ATSAM3S4BA-AU vs ATSAM4S2BB-AN Comparison
Detailed side-by-side comparison of ATSAM3S4BA-AU by Microchip Technology and ATSAM4S2BB-AN 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-AU - 64MHz Cortex-M3 MCU 256KB Flash | Microchip (Tape & Reel)
ATSAM3S4BA-AU ✓ ActiveMicrochip Technology
ATSAM4S2BB-AN - 120MHz Cortex-M4 MCU, 128KB Flash | Microchip (Tape & Reel)
ATSAM4S2BB-AN ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S4BA-AU | ATSAM4S2BB-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 (32-bit RISC) | — |
| Core Size | 32-bit | — |
| Maximum Clock Frequency | 64 MHz | 120 MHz |
| Program Memory Size | 256KB (256K x 8) Flash | 128 KB FLASH |
| RAM Size | 49KB SRAM | — |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| Supply Voltage (Typical) | 1.8 V / 3.3 V | — |
| Connectivity | HSMCI, I2C, I2S, IrDA, SPI, SSC, TWI, UART, USART, USB | — |
| DMA | Yes (peripheral DMA controller) | — |
| Package | 64-LQFP (10x10 mm) | — |
| Mounting Type | Surface Mount | — |
| Pin Count | 64 | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| Series | SAM3S (SAM3S4B) | SAM4S |
| Pin Compatibility | Pin-to-pin compatible with SAM3N4B and SAM7S64 | — |
| MSL Level | [DATA_NEEDED: moisture sensitivity level] | — |
| RoHS Status | Compliant (RoHS/Green per distributor listings) | — |
| ECCN / HTS | [DATA_NEEDED: ECCN] | — |
| Core | — | ARM Cortex-M4 |
| Data Bus Width | — | 32 bit |
| Program Memory Type | — | Flash (ECC, Security Bit, Lock Bits) |
| SRAM Size | — | 64 KB |
| Backup Mode Power Consumption | — | 180 uA |
| DSP Instructions | — | Yes (Thumb-2, DSP extensions) |
| Memory Protection Unit | — | Yes (MPU) |
| USB | — | Full-Speed USB Device port with embedded transceiver |
| Package / Case | — | LQFP-64 (10 x 10 mm) |
| Mounting Style | — | SMD/SMT |
| Temperature Grade | — | Industrial |
| Terminal Form | — | Gull Wing |
| Number of Terminals | — | 64 |
| RoHS | — | Compliant (Y) |