ATSAMD21G18A-MUT vs ATSAMD21G16B-MUT Comparison
Detailed side-by-side comparison of ATSAMD21G18A-MUT by Microchip Technology and ATSAMD21G16B-MUT 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
ATSAMD21G18A-MUT - ARM Cortex-M0+ 48MHz 256KB Flash MCU
ATSAMD21G18A-MUT ✓ ActiveMicrochip Technology
ATSAMD21G16B-MUT - 48MHz Cortex-M0+ MCU 64KB | 48-QFN | Microchip
ATSAMD21G16B-MUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G18A-MUT | ATSAMD21G16B-MUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.37 | $2.05 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| Performance | 2.46 CoreMark/MHz | — |
| Flash Memory | 256 KB | — |
| SRAM | 32 KB | 8 KB |
| Supply Voltage (VDDIN) | 1.62 V to 3.63 V | 1.62 V to 3.63 V |
| GPIO Count | Up to 38 | — |
| USB | USB 2.0 Full-Speed, on-chip transceiver | Full-Speed USB 2.0 Device with embedded PHY |
| ADC | 12-bit, up to 350 ksps | 12-bit, up to 350 ksps |
| DAC | 10-bit, 350 ksps | 10-bit |
| SERCOM (configurable) | Up to 6 (UART/SPI/I2C) | — |
| I2C | 2 | — |
| CAN | 1 (CAN 2.0B) | — |
| Timer/Counters | Up to 5 x 16-bit | — |
| DMA Channels | 12 | — |
| Package | 48-pin QFN (7x7 mm) | 48-pin QFN (7x7 mm) with exposed pad |
| Operating Temperature | -40 °C to +85 °C (industrial) | -40C to +85C (industrial) |
| Debug Interface | Serial Wire Debug (SWD) | Serial Wire Debug (SWD), Micro Trace Buffer |
| RoHS Status | Compliant | Compliant |
| Mounting Type | Surface Mount | Surface Mount |
| Family | — | SAM D21G |
| Silicon Revision | — | B (second-generation) |
| CoreMark Score | — | 2.46 CoreMark/MHz |
| Program Flash | — | 64 KB (64K x 8) |
| I/O Pins | — | 38 GPIO |
| Communication | — | Up to 6 SERCOM (UART/SPI/I2C) |