ATSAMD21G18A-MU vs ATSAMR21G18A-MUT Comparison
Detailed side-by-side comparison of ATSAMD21G18A-MU by Microchip Technology and ATSAMR21G18A-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-MU - 256KB Flash Cortex-M0+ MCU, 48MHz | Microchip
ATSAMD21G18A-MU ✓ ActiveMicrochip Technology
ATSAMR21G18A-MUT - 2.4GHz 802.15.4 SoC MCU | Microchip
ATSAMR21G18A-MUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G18A-MU | ATSAMR21G18A-MUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | RF Transceivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.15 | $4.46 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | — |
| Family | SAM D21 (FuSa / IEC 60730 Class B) | — |
| Max CPU Frequency | 48 MHz | — |
| Flash Memory | 256 KB | 256 KB |
| SRAM | 32 KB | 32 KB |
| Supply Voltage | 1.62 V to 3.6 V | 2.5 V to 3.3 V |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +85 C |
| Package | 48-pin QFN (7x7 mm) | 48-pin VFQFN Exposed Pad (6x6 mm) |
| USB | USB 2.0 Full-Speed Device with on-chip transceiver | — |
| ADC | 12-bit, up to 350 ksps, up to 20 channels | — |
| DAC | 10-bit, 350 ksps | — |
| SERCOM Modules | 6 (each configurable as USART / I2C / SPI / LIN) | — |
| Timers/Counters | TC (8-bit / 16-bit), TCC (16-bit PWM) | — |
| RTC | 32-bit RTC with calendar | — |
| GPIOs | 38 | — |
| DMA Channels | 12 | — |
| Event System Channels | 12 | — |
| Touch Peripheral | PTC (Peripheral Touch Controller) | — |
| RoHS Status | Compliant (Green) | Compliant |
| Product Type | — | Wireless MCU + 2.4 GHz Transceiver (SoC) |
| Core | — | ARM Cortex-M0+ 32-bit |
| Maximum CPU Frequency | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| RF Standard | — | IEEE 802.15.4 / ZigBee / Proprietary 2.4 GHz |
| RF Frequency Band | — | 2.400 GHz to 2.4835 GHz |
| RF Link Budget | — | 103 dBm |
| Air Data Rate | — | 250 kbps to 2 Mbps (chip-rate dependent) |
| Modulation | — | O-QPSK / DSSS (IEEE 802.15.4) |
| AES Engine | — | 128-bit hardware |
| MAC Symbol Counter | — | 32-bit hardware |
| Mounting Type | — | Surface Mount (Tape & Reel) |
| MSL Level | — | 3 (168 hours) |