ATSAMD20G18A-AU vs ATSAMD20G16A-AU 对比
详细并排对比 ATSAMD20G18A-AU 出自 Microchip Technology 和 ATSAMD20G16A-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
ATSAMD20G18A-AU - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD20G18A-AU ✓ 量产中Microchip Technology
ATSAMD20G16A-AU - 48MHz ARM Cortex-M0+ MCU 64KB Flash | Microchip
ATSAMD20G16A-AU ✓ 量产中规格对比
| 参数 | ATSAMD20G18A-AU | ATSAMD20G16A-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） | $2.84 | $2.78 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Family | SAM D20 (Atmel SMART) | — |
| Maximum CPU Clock | 48 MHz | 48 MHz |
| CoreMark Score | 2.14 CoreMark/MHz | — |
| Flash Program Memory | 256 KB (256K x 8) | — |
| SRAM | 32 KB | 8 KB |
| Operating Voltage (VDDIN) | 1.62 V to 3.63 V | — |
| GPIO Pins | 38 | — |
| ADC | 12-bit, up to 350 ksps | 12-bit, up to 1 MSPS |
| DAC | 10-bit, 350 ksps | — |
| Peripheral Touch Controller (PTC) | 256-channel capacitive touch | Yes |
| Communication Peripherals | 6 SERCOM (USART/SPI/I2C), I2S, USB 2.0 FS (device) | — |
| Timers/Counters | TC (8-bit/16-bit/24-bit), RTC, WDT | — |
| 工作温度 | -40C to +85C (industrial, -AU suffix) | — |
| 封装 | 48-pin TQFP (7x7 mm) | 48-pin TQFP, 7x7 mm |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 3 (168 hours) | — |
| RoHS 状态 | Compliant | Compliant |
| Programming/Debug | SWD, SAM-BA bootloader | — |
| CoreMark/MHz | — | 2.14 |
| Program Memory (Flash) | — | 64 KB |
| Supply Voltage Range | — | 1.62 V to 3.63 V |
| SERCOM Modules | — | 6 (each configurable as UART/SPI/I2C) |
| 16-bit Timers/Counters | — | 2 (TC) + 1 (TCC) |
| Real-Time Clock | — | Yes (RTC with 32.768 kHz support) |
| 工作温度范围 | — | -40 C to +85 C |
| I/O Pins | — | [DATA_NEEDED: I/O count from datasheet pinout] |