ATSAM3S2AA-MU vs ATSAM4S2AA-MU Comparison
Detailed side-by-side comparison of ATSAM3S2AA-MU by Microchip Technology and ATSAM4S2AA-MU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAM3S2AA-MU - 64MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3S2AA-MU β ActiveMicrochip Technology
ATSAM4S2AA-MU - 120MHz Cortex-M4 MCU 128KB Flash | Microchip
ATSAM4S2AA-MU β ActiveSpecification Comparison
| Parameter | ATSAM3S2AA-MU | ATSAM4S2AA-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.60 | $1.22 |
| Core Processor | ARM Cortex-M3 (revision 2.0) | ARM Cortex-M4 |
| Core Size | 32-bit | 32-Bit |
| Max Clock Speed | 64 MHz | β |
| Flash Memory | 128 KB (128K x 8) | β |
| SRAM | 32 KB | β |
| Supply Voltage Range | 1.62 V to 3.6 V | β |
| Supply Voltage Nominal | 1.8 V / 3.3 V | β |
| I/O Count | 47 I/O ports | β |
| Package | 48-QFN (7x7 mm) exposed pad | 48-QFN (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Instruction Set | Thumb-2 | β |
| Memory Protection | MPU included | β |
| USB | USB 2.0 Full-Speed device | β |
| Pin Compatibility | Pin-to-pin compatible with AT91SAM7S and SAM3N (48-pin) | β |
| Life Cycle Stage | Active | β |
| Peripherals | DMA, 12-bit ADC, PWM, USART, parallel capture PIO | β |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | Industrial grade (-40C to +85C per Mouser IND TEMP listing) |
| MSL Level | [DATA_NEEDED: moisture sensitivity level] | β |
| Max Clock Frequency | β | 120 MHz |
| Program Memory (FLASH) | β | 128 KB (128K x 8) |
| SRAM Size | β | [DATA_NEEDED: SRAM size] |
| Series | β | SAM4S |
| Supply Voltage | β | [DATA_NEEDED: supply voltage range] |
| Package Green Status | β | GREEN, MRL-A (Moisture Requirement Level A) |
| Connectivity / Peripherals | β | [DATA_NEEDED: peripheral set summary] |
| Pin-to-Pin Compatibility | β | SAM4N, SAM3S, SAM3N, SAM7S (48-, 64-, 100-pin versions) |
| RoHS Status | β | Compliant (GREEN package per Mouser listing) |
| Number of Terminals | β | 48 |
| Package Shape | β | Square HVQCCN |