ATSAM3S8BA-MUR vs ATSAM3U1CB-CU Comparison
Detailed side-by-side comparison of ATSAM3S8BA-MUR 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
ATSAM3S8BA-MUR - 64MHz Cortex-M3 MCU 512KB Flash | Microchip
ATSAM3S8BA-MUR ✓ ActiveMicrochip Technology
ATSAM3U1CB-CU - 96MHz Cortex-M3 MCU 64KB Flash | Microchip
ATSAM3U1CB-CU ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S8BA-MUR | ATSAM3U1CB-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.15 | $5.95 |
| Core Processor | ARM Cortex-M3 | ARM Cortex-M3 (revision 2.0) |
| Core Size | 32-Bit Single-Core | 32-bit |
| Maximum Clock Frequency | 64 MHz | 96 MHz |
| Flash Memory | 512 KB (512K x 8) | 64 KB (64K x 8) |
| SRAM | 64 KB | 20 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| USB | USB 2.0 Full-Speed Device, 12 Mbps, on-chip transceiver, 2668 byte FIFO, up to 8 bidirectional endpoints | — |
| USARTs | Up to 3 (ISO7816, IrDA, RS-485, SPI, Manchester, Modem modes) | — |
| UARTs | 2 | — |
| TWI (I2C-compatible) | Up to 2 | — |
| SPI | 1 | — |
| Serial Synchronous Controller | 1 (I2S) | — |
| High Speed Multimedia Card Interface | 1 (SDIO/SD Card/MMC) | — |
| Timers | 6 x Three-Channel 16-bit Timer/Counter | — |
| Connectivity | I2C, IrDA, Memory Card, SPI, SSC, UART/USART, USB | — |
| Package | 64-QFN (9x9 mm) | 100-TFBGA (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Industrial | — |
| RoHS Status | Compliant (Green package per Mouser listing) | Compliant (ROHS, per JLCPCB listing) |
| Number of I/O | — | 57 |
| ADC Resolution | — | 10-bit, 12-bit |
| Operating Temperature | — | -40 C to +85 C |
| Memory Protection Unit | — | Yes (MPU) |
| Instruction Set | — | Thumb-2 |
| Flash Bus Width | — | 128-bit with memory accelerator, dual bank |
| Life Cycle Stage | — | ACTIVE |
| Internal Oscillators | — | 4, 8, 12 MHz, 32 kHz |
| UART | — | 4 |