ATSAM3S1CB-AU vs ATSAM3S1CA-AU Comparison
Detailed side-by-side comparison of ATSAM3S1CB-AU by Microchip Technology and ATSAM3S1CA-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
ATSAM3S1CA-AU - 64MHz ARM Cortex-M3 MCU, 64KB Flash | Microchip
ATSAM3S1CA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S1CB-AU | ATSAM3S1CA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.10 | $0.00 |
| Core Processor | ARM Cortex-M3 (revision 2.0) | ARM Cortex-M3 |
| Core Size | 32-bit | 32-Bit |
| Maximum Clock Frequency | 64 MHz | — |
| Flash Memory | 64 KB (64K x 8) | — |
| SRAM | 16 KB | 16 KB |
| ROM | 16 KB | — |
| Supply Voltage Range | 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) | EBI/EMI, I2C, Memory Card, SPI, SSC, UART/USART, USB |
| ADC Resolution | 12-bit | — |
| Package | 100-LQFP (14 x 14 mm) | 100-LQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 C to +85 C (industrial) | — |
| Pin Compatibility | Pin-to-pin compatible with AT91SAM7S series (64-pin versions) and SAM3N1C | — |
| RoHS Status | Compliant (Green package per Mouser listing) | — |
| Maximum Clock Speed | — | 64 MHz |
| Flash Program Memory | — | 64 KB (64K x 8) |
| Core Supply Voltage | — | 1.08 V to 1.32 V |
| I/O Supply Voltage | — | 1.8 V / 3.3 V |
| Number of I/O | — | 47 |
| Terminal Form | — | Gull Wing |
| Package Shape | — | Square (LFQFP) |
| Temperature Grade | — | Industrial |
| Lifecycle Status | — | Active |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| Supply Voltage Range (VDDIO) | — | [DATA_NEEDED: VDDIO range] |
| ADC Resolution / Channels | — | [DATA_NEEDED: ADC specifications] |
| Timers | — | [DATA_NEEDED: timer/counter configuration] |