ATSAMD21E16L-AF vs STM32G031G8U6 Comparison
Detailed side-by-side comparison of ATSAMD21E16L-AF by Microchip Technology and STM32G031G8U6 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAMD21E16L-AF - ARM Cortex-M0+ 48MHz 64KB MCU | Microchip
ATSAMD21E16L-AF ✓ ActiveSTMicroelectronics
STM32G031G8U6 - 64KB Flash ARM Cortex-M0+ MCU | STMicroelectronics
STM32G031G8U6 ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21E16L-AF | STM32G031G8U6 |
|---|---|---|
| Brand | Microchip Technology | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.85 | $1.38 |
| Product Type | 32-bit ARM Microcontroller (MCU) | — |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Family | SAM D21E (Enhanced with FuSa) | — |
| Maximum CPU Frequency | 48 MHz | — |
| Program Memory (Flash) | 64 KB | — |
| Data Memory (SRAM) | 8 KB | — |
| Package | 32-pin TQFP (7x7 mm) | UFQFPN-28 (4x4 mm) |
| Operating Voltage Range | 1.62 V to 3.63 V | — |
| Operating Temperature Range | -40 C to +125 C (industrial/automotive grade) | — |
| ADC | 12-bit, up to 10 channels, 350 ksps | — |
| DAC | 10-bit, 1 channel | — |
| Timer/Counters | Four 16-bit TC, one 32-bit TC, one RTC | — |
| Communication Interfaces | Up to 6 SERCOM (UART/SPI/I2C), USB 2.0 Full-Speed Device/Host, I2S | I2C, SPI, USART |
| DMA Channels | 12 channels | — |
| Event System Channels | 12 channels | — |
| Mounting Type | Surface Mount | — |
| MSL Level | 3 (168 hours) | — |
| RoHS Status | Compliant | Compliant |
| Core Frequency | — | 64 MHz |
| Flash Memory | — | 64 KB |
| SRAM | — | 8 KB |
| Supply Voltage | — | 1.7V to 3.6V |
| ADC Resolution | — | 12-bit |
| ADC Sampling Rate | — | 2.5 MSPS |
| DAC Resolution | — | 12-bit |
| Operational Amplifier | — | 1 |
| Low-Power RTC | — | Yes |
| Standby Current | — | 0.4 uA |
| Operating Temperature | — | -40C to +85C |
| Process Technology | — | 90nm |
| Timers | — | Multiple (including advanced-control) |
| Memory Protection Unit | — | Yes |
| Hardware Multiplier | — | Single-cycle |