ATSAMD21G18A-AFT vs ATSAMD21G18A-AU Comparison
Detailed side-by-side comparison of ATSAMD21G18A-AFT by Microchip Technology and ATSAMD21G18A-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
ATSAMD21G18A-AFT - 48MHz ARM Cortex-M0+ MCU, 256KB Flash, 48-TQFP
ATSAMD21G18A-AFT ✓ ActiveMicrochip Technology
ATSAMD21G18A-AU - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AU ✓ ActiveSpecification Comparison
| Parameter | ATSAMD21G18A-AFT | ATSAMD21G18A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Unit Price (USD) | — | $2.78 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Series | SAM D21G (Functional Safety / FuSa) | SAM D21G (Functional Safety / FuSa) |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| CoreMark/MHz | 2.46 | 2.46 |
| Flash Memory | 256 KB | 256 KB (256K x 8) |
| SRAM | 32 KB | 32 KB |
| Operating Voltage | 1.62 V to 3.63 V | — |
| Package | 48-TQFP (7x7 mm) | 48-pin TQFP (7x7 mm) |
| Operating Temperature | -40 °C to +125 °C | — |
| Debug Interface | Serial Wire Debug (SWD), 2-pin | Serial Wire Debug (SWD), 2-pin |
| USB | USB 2.0 Full-Speed device/host | — |
| ADC | 12-bit | 14-channel, 12-bit |
| DAC | 10-bit | 10-bit |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant (Green package) |
| Migrates With | SAM D20 (drop-in compatible peripheral set) | — |
| Operating Voltage Range | — | 1.62 V to 3.63 V |
| Programmable I/O Pins | — | Up to 52 |
| Peripheral Touch Controller (PTC) | — | Up to 256 channels (capacitive touch/proximity) |
| DMAC Channels | — | 12 |
| Event System Channels | — | 12 |
| Timer/Counters | — | Up to five 16-bit |
| Communication Peripherals (SERCOM) | — | Configurable as USART / SPI / I2C |
| Sleep Modes | — | Idle, Standby with SleepWalking |