ATSAMC21G18A-AU vs ATSAMC21G16A-AUT Comparison
Detailed side-by-side comparison of ATSAMC21G18A-AU by Microchip Technology and ATSAMC21G16A-AUT 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
ATSAMC21G18A-AU - 48MHz Cortex-M0+ MCU, 256KB Flash, 5V | Microchip
ATSAMC21G18A-AU ✓ ActiveMicrochip Technology
ATSAMC21G16A-AUT - 48MHz Cortex-M0+ MCU, 64KB Flash, 48-TQFP | Microchip
ATSAMC21G16A-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMC21G18A-AU | ATSAMC21G16A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.05 | $2.35 |
| Series | SAM C21 (Cortex-M0+) | — |
| Core | ARM Cortex-M0+ (32-bit) | — |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| Program Flash | 256 KB | — |
| SRAM | 32 KB | 8 KB |
| Supply Voltage | 2.7 V to 5.5 V | — |
| I/O Tolerance | 5V tolerant | — |
| Operating Temperature | -40 C to +85 C (industrial, AU suffix) | — |
| Package | 48-pin TQFP (7x7 mm, 0.5 mm pitch) | 48-TQFP (7x7 mm, 0.5 mm pitch) |
| GPIO Count | Up to 38 | — |
| SERCOM Modules | 6 (UART/SPI/I2C/LIN configurable) | 6 (configurable as USART/I2C/SPI) |
| CAN-FD | Yes (1 channel) | — |
| ADC | 12-bit, up to 1 Msps, 16 channels | — |
| Timers/Counters (TC) | 16-bit, multiple channels | — |
| RTC | 32-bit RTC with calendar | — |
| Peripheral Touch Controller (PTC) | Yes (mutual/self-cap) | — |
| DMA | 12 channels (DMAC) | — |
| AEC-Q100 | Grade 1 qualified | — |
| RoHS | Compliant | — |
| Core Architecture | — | ARM Cortex-M0+ (32-bit, single-core with optional lockstep for FuSa) |
| Family | — | SAM C21 Functional Safety (FuSa) |
| Program Flash Memory | — | 64 KB (64K x 8) |
| Supply Voltage (VDD) | — | 2.7 V to 5.5 V |
| Supply Voltage (VDDIO) | — | 1.62 V to 5.5 V |
| Operating Temperature Grade | — | -40C to +85C (Grade 1) |
| Mounting Type | — | Surface Mount, Tape & Reel (-AUT suffix) |
| CAN-FD Controller | — | 1 (ISO 11898-1:2015 compliant) |
| USB Interface | — | USB 2.0 Full-Speed Device/Host |
| ADC Resolution | — | 12-bit, up to 16 channels |
| DAC Resolution | — | 10-bit, 1 channel |
| Timer/Counters | — | TC x6, TCC x3 (16-bit PWM) |
| Operating Temperature Range | — | -40C to +125C (extended industrial) |
| AEC-Q100 Qualification | — | Yes (Automotive Grade 1) |
| RoHS Status | — | Compliant |