 34 I/Os and multiple communication interfaces including I2C (2 channels), SPI (1 channel), USB, MMC, UART (2 channels), and USART. Includes 8 ADC channels, 4 PWM channels, 3 timers/counters, and peripherals like DMA, WDT, and POR. Packaged in a 48-pin LQFP for surface mounting, with a supply voltage range of 1.62V to 3.6V and an operating temperature range of -40°C to 85°C.
Frequency64MHz
PackageLQFP
MountingSurface Mount
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Technical Specifications
Microchip ATSAM3S4AA-AU technical specifications.
General
Address Bus Width
32b
Package/Case
LQFP
Core Architecture
ARM
Data Bus Width
32b
Frequency
64MHz
Height
1.45mm
Interface
I2C, SPI, USB, MMC, UART, USART
Lead Free
Lead Free
Length
7mm
Max Frequency
64MHz
Max Operating Temperature
85°C
Min Operating Temperature
-40°C
Max Supply Voltage
3.6V
Memory Size
256KB
Memory Type
FLASH,
Min Supply Voltage
1.62V
Mount
Surface Mount
Number of ADC Channels
8
Number of I/Os
34
Number of I2C Channels
2
Number of PWM Channels
4
Number of SPI Channels
1
Number of Timers/Counters
3
Number of UART Channels
2
Oscillator Type
Internal
Packaging
Tray
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT, DMA
RAM Size
48KB
Reach SVHC Compliant
No
RoHS Compliant
Yes
Series
SAM3S
Watchdog Timer
Yes
Width
7mm
Compliance
RoHS
Compliant
Datasheet
Microchip ATSAM3S4AA-AU Datasheet
Download the complete datasheet for Microchip ATSAM3S4AA-AU to view detailed technical specifications.
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