ATSAMD21J16B-AF vs ATSAMD21G18A-AF 对比
详细并排对比 ATSAMD21J16B-AF 出自 Microchip Technology 和 ATSAMD21G18A-AF 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
ATSAMD21J16B-AF - 48MHz Cortex-M0+ MCU, 64KB Flash | Microchip
ATSAMD21J16B-AF ✓ 量产中Microchip Technology
ATSAMD21G18A-AF - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AF ✓ 量产中规格对比
| 参数 | ATSAMD21J16B-AF | ATSAMD21G18A-AF |
|---|---|---|
| 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） | $2.52 | $3.49 |
| Core | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (SAM D21) |
| Maximum CPU Frequency | 48 MHz | — |
| CoreMark/MHz | 2.46 | — |
| Flash Memory | 64 KB | 256 KB |
| SRAM | 8 KB | 32 KB |
| Supply Voltage (VDDIO) | 1.62 V to 3.63 V (3.3 V typical) | — |
| 工作温度 | -40C to +125C (industrial) | -40C to +85C |
| 封装 | 64-pin TQFP (10x10 mm) | 48-pin TQFP (7x7 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| ADC | 12-bit, up to 20 channels, 350 ksps | 12-bit, up to 350 ksps |
| DAC | 10-bit, 350 ksps | 10-bit, 350 ksps |
| Analog Comparators | 2 | — |
| SERCOM Modules | 6 (configurable UART/SPI/I2C) | — |
| USB | USB 2.0 Full-Speed Device/Host | Full-speed USB 2.0 device with on-the-go (OTG) |
| DMA Channels | 12 | 12-channel DMAC |
| Event System Channels | 12 | — |
| Debug Interface | 2-pin Serial Wire Debug (SWD) | Two-pin Serial Wire Debug (SWD) |
| RoHS 状态 | Compliant | Compliant |
| Core Architecture | — | 32-bit RISC, Thumb/Thumb-2 instruction set |
| Maximum CPU Clock | — | 48 MHz |
| Supply Voltage (VDD) | — | 1.62 V to 3.63 V |
| SERCOM Channels | — | Up to 6 (configurable as I2C/SPI/UART) |
| Timers | — | Up to 5 x 16-bit Timer/Counters (TC) |
| Event System | — | 12-channel inter-peripheral |