Microchip Technology ATSAM3S4AA-AUR Microcontroller, Microprocessor, FPGA Modules
IC MCU 32BIT 256KB FLASH 48LQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATSAM3S4AA-AUR
Detailed Description
IC MCU 32BIT 256KB FLASH 48LQFP
Package
48-LQFP
Key Features
Package / Case: 48-LQFP; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ATSAM3S4AA-AUR Datasheet
Quick Jump:
Technical Specifications
Microchip Technology ATSAM3S4AA-AUR Microcontroller, Microprocessor, FPGA Modules technical specifications.
General
RAM Size
48K x 8
RoHS
Yes
Number of Pins
48
Package / Case
48-LQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.62V ~ 3.6V
Lifecycle Status
Active
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number of I/O
34
Related Parts Comparison (ATSAM3S4AA-AUR vs ATSAM3N00AA-AU vs ATSAM4S2AA-AU vs ATSAM3N00AA-AUR)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 48-LQFP | 48-LQFP | 48-LQFP | 48-LQFP |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V | 1.62V ~ 3.6V |
| Number of Pins | 48 | 48 | 48 | 48 |
| Core Processor | ARM® Cortex®-M3 | ARM® Cortex®-M3 | ARM® Cortex®-M4 | ARM® Cortex®-M3 |
| Core Size | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | 48K x 8 | 4K x 8 | 64K x 8 | 4K x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Connectivity | I²C, MMC, SPI, SSC, UART/USART, USB | I²C, IrDA, SPI, UART/USART | I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB | I²C, IrDA, SPI, UART/USART |
| CPU Type | Cortex-M3 | Cortex-M3 | Cortex-M4 | Cortex-M3 |
| Crypto Engine | No | No | No | No |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
CY8C4148AZQ-S453Infineon TechnologiesSimilar FunctionalityInfineon
IC MCU 32BIT 256KB FLASH 100TQFP
MK40DX256VLH7NXP SemiconductorsNXP
IC MCU 32BIT 256KB FLASH 64LQFP
MK51DX256CLK7NXP SemiconductorsNXP
IC MCU 32BIT 256KB FLASH 80FQFP
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.