ATSAM3S1CB-AU vs ATSAM3S4BA-AU Comparison
Detailed side-by-side comparison of ATSAM3S1CB-AU by Microchip Technology and ATSAM3S4BA-AU 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
ATSAM3S1CB-AU - ARM Cortex-M3 64MHz 64KB Flash MCU | Microchip
ATSAM3S1CB-AU ✓ ActiveMicrochip Technology
ATSAM3S4BA-AU - 64MHz Cortex-M3 MCU 256KB Flash | Microchip (Tape & Reel)
ATSAM3S4BA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S1CB-AU | ATSAM3S4BA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 (revision 2.0) | ARM Cortex-M3 (32-bit RISC) |
| Core Size | 32-bit | 32-bit |
| Maximum Clock Frequency | 64 MHz | 64 MHz |
| Flash Memory | 64 KB (64K x 8) | — |
| SRAM | 16 KB | — |
| ROM | 16 KB | — |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| Memory Protection Unit | Yes (MPU) | — |
| Instruction Set | Thumb-2 | — |
| Peripherals | DMA, PWM, WDT, RTC, USB | — |
| Connectivity | USB 2.0 Full-Speed Device, USART, SPI, TWI (I2C) | HSMCI, I2C, I2S, IrDA, SPI, SSC, TWI, UART, USART, USB |
| ADC Resolution | 12-bit | — |
| Package | 100-LQFP (14 x 14 mm) | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 C to +85 C (industrial) | [DATA_NEEDED: operating temperature range] |
| Pin Compatibility | Pin-to-pin compatible with AT91SAM7S series (64-pin versions) and SAM3N1C | Pin-to-pin compatible with SAM3N4B and SAM7S64 |
| RoHS Status | Compliant (Green package per Mouser listing) | Compliant (RoHS/Green per distributor listings) |
| Program Memory Size | — | 256KB (256K x 8) Flash |
| RAM Size | — | 49KB SRAM |
| Supply Voltage (Typical) | — | 1.8 V / 3.3 V |
| DMA | — | Yes (peripheral DMA controller) |
| Pin Count | — | 64 |
| Series | — | SAM3S (SAM3S4B) |
| MSL Level | — | [DATA_NEEDED: moisture sensitivity level] |
| ECCN / HTS | — | [DATA_NEEDED: ECCN] |