ATSAMD21E16B-UUT vs ATSAMD20G17A-UUT Comparison
Detailed side-by-side comparison of ATSAMD21E16B-UUT by Microchip Technology and ATSAMD20G17A-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
ATSAMD21E16B-UUT - 32-bit ARM Cortex-M0+ MCU, 64KB Flash, 35-WLCSP | Microchip
ATSAMD21E16B-UUT ✓ ActiveMicrochip Technology
ATSAMD20G17A-UUT - 128KB Flash Cortex-M0+ MCU, 45-WLCSP
ATSAMD20G17A-UUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21E16B-UUT | ATSAMD20G17A-UUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.32 | $2.51 |
| Core Processor | ARM Cortex-M0+ | — |
| Core Size | 32-bit single-core | — |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| CoreMark per MHz | 2.46 CoreMark/MHz | — |
| Program Memory (Flash) | 64 KB (64K x 8) | — |
| SRAM | 8 KB | 16 KB |
| Operating Voltage Range | 1.62 V to 3.63 V | — |
| Typical Operating Voltage | 3.3 V | — |
| Package | 35-WLCSP (2.82 x 2.53 mm) | 45-ball WLCSP (Wafer Level Chip Scale Package) |
| Connectivity | I2C, LINbus, SPI, UART/USART, USB 2.0 Full-Speed | — |
| USB | Full-Speed Device/Host/Embedded, integrated PHY | — |
| ADC | 12-bit, up to 14 channels, 350 ksps | 12-bit, up to 16 channels |
| DAC | 10-bit, 1 channel, 350 ksps | 10-bit |
| SERCOM Channels | 6 (each reconfigurable as I2C/SPI/UART) | — |
| Timer/Counters | Six 16-bit TC channels, three 24-bit TCC | Multiple 16-bit TCC |
| RTC | 32-bit RTC with backup domain | — |
| Operating Temperature | -40C to +85C (industrial) | — |
| Mounting Type | Surface Mount (WLCSP, BGA-style balls) | — |
| RoHS Status | Compliant (Green) | Compliant (Green / Pb-free) |
| MSL Level | [DATA_NEEDED: MSL level] | — |
| Core Architecture | — | ARM Cortex-M0+ (32-bit) |
| Family | — | SAM D20 |
| Series | — | SAM D20G (G = 128KB Flash variant) |
| Coremark/MHz | — | 2.14 |
| Flash Memory | — | 128 KB |
| Supply Voltage Range | — | 1.62 V to 3.6 V |
| Operating Temperature Range | — | -40C to +85C (industrial) |
| SERCOM Modules | — | Up to 6 (configurable as UART/SPI/I2C) |
| Debug Interface | — | SWD (Serial Wire Debug) |