ATSAM3U1CB-CU vs ATSAM3U4CA-CU Comparison
Detailed side-by-side comparison of ATSAM3U1CB-CU by Microchip Technology and ATSAM3U4CA-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
ATSAM3U1CB-CU - 96MHz Cortex-M3 MCU 64KB Flash | Microchip
ATSAM3U1CB-CU β ActiveMicrochip Technology
ATSAM3U4CA-CU - 96MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3U4CA-CU β ActiveSpecification Comparison
| Parameter | ATSAM3U1CB-CU | ATSAM3U4CA-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.95 | $0.00 |
| 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 |
| Flash Memory | 64 KB (64K x 8) | 256 KB (256K x 8), dual bank (2 x 128 KB) |
| SRAM | 20 KB | 52 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | β |
| Number of I/O | 57 | β |
| ADC Resolution | 10-bit, 12-bit | β |
| Operating Temperature | -40 C to +85 C | β |
| Package | 100-TFBGA (9x9 mm) | 100-TFBGA (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Memory Protection Unit | Yes (MPU) | β |
| Instruction Set | Thumb-2 | Thumb-2 |
| Flash Bus Width | 128-bit with memory accelerator, dual bank | β |
| Life Cycle Stage | ACTIVE | β |
| RoHS Status | Compliant (ROHS, per JLCPCB listing) | β |
| Internal Oscillators | 4, 8, 12 MHz, 32 kHz | β |
| UART | 4 | β |
| Memory Protection | β | Memory Protection Unit (MPU) |
| Flash Access Width | β | 128-bit wide access with memory accelerator |
| Supply Voltage Options | β | 1.8V / 2.5V / 3.3V |
| Series | β | SAM3U |
| Lifecycle Status | β | ACTIVE |
| Packaging | β | Tray |
| Peripheral Highlights | β | High Speed USB Device, up to 52 KB SRAM |