ATSAM3U1CA-CU vs ATSAM3U1CB-CU Comparison
Detailed side-by-side comparison of ATSAM3U1CA-CU by Microchip Technology and ATSAM3U1CB-CU 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-CU - 96MHz Cortex-M3 MCU 64KB Flash | Microchip
ATSAM3U1CA-CU ✓ ActiveMicrochip Technology
ATSAM3U1CB-CU - 96MHz Cortex-M3 MCU 64KB Flash | Microchip
ATSAM3U1CB-CU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3U1CA-CU | ATSAM3U1CB-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| 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 |
| Program Memory Size | 64 KB (64K x 8) | — |
| Program Memory Type | FLASH | — |
| RAM Size | 20 KB (20K x 8) | — |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| USB | High-speed USB device with integrated transceiver | — |
| Memory Protection Unit | Yes (MPU) | Yes (MPU) |
| Instruction Set | Thumb-2 | Thumb-2 |
| Series | SAM3U | — |
| Package | 100-TFBGA (9 x 9 mm) | 100-TFBGA (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Number of Pins / Balls | 100 | — |
| EMI Performance | Robust EMI tolerance (per Atmel/Microchip product description) | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40 C to +85 C |
| RoHS Status | Compliant (per distributor listings) | Compliant (ROHS, per JLCPCB listing) |
| Flash Memory | — | 64 KB (64K x 8) |
| SRAM | — | 20 KB |
| Number of I/O | — | 57 |
| ADC Resolution | — | 10-bit, 12-bit |
| Flash Bus Width | — | 128-bit with memory accelerator, dual bank |
| Life Cycle Stage | — | ACTIVE |
| Internal Oscillators | — | 4, 8, 12 MHz, 32 kHz |
| UART | — | 4 |