ATSAMD21G17A-AU vs ATSAMD21G18A-AU 对比
详细并排对比 ATSAMD21G17A-AU 出自 Microchip Technology 和 ATSAMD21G18A-AU 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
ATSAMD21G17A-AU - 48MHz Cortex-M0+ MCU, 128KB Flash | Microchip
ATSAMD21G17A-AU ✓ 量产中Microchip Technology
ATSAMD21G18A-AU - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AU ✓ 量产中规格对比
| 参数 | ATSAMD21G17A-AU | ATSAMD21G18A-AU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $2.74 | $2.78 |
| Series | SAM D21G, Functional Safety (FuSa) | SAM D21G (Functional Safety / FuSa) |
| Core Processor | ARM Cortex-M0+ | — |
| Core Size | 32-Bit | — |
| Core Speed | 48 MHz | — |
| Performance | 2.46 CoreMark/MHz | — |
| Flash Size | 128 KB (128K x 8) | — |
| SRAM Size | 16 KB | — |
| RWW Flash | 4 KB (separate, simultaneous code+data access) | — |
| Supply Voltage (Vcc/Vdd) | 1.62 V to 3.6 V | — |
| Number of I/O | Up to 38 GPIO | — |
| ADC | 12-bit, up to 350 ksps, up to 14 channels | 14-channel, 12-bit |
| DAC | 10-bit, up to 350 ksps | 10-bit |
| Analog Comparators | 2 | — |
| Serial Interfaces | 6x SERCOM (configurable UART/SPI/I2C) | — |
| USB | USB 2.0 Full-Speed Device, integrated transceiver | — |
| Connectivity | I2C, SPI, UART, USB | — |
| Peripherals | Brown-out Detect/Reset, DMA, Event System, I2S, POR, PWM, WDT | — |
| 封装 | 48-TQFP (7x7 mm) | 48-pin TQFP (7x7 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (industrial) | — |
| MSL 等级 | 3 (168 hours) | — |
| RoHS 状态 | Compliant | Compliant (Green package) |
| Core | — | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| Flash Memory | — | 256 KB (256K x 8) |
| SRAM | — | 32 KB |
| 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 |
| Debug Interface | — | Serial Wire Debug (SWD), 2-pin |
| Sleep Modes | — | Idle, Standby with SleepWalking |