ATSAM3U1CB-AU vs ATSAM3U2CA-AU Comparison
Detailed side-by-side comparison of ATSAM3U1CB-AU by Microchip Technology and ATSAM3U2CA-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
ATSAM3U1CB-AU - 96MHz Cortex-M3 MCU | Microchip Technology
ATSAM3U1CB-AU ✓ ActiveMicrochip Technology
ATSAM3U2CA-AU - 96MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3U2CA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3U1CB-AU | ATSAM3U2CA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Product Type | 32-bit ARM Cortex-M3 flash microcontroller | — |
| Maximum CPU Frequency | 96 MHz | — |
| Processor Core | ARM Cortex-M3 revision 2.0 | — |
| Architecture | 32-bit RISC | — |
| Embedded Flash Memory | 64 KB | — |
| Flash Memory Organization | 64K x 8 bits | — |
| Instruction Set | Thumb-2 | Thumb-2 |
| Memory Protection Unit | Yes | Yes (MPU) |
| USB Interface | High-speed USB device port with embedded transceiver | — |
| Multimedia Card Interface | High-speed MCI for SDIO, SD, and MMC | — |
| External Bus | External bus interface | — |
| Package Type | 100-pin LQFP | — |
| Package Dimensions | 14 mm x 14 mm | — |
| Mounting Type | Surface mount | Surface Mount |
| Operating Temperature Range | -40 °C to +85 °C | — |
| Lifecycle Status | Active | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | — |
| Core Processor | — | ARM Cortex-M3 revision 2.0 |
| Core Size | — | 32-bit |
| Maximum Clock Frequency | — | 96 MHz |
| Flash Memory | — | 128 KB (128K x 8) |
| SRAM | — | 36 KB |
| USB | — | USB 2.0 High-Speed Device, 480 Mbps, embedded transceiver, 4 KB FIFO, up to 7 endpoints, dedicated DMA |
| USART/UART | — | Up to 4 USARTs (ISO7816, IrDA, flow control, SPI, Manchester) + 1 UART |
| Serial Interfaces | — | 2 x TWI (I2C-compatible), 1 x SPI, 1 x SSC (I2S), 1 x HSMCI (SDIO/SD/MMC) |
| Supply Voltage | — | 1.62 V to 3.6 V |
| RTC Current (backup domain) | — | 0.6 uA |
| Backup Registers | — | 32 registers in VDDBU domain |
| Operating Temperature | — | -40C to +85C (A grade) |
| Package | — | 100-LQFP (14 x 14 mm) |
| Life Cycle Stage | — | ACTIVE |
| Number of ADC Channels | — | [DATA_NEEDED: Number of ADC channels] |