STM32F401CEU6 vs ATSAMD21G18A-AU Comparison
Detailed side-by-side comparison of STM32F401CEU6 by STMicroelectronics and ATSAMD21G18A-AU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STM32F401CEU6 - 256KB Flash ARM Cortex-M4 MCU | STMicroelectronics
STM32F401CEU6 β ActiveMicrochip Technology
ATSAMD21G18A-AU - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AU β ActiveSpecification Comparison
| Parameter | STM32F401CEU6 | ATSAMD21G18A-AU |
|---|---|---|
| Brand | STMicroelectronics | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.88 | $2.23 |
| Core | ARM Cortex-M4 with FPU | β |
| Maximum Clock Frequency | 84 MHz | 48 MHz |
| Flash Memory | 256 KB | 256 KB (256K x 8) |
| SRAM | 64 KB | 32 KB |
| Supply Voltage | 1.7 V to 3.6 V | β |
| Package | UFQFPN-48 (7x7 mm) | 48-TQFP (7x7 mm) |
| Operating Temperature | -40C to +85C | [DATA_NEEDED: operating temperature range] |
| Number of I/O Pins | 36 | β |
| ADC Resolution | 12-bit | 12-bit |
| ADC Channels | 16 | β |
| USARTs | 3 | β |
| I2Cs | 4 | β |
| SPIs | 3 | β |
| USB | USB 2.0 OTG FS | β |
| CAN | 1 | β |
| Timers | 11 (including advanced-control) | β |
| DMA Channels | 16 | 12 |
| RTC | Yes | β |
| Random Number Generator | Yes | β |
| RoHS Status | Compliant | Compliant (green package) |
| Core Processor | β | ARM Cortex-M0+ |
| Core Size | β | 32-Bit |
| Supply Voltage Range | β | 1.62 V to 3.63 V |
| Performance | β | 2.46 CoreMark/MHz |
| Event System Channels | β | 12 |
| Timer/Counters | β | Up to 5 x 16-bit TC |
| Serial Interfaces | β | SERCOM (USART, SPI, I2C) |
| DAC | β | Yes |
| Capacitive Touch | β | Buttons, sliders, wheels supported |
| Debug Interface | β | 2-pin Serial Wire Debug (SWD) |
| Mounting Type | β | Surface Mount |
| Series | β | SAM D21G, Functional Safety (FuSa) |