ATSAM3U1CB-CU vs ATSAM4S2CB-CN Comparison
Detailed side-by-side comparison of ATSAM3U1CB-CU by Microchip Technology and ATSAM4S2CB-CN 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 ✓ ActiveMicrochip Technology
ATSAM4S2CB-CN - 120MHz Cortex-M4 MCU 128KB Flash | Microchip (Tape & Reel)
ATSAM4S2CB-CN ✓ ActiveSpecification Comparison
| Parameter | ATSAM3U1CB-CU | ATSAM4S2CB-CN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | ARM Cortex-M3 (revision 2.0) | ARM Cortex-M4 |
| Core Size | 32-bit | 32-Bit Single-Core |
| Maximum Clock Frequency | 96 MHz | 120 MHz |
| Flash Memory | 64 KB (64K x 8) | 128 KB (128K x 8) |
| SRAM | 20 KB | 64 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | — |
| Number of I/O | 57 | [DATA_NEEDED: GPIO count] |
| ADC Resolution | 10-bit, 12-bit | — |
| Operating Temperature | -40 C to +85 C | -40C to +105C (extended temp, CNR suffix) |
| Package | 100-TFBGA (9x9 mm) | 100-TFBGA (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Memory Protection Unit | Yes (MPU) | — |
| Instruction Set | Thumb-2 | — |
| Flash Bus Width | 128-bit with memory accelerator, dual bank | — |
| Life Cycle Stage | ACTIVE | — |
| RoHS Status | Compliant (ROHS, per JLCPCB listing) | — |
| Internal Oscillators | 4, 8, 12 MHz, 32 kHz | — |
| UART | 4 | — |
| Supply Voltage | — | [DATA_NEEDED: supply voltage range] |
| Peripherals | — | [DATA_NEEDED: peripheral list] |
| Communication Interfaces | — | [DATA_NEEDED: interface detail (UART/SPI/I2C/USB/USART)] |
| Packaging | — | Tape & Reel (MRL B) |
| Green / RoHS Status | — | GREEN, RoHS compliant per LCSC listing |
| Series | — | SAM4S |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |
| FPU / DSP Instructions | — | Cortex-M4 hardware FPU and DSP extension |