ATSAM3S8BA-MUR vs ATSAM3S4BA-MUR Comparison
Detailed side-by-side comparison of ATSAM3S8BA-MUR by Microchip Technology and ATSAM3S4BA-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
ATSAM3S8BA-MUR - 64MHz Cortex-M3 MCU 512KB Flash | Microchip
ATSAM3S8BA-MUR ✓ ActiveMicrochip Technology
ATSAM3S4BA-MUR - 64MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3S4BA-MUR ✓ ActiveSpecification Comparison
| Parameter | ATSAM3S8BA-MUR | ATSAM3S4BA-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.15 | $0.00 |
| Core Processor | ARM Cortex-M3 | ARM Cortex-M3 |
| Core Size | 32-Bit Single-Core | 32-bit |
| Maximum Clock Frequency | 64 MHz | 64 MHz |
| Flash Memory | 512 KB (512K x 8) | — |
| SRAM | 64 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) | — |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Grade | Industrial | Industrial |
| RoHS Status | Compliant (Green package per Mouser listing) | Compliant |
| Flash Memory Size | — | 256 KB (256K x 8) |
| SRAM Size | — | 48 KB |
| Package Type | — | 64-QFN (9x9 mm) with Exposed Pad |
| Packaging | — | Tape & Reel (-R suffix) |
| Series | — | SAM3S |
| DMA Controller | — | Yes |
| Pin Compatibility | — | Pin-to-pin compatible with SAM3N4B and SAM7S64 (per Microchip) |
| Halogen Status | — | Green package |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range in C] |
| Number of I/O | — | [DATA_NEEDED: number of GPIO] |
| Connectivity Peripherals | — | [DATA_NEEDED: UART/SPI/I2C/USB counts] |
| ADC Resolution | — | [DATA_NEEDED: ADC resolution and channels] |