ATSAM4S2AA-MU vs ATSAM3S4AA-MU Comparison
Detailed side-by-side comparison of ATSAM4S2AA-MU by Microchip Technology and ATSAM3S4AA-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
ATSAM4S2AA-MU - 120MHz Cortex-M4 MCU 128KB Flash | Microchip
ATSAM4S2AA-MU ✓ ActiveMicrochip Technology
ATSAM3S4AA-MU - 64MHz Cortex-M3 256KB Flash MCU | Microchip
ATSAM3S4AA-MU ✓ ActiveSpecification Comparison
| Parameter | ATSAM4S2AA-MU | ATSAM3S4AA-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.22 | $3.85 |
| Core Processor | ARM Cortex-M4 | ARM Cortex-M3 revision 2.0 |
| Core Size | 32-Bit | 32-bit single-core |
| Max Clock Frequency | 120 MHz | — |
| Program Memory (FLASH) | 128 KB (128K x 8) | — |
| SRAM Size | [DATA_NEEDED: SRAM size] | — |
| Series | SAM4S | — |
| Supply Voltage | [DATA_NEEDED: supply voltage range] | 1.62 V to 3.6 V |
| Operating Temperature | Industrial grade (-40C to +85C per Mouser IND TEMP listing) | [DATA_NEEDED: operating temperature range] |
| Package | 48-QFN (7x7 mm) | 48-QFN (7x7 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Package Green Status | GREEN, MRL-A (Moisture Requirement Level A) | — |
| Connectivity / Peripherals | [DATA_NEEDED: peripheral set summary] | — |
| Pin-to-Pin Compatibility | SAM4N, SAM3S, SAM3N, SAM7S (48-, 64-, 100-pin versions) | — |
| RoHS Status | Compliant (GREEN package per Mouser listing) | — |
| Number of Terminals | 48 | — |
| Package Shape | Square HVQCCN | — |
| Maximum Clock Frequency | — | 64 MHz |
| Flash Memory | — | 256 KB (256K x 8) |
| SRAM | — | 48 KB |
| Instruction Set | — | Thumb-2 |
| Memory Protection Unit | — | Yes (MPU) |
| Flash Access Width | — | 128-bit with memory accelerator |
| USB | — | USB 2.0 device |
| ADC Resolution | — | [DATA_NEEDED: ADC resolution and channels] |
| Communication Interfaces | — | USART, SPI, TWI (I2C), USB |
| Debug Interface | — | SWD (Serial Wire Debug) |
| Legacy Compatibility | — | Pin-to-pin compatible with AT91SAM7S (48/64-pin) |
| Packaging | — | Tray |