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