ATSAM3S4BA-MU vs ATSAM3S2BA-MU Comparison
Detailed side-by-side comparison of ATSAM3S4BA-MU by Microchip Technology and ATSAM3S2BA-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
ATSAM3S4BA-MU - Cortex-M3 64MHz MCU 256KB Flash | Microchip
ATSAM3S4BA-MU ✓ ActiveMicrochip Technology
ATSAM3S2BA-MU - 64MHz Cortex-M3 MCU 128KB Flash | Microchip (Tape & Reel)
ATSAM3S2BA-MU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S4BA-MU | ATSAM3S2BA-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M3 |
| Core Size | 32-bit | 32-Bit |
| Maximum Clock Frequency | 64 MHz | 64 MHz |
| Flash Memory | 256 KB (256K x 8) | 128 KB (128K x 8) |
| SRAM | 48 KB | [DATA_NEEDED: SRAM size] |
| Supply Voltage (VDDIO) | 1.62 V to 3.6 V | — |
| Core Supply Voltage | 1.08 V to 1.32 V | — |
| Number of I/O | 47 | — |
| Peripherals | DMA (PDC), PWM, WDT, USB 2.0 full-speed device | DMA, PWM, WDT, Capacitive Touch |
| Connectivity | USART, SPI, TWI (I2C), USB | — |
| ADC Resolution | 12-bit | 12-bit |
| Package | 64-QFN (9x9 mm) with exposed pad | 64-QFN (9x9 mm) with Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (Industrial) |
| Instruction Set | Thumb-2 | — |
| Memory Protection Unit | Yes (MPU) | — |
| Life Cycle Stage | Active | — |
| Packaging | Tray | — |
| Supply Voltage Range | — | 1.62 V to 3.6 V (1.8V/3.3V operation) |
| Number of Pins | — | 64 |
| USB | — | USB 2.0 Full-Speed Device |
| DAC Resolution | — | 12-bit |
| Series | — | SAM3S |
| Communication Interfaces | — | USART, SPI, TWI (I2C), USB |
| RoHS Status | — | Compliant (Green package per Mouser listing) |