ATSAMD21G18A-AF vs ATSAMD21J18A-CU 对比
详细并排对比 ATSAMD21G18A-AF 出自 Microchip Technology 和 ATSAMD21J18A-CU 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
ATSAMD21G18A-AF - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AF ✓ 量产中Microchip Technology
ATSAMD21J18A-CU - 256KB Flash 48MHz Cortex-M0+ MCU | Microchip
ATSAMD21J18A-CU ✓ 量产中规格对比
| 参数 | ATSAMD21G18A-AF | ATSAMD21J18A-CU |
|---|---|---|
| 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） | $3.49 | $2.52 |
| Core | ARM Cortex-M0+ (SAM D21) | ARM Cortex-M0+ (32-bit) |
| Core Architecture | 32-bit RISC, Thumb/Thumb-2 instruction set | — |
| Maximum CPU Clock | 48 MHz | — |
| Flash Memory | 256 KB | 256 KB |
| SRAM | 32 KB | 32 KB |
| Supply Voltage (VDD) | 1.62 V to 3.63 V | — |
| 封装 | 48-pin TQFP (7x7 mm) | 64-ball UFBGA (CU), 5x5 mm |
| 安装类型 | Surface Mount | Surface Mount (BGA) |
| ADC | 12-bit, up to 350 ksps | 12-bit, up to 1 MSPS, up to 12 analog inputs |
| DAC | 10-bit, 350 ksps | 10-bit, 1 channel |
| USB | Full-speed USB 2.0 device with on-the-go (OTG) | USB 2.0 Full-Speed Device with on-chip PHY |
| SERCOM Channels | Up to 6 (configurable as I2C/SPI/UART) | 6 (configurable as UART/SPI/I2C) |
| Timers | Up to 5 x 16-bit Timer/Counters (TC) | — |
| DMA Channels | 12-channel DMAC | — |
| Event System | 12-channel inter-peripheral | — |
| Debug Interface | Two-pin Serial Wire Debug (SWD) | — |
| 工作温度 | -40C to +85C | -40C to +85C (Industrial / GREEN) |
| RoHS 状态 | Compliant | Compliant (GREEN) |
| Maximum CPU Frequency | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| Operating Voltage | — | 1.62 V to 3.6 V |
| Timers/Counters | — | Up to 8 TC channels (24-bit), 3 TCC channels (16-bit) |
| I/O Pins | — | Up to 52 GPIO (depending on package) |
| On-chip Oscillator | — | 48 MHz DFLL48M with PLL |
| MSL 等级 | — | 3 (per JEDEC J-STD-020) |