ATSAM3SD8CA-AUR vs STM32F103RET6 Comparison
Detailed side-by-side comparison of ATSAM3SD8CA-AUR by Microchip Technology and STM32F103RET6 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAM3SD8CA-AUR - 64MHz Cortex-M3 512KB MCU | Microchip
ATSAM3SD8CA-AUR ✓ ActiveSTMicroelectronics
STM32F103RET6 - 72MHz Cortex-M3, 512KB Flash MCU | STMicroelectronics
STM32F103RET6 ✓ ActiveSpecification Comparison
| Parameter | ATSAM3SD8CA-AUR | STM32F103RET6 |
|---|---|---|
| Brand | Microchip Technology | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | — | In Stock |
| Unit Price (USD) | — | $2.21 |
| Core Processor | ARM Cortex-M3 | — |
| Core Size | 32-Bit | — |
| Maximum Clock Frequency | 64 MHz | 72 MHz |
| Flash Memory | 512KB (512K x 8) | 512 KB |
| Flash Banks | 2 x 256KB | — |
| SRAM | 64KB | 64 KB |
| Supply Voltage (Min) | 1.62 V | — |
| Supply Voltage | 1.8 V / 3.3 V | — |
| Package | 100-LQFP (14x14 mm) | LQFP-64 (10x10 mm) |
| Number of Pins | 100 | — |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40 C to +85 C (industrial) |
| Packaging | Tape & Reel (AUR suffix) | — |
| Series | SAM3S (SAM3SD8) | — |
| RoHS Status | Compliant (Green) | Compliant |
| Moisture Sensitivity Level | [DATA_NEEDED: MSL level] | — |
| Data Bus Width | 32 bit | — |
| Core Architecture | — | ARM Cortex-M3 32-bit RISC |
| Supply Voltage (VDD) | — | 2.0 V to 3.6 V |
| GPIO Count | — | 51 |
| ADC | — | 3 x 12-bit, up to 21 channels |
| General-Purpose Timers | — | 4 x 16-bit |
| Advanced PWM Timers | — | 2 x 16-bit (with complementary outputs) |
| Communication Interfaces | — | 2 x I2C, 3 x SPI, 2 x I2S, 5 x USART, USB 2.0 FS, CAN 2.0B, SDIO |
| DMA Channels | — | 7 |
| Debug Interface | — | JTAG + Serial Wire Debug (SWD) |