ATSAMD21G17A-MU vs ATSAMD21G18A-UUT Comparison
Detailed side-by-side comparison of ATSAMD21G17A-MU by Microchip Technology and ATSAMD21G18A-UUT 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
ATSAMD21G17A-MU - 48MHz Cortex-M0+ MCU, 128KB Flash | Microchip
ATSAMD21G17A-MU ✓ ActiveMicrochip Technology
ATSAMD21G18A-UUT - 48MHz Cortex-M0+ MCU, 256KB Flash, 45-WLCSP
ATSAMD21G18A-UUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G17A-MU | ATSAMD21G18A-UUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.89 | $3.48 |
| Core Architecture | ARM Cortex-M0+ | — |
| Core Bit Width | 32-bit | — |
| Maximum Clock Frequency | 48 MHz | — |
| Program Memory (Flash) | 128 KB | — |
| SRAM | 16 KB | 32 KB |
| RWW Flash Section | 4 KB (per series feature) | — |
| Supply Voltage (VDD) | 1.62 V to 3.6 V | 1.6 V to 3.6 V |
| GPIO Count | 38 | [DATA_NEEDED: GPIO count] |
| ADC | 12-bit, 12 channels, up to 350 ksps | 12-bit, up to 20 channels |
| DAC | 10-bit, 1 channel, up to 350 ksps | 10-bit, 1 channel |
| Analog Comparators | 2 | — |
| USB | USB 2.0 Full-Speed device/host with on-chip transceiver | USB 2.0 Full-Speed Device/Host |
| SERCOM Modules | 6 (each configurable as I2C/SPI/USART) | 6 (each configurable as UART/SPI/I2C) |
| Timers/Counters | TC modules + TCC (per family) | — |
| Operating Temperature Range | -40C to +85C (industrial) | — |
| Package | 48-QFN (7x7 mm) | 45-ball WLCSP |
| Mounting Type | Surface Mount | — |
| RoHS / REACH | RoHS compliant; REACH status to be verified | — |
| MSL | [DATA_NEEDED: MSL level] | — |
| Core | — | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| Flash Memory | — | 256 KB |
| Operating Temperature | — | -40 C to +85 C |
| RTC | — | 32-bit, with calendar mode |
| Timers (TC) | — | 5 x 16-bit Timer/Counter |
| Event System Channels | — | 12 |
| MSL Level | — | [DATA_NEEDED: MSL] |
| RoHS Status | — | Compliant (Green) |
| Lead-Free | — | Yes |