ATSAM3S1BB-MU vs ATSAM3S4BA-MU Comparison
Detailed side-by-side comparison of ATSAM3S1BB-MU by Microchip Technology and ATSAM3S4BA-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
ATSAM3S1BB-MU - 64MHz Cortex-M3 MCU 64KB Flash | Microchip
ATSAM3S1BB-MU ✓ ActiveMicrochip Technology
ATSAM3S4BA-MU - Cortex-M3 64MHz MCU 256KB Flash | Microchip
ATSAM3S4BA-MU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S1BB-MU | ATSAM3S4BA-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 | ARM Cortex-M3 revision 2.0 |
| Core Size | 32-Bit | 32-bit |
| Maximum Clock Frequency | 64 MHz | 64 MHz |
| Flash Memory | 64 KB (64K x 8) | 256 KB (256K x 8) |
| SRAM | 16 KB | 48 KB |
| Series | SAM3S | — |
| Package | 64-QFN (9 x 9 mm) | 64-QFN (9x9 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | Industrial (-40C to +85C) | [DATA_NEEDED: operating temperature range] |
| USB | USB 2.0 Full-Speed Device | — |
| Supply Voltage | [DATA_NEEDED: supply voltage range] | — |
| Number of I/O | [DATA_NEEDED: number of GPIO] | 47 |
| ADC Resolution | [DATA_NEEDED: ADC resolution] | 12-bit |
| Connectivity Peripherals | USB, SPI, UART/USART, TWI (I2C) | — |
| Program Memory Type | Flash | — |
| Package Color / Material | QFN, Green | — |
| MSL Rating | MRL B (per Mouser listing) | — |
| RoHS Status | Compliant (Green package) | — |
| Supply Voltage (VDDIO) | — | 1.62 V to 3.6 V |
| Core Supply Voltage | — | 1.08 V to 1.32 V |
| Peripherals | — | DMA (PDC), PWM, WDT, USB 2.0 full-speed device |
| Connectivity | — | USART, SPI, TWI (I2C), USB |
| Instruction Set | — | Thumb-2 |
| Memory Protection Unit | — | Yes (MPU) |
| Life Cycle Stage | — | Active |
| Packaging | — | Tray |