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