ATSAM3U2EA-AU vs ATSAM3U2CA-AU Comparison
Detailed side-by-side comparison of ATSAM3U2EA-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
ATSAM3U2EA-AU - 96MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3U2EA-AU ✓ ActiveMicrochip Technology
ATSAM3U2CA-AU - 96MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3U2CA-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3U2EA-AU | ATSAM3U2CA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.22 | $4.45 |
| Core Processor | ARM Cortex-M3 (revision 2.0) | ARM Cortex-M3 revision 2.0 |
| Core Size | 32-bit | 32-bit |
| Maximum Clock Speed | 96 MHz | — |
| Instruction Set | Thumb-2 | Thumb-2 |
| Memory Protection | MPU (Memory Protection Unit) | — |
| Flash Memory | 128 KB (128K x 8) | 128 KB (128K x 8) |
| SRAM | 36 KB | 36 KB |
| Flash Access | 128-bit wide with memory accelerator, dual bank | — |
| Supply Voltage Range | 1.62V to 3.6V | — |
| Internal Regulator | 1.80V default output, start-up < 400 us to Normal mode | — |
| Series | SAM3U (AT91 SMART ARM-based) | — |
| Package | 144-LQFP (20x20 mm) | 100-LQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Number of Pins | 144 | — |
| Terminal Form | Gull Wing | — |
| Temperature Grade | Industrial | — |
| Life Cycle Stage | Active | ACTIVE |
| Maximum Clock Frequency | — | 96 MHz |
| Memory Protection Unit | — | Yes (MPU) |
| 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) |
| Number of ADC Channels | — | [DATA_NEEDED: Number of ADC channels] |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |