ATSAMC21G18A-AU vs ATSAMC21N18A-AN Comparison
Detailed side-by-side comparison of ATSAMC21G18A-AU by Microchip Technology and ATSAMC21N18A-AN 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
ATSAMC21N18A-AN - 48MHz Cortex-M0+ 256KB Flash MCU | Microchip
ATSAMC21N18A-AN ✓ ActiveSpecification Comparison
| Parameter | ATSAMC21G18A-AU | ATSAMC21N18A-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.05 | $3.69 |
| Series | SAM C21 (Cortex-M0+) | — |
| Core | ARM Cortex-M0+ (32-bit) | — |
| Maximum CPU Frequency | 48 MHz | — |
| Program Flash | 256 KB | — |
| SRAM | 32 KB | 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) | -40 °C to +105 °C |
| Package | 48-pin TQFP (7x7 mm, 0.5 mm pitch) | 100-pin TQFP (14x14 mm) |
| GPIO Count | Up to 38 | Up to 84 |
| SERCOM Modules | 6 (UART/SPI/I2C/LIN configurable) | — |
| CAN-FD | Yes (1 channel) | — |
| ADC | 12-bit, up to 1 Msps, 16 channels | 12-bit, up to 1 Msps, up to 16 channels |
| Timers/Counters (TC) | 16-bit, multiple channels | — |
| RTC | 32-bit RTC with calendar | — |
| Peripheral Touch Controller (PTC) | Yes (mutual/self-cap) | Yes (capacitive touch) |
| DMA | 12 channels (DMAC) | — |
| AEC-Q100 | Grade 1 qualified | — |
| RoHS | Compliant | — |
| Core Architecture | — | ARM Cortex-M0+ (Armv6-M) |
| Maximum CPU Clock | — | 48 MHz |
| Flash Memory | — | 256 KB |
| EEPROM Emulation Flash | — | 8 KB (independent bank) |
| SERCOM Channels | — | 6 (UART/SPI/I²C configurable) |
| CAN-FD Controller | — | 1 |
| DAC | — | 12-bit, 1 channel |
| Timers | — | Two 16-bit, one 24-bit |
| USB | — | Full-speed USB 2.0 with embedded PHY |
| Functional Safety (FuSa) | — | Yes |
| Mounting Type | — | Surface Mount |