ATSAMC21G17A-AUT vs ATSAMC21G18A-AU Comparison
Detailed side-by-side comparison of ATSAMC21G17A-AUT by Microchip Technology and ATSAMC21G18A-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
ATSAMC21G17A-AUT - 48MHz ARM Cortex-M0+ MCU, 128KB Flash | Microchip
ATSAMC21G17A-AUT ✓ ActiveMicrochip Technology
ATSAMC21G18A-AU - 48MHz Cortex-M0+ MCU, 256KB Flash, 5V | Microchip
ATSAMC21G18A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAMC21G17A-AUT | ATSAMC21G18A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.78 | $3.05 |
| Core Architecture | ARM Cortex-M0+ | — |
| Core Bit Width | 32-bit | — |
| Maximum CPU Clock | 48 MHz | — |
| Flash Memory | 128 KB (128K x 8) | — |
| SRAM | 16 KB | 32 KB |
| EEPROM Emulation Flash | 4 KB (independent self-programmable) | — |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C (industrial, AU suffix) |
| AEC-Q100 Qualification | Grade 1 (-40 C to +125 C variant family) | — |
| Package | 48-pin TQFP (7x7 mm) | 48-pin TQFP (7x7 mm, 0.5 mm pitch) |
| I/O Pins (max) | Up to 84 programmable I/O pins (family) | — |
| CAN-FD | Yes (ISO 11898-1:2015) | Yes (1 channel) |
| SERCOM Modules | Up to 6 (UART/SPI/I2C configurable) | 6 (UART/SPI/I2C/LIN configurable) |
| ADC | 12-bit, up to 16 channels | 12-bit, up to 1 Msps, 16 channels |
| DAC | 10-bit | — |
| Peripheral Touch Controller (PTC) | Yes (capacitive touch) | Yes (mutual/self-cap) |
| Hardware Multiplier | Single-cycle | — |
| Memory Protection Unit (MPU) | Yes | — |
| Micro Trace Buffer | Yes | — |
| RoHS Status | Compliant | — |
| Series | — | SAM C21 (Cortex-M0+) |
| Core | — | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | — | 48 MHz |
| Program Flash | — | 256 KB |
| I/O Tolerance | — | 5V tolerant |
| GPIO Count | — | Up to 38 |
| Timers/Counters (TC) | — | 16-bit, multiple channels |
| RTC | — | 32-bit RTC with calendar |
| DMA | — | 12 channels (DMAC) |
| AEC-Q100 | — | Grade 1 qualified |
| RoHS | — | Compliant |