ATSAMC21G18A-AU vs ATSAMC21G18A-AUT Comparison
Detailed side-by-side comparison of ATSAMC21G18A-AU by Microchip Technology and ATSAMC21G18A-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
ATSAMC21G18A-AUT - 256KB Flash 48MHz Cortex-M0+ MCU | Microchip
ATSAMC21G18A-AUT ✓ ActiveSpecification Comparison
| Parameter | ATSAMC21G18A-AU | ATSAMC21G18A-AUT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.05 | $3.12 |
| Series | SAM C21 (Cortex-M0+) | — |
| Core | ARM Cortex-M0+ (32-bit) | — |
| Maximum CPU Frequency | 48 MHz | — |
| Program Flash | 256 KB | — |
| SRAM | 32 KB | — |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| I/O Tolerance | 5V tolerant | — |
| Operating Temperature | -40 C to +85 C (industrial, AU suffix) | -40C to +125C (automotive grade) |
| Package | 48-pin TQFP (7x7 mm, 0.5 mm pitch) | 48-TQFP (7x7 mm) |
| GPIO Count | Up to 38 | — |
| SERCOM Modules | 6 (UART/SPI/I2C/LIN configurable) | — |
| CAN-FD | Yes (1 channel) | — |
| ADC | 12-bit, up to 1 Msps, 16 channels | 12-bit |
| 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 | Qualified (Grade 1, automotive) |
| RoHS | Compliant | — |
| Core Processor | — | ARM Cortex-M0+ |
| Core Size | — | 32-Bit |
| Maximum Clock Speed | — | 48 MHz |
| Program Memory Size | — | 256 KB (256K x 8) Flash |
| EEPROM Emulation Region | — | 8 KB independent self-programmable Flash |
| RAM Size | — | 32 KB SRAM |
| I/O Voltage Tolerance | — | 5V-tolerant digital I/O |
| DAC | — | 10-bit |
| Communication Interfaces | — | SERCOM (UART/SPI/I2C), CAN-FD, I2S |
| Mounting Type | — | Surface Mount |
| MSL Level | — | 3 (168 hours) |
| RoHS Status | — | Compliant |
| Lead-Free | — | Yes |