ATSAMD20E18A-AU vs ATSAMD20G18A-AU Comparison
Detailed side-by-side comparison of ATSAMD20E18A-AU by Microchip Technology and ATSAMD20G18A-AU 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
ATSAMD20E18A-AU - ARM Cortex-M0+ MCU 256KB Flash 32-TQFP | Microchip
ATSAMD20E18A-AU ✓ ActiveMicrochip Technology
ATSAMD20G18A-AU - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD20G18A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD20E18A-AU | ATSAMD20G18A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ (32-bit) |
| Core Width | 32-bit | — |
| Maximum Clock Frequency | 48 MHz | — |
| Program Memory Size (Flash) | 256 KB (256K x 8) | — |
| RAM Size | 32 KB | — |
| Supply Voltage Range | 1.62 V to 3.63 V | — |
| Operating Temperature Range | -40 C to +85 C (industrial) | — |
| Package | 32-TQFP 7x7 mm | 48-pin TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Number of I/O Pins | 26 (max) | — |
| ADC | 12-bit, 350 ksps, up to 14 channels | 12-bit, up to 350 ksps |
| DAC | 10-bit, 350 ksps, 1 channel | 10-bit, 350 ksps |
| Communication Interfaces | SERCOM (UART/SPI/I2C) x6, USB 2.0 Full-Speed Device, I2S | — |
| Peripheral Touch Controller (PTC) | Yes (buttons, sliders, wheels) | 256-channel capacitive touch |
| MSL Level | 3 (168 hours) | 3 (168 hours) |
| RoHS Status | Compliant | Compliant |
| Lead-Free / Halogen-Free | Lead-free, Halogen-free per Microchip | — |
| Family | — | SAM D20 (Atmel SMART) |
| Maximum CPU Clock | — | 48 MHz |
| CoreMark Score | — | 2.14 CoreMark/MHz |
| Flash Program Memory | — | 256 KB (256K x 8) |
| SRAM | — | 32 KB |
| Operating Voltage (VDDIN) | — | 1.62 V to 3.63 V |
| GPIO Pins | — | 38 |
| Communication Peripherals | — | 6 SERCOM (USART/SPI/I2C), I2S, USB 2.0 FS (device) |
| Timers/Counters | — | TC (8-bit/16-bit/24-bit), RTC, WDT |
| Operating Temperature | — | -40C to +85C (industrial, -AU suffix) |
| Programming/Debug | — | SWD, SAM-BA bootloader |