ATSAM3U1CA-AU vs ATSAM3U2CA-AU Comparison
Detailed side-by-side comparison of ATSAM3U1CA-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
ATSAM3U1CA-AU - 96MHz Cortex-M3, 64KB Flash MCU | Microchip
ATSAM3U1CA-AU β ActiveMicrochip Technology
ATSAM3U2CA-AU - 96MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3U2CA-AU β ActiveSpecification Comparison
| Parameter | ATSAM3U1CA-AU | ATSAM3U2CA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $12.70 | $4.45 |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M3 revision 2.0 |
| Core Size | 32-bit | 32-bit |
| Maximum Clock Frequency | 96 MHz | 96 MHz |
| Instruction Set | Thumb-2 | Thumb-2 |
| Memory Protection | MPU (Memory Protection Unit) | β |
| Program Memory Size | 64 KB (64K x 8) Flash | β |
| Flash Organization | 128-bit wide | β |
| SRAM Size | 20 KB | β |
| Supply Voltage Range | 1.62 V to 3.6 V | β |
| USB | High-speed USB device with integrated transceiver | USB 2.0 High-Speed Device, 480 Mbps, embedded transceiver, 4 KB FIFO, up to 7 endpoints, dedicated DMA |
| DMA | PDC and DMA, multi-layer bus matrix, multiple SRAM banks | β |
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Series | SAM3U | β |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (A grade) |
| Number of I/O | [DATA_NEEDED: GPIO count] | β |
| MSL Level | [DATA_NEEDED: moisture sensitivity level] | β |
| Flash Memory | β | 128 KB (128K x 8) |
| SRAM | β | 36 KB |
| Memory Protection Unit | β | Yes (MPU) |
| USART/UART | β | Up to 4 USARTs (ISO7816, IrDA, flow control, SPI, Manchester) + 1 UART |
| Serial Interfaces | β | 2 x TWI (I2C-compatible), 1 x SPI, 1 x SSC (I2S), 1 x HSMCI (SDIO/SD/MMC) |
| Supply Voltage | β | 1.62 V to 3.6 V |
| RTC Current (backup domain) | β | 0.6 uA |
| Backup Registers | β | 32 registers in VDDBU domain |
| Life Cycle Stage | β | ACTIVE |
| Number of ADC Channels | β | [DATA_NEEDED: Number of ADC channels] |
| RoHS Status | β | [DATA_NEEDED: RoHS status] |