ATSAMD20G18A-ANT vs ATSAMD21G18A-AU 对比
详细并排对比 ATSAMD20G18A-ANT 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
ATSAMD20G18A-ANT - ARM Cortex-M0+ 48MHz 256KB Flash MCU | Microchip
ATSAMD20G18A-ANT ✓ 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 | ATSAMD20G18A-ANT | 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） | $2.55 | $2.78 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | — |
| Maximum CPU Frequency | 48 MHz | 48 MHz |
| CoreMark/MHz | 2.46 | 2.46 |
| Program Memory (Flash) | 256 KB (256K x 8) | — |
| Data Memory (SRAM) | 32 KB | — |
| Operating Voltage Range | 1.62 V to 3.63 V | 1.62 V to 3.63 V |
| 封装 | 48-pin TQFP (7 x 7 mm) | 48-pin TQFP (7x7 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度范围 | -40 C to +105 C | — |
| ADC | 12-bit, up to 1 MSPS, up to 20 channels | 14-channel, 12-bit |
| USB Interface | USB 2.0 Full-Speed Device with on-chip transceiver | — |
| SERCOM Modules | 6 (configurable as UART / SPI / I2C) | — |
| I2C Interfaces | 2 | — |
| Timers/Counters | Six 16-bit TC channels | — |
| RTC | 16-bit RTC with calendar mode | — |
| RoHS 状态 | Compliant | Compliant (Green package) |
| Lead-Free / Halogen-Free | Yes (per Mouser GREEN marking) | — |
| Core | — | ARM Cortex-M0+ (32-bit) |
| Series | — | SAM D21G (Functional Safety / FuSa) |
| Flash Memory | — | 256 KB (256K x 8) |
| SRAM | — | 32 KB |
| Programmable I/O Pins | — | Up to 52 |
| DAC | — | 10-bit |
| 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 |