ATSAMD20J18A-AU vs ATSAMD20J14B-AU 对比
详细并排对比 ATSAMD20J18A-AU 出自 Microchip Technology 和 ATSAMD20J14B-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
ATSAMD20J18A-AU - ARM Cortex-M0+ MCU, 256KB Flash | Microchip
ATSAMD20J18A-AU ✓ 量产中Microchip Technology
ATSAMD20J14B-AU - 48MHz ARM Cortex-M0+ MCU, 16KB Flash | Microchip
ATSAMD20J14B-AU ✓ 量产中规格对比
| 参数 | ATSAMD20J18A-AU | ATSAMD20J14B-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） | $2.15 | $1.96 |
| Core | ARM Cortex-M0+ (ARMv6-M, 32-bit) | — |
| 最大时钟频率 | 48 MHz | — |
| Flash Memory | 256 KB | — |
| SRAM | 32 KB | — |
| Operating Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.63 V |
| 封装 | 64-LQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| Programmable I/O Pins | Up to 52 | — |
| ADC | 12-bit, up to 200 ksps | 12-bit, 12 channels, 350 ksps |
| DAC | 10-bit | 10-bit, 1 channel, 350 ksps |
| SERCOM Interfaces | Up to 8 (UART/SPI/I2C/LIN configurable) | — |
| USB | Full-Speed USB 2.0 Device | USB 2.0 Full-Speed Device with on-chip transceiver |
| Timer/Counters | Six 16-bit TC, one 24-bit TC, one 32-bit RTC | — |
| DMA Channels | 2 (with 12 channels) | 12 |
| 工作温度范围 | -40 C to +85 C | — |
| 安装类型 | Surface Mount (LQFP) | Surface Mount (TQFP, gull-wing) |
| MSL 等级 | 3 | — |
| RoHS 状态 | Compliant | Compliant (Pb-free TQFP) |
| Core Architecture | — | ARM Cortex-M0+ (32-bit) |
| Core Subseries | — | SAM D20 |
| Maximum Clock Speed | — | 48 MHz |
| Program Memory (Flash) | — | 16 KB (16K x 8) |
| Data Memory (SRAM) | — | 2 KB |
| Temperature Grade | — | Industrial (-40C to +85C) |
| GPIO Count | — | 38 |
| SERCOM Channels | — | 6 (each configurable as UART/SPI/I2C) |
| Analog Comparators | — | 2 |
| Peripheral Touch Controller (PTC) | — | Yes (buttons, sliders, wheels) |
| RTC | — | 24-bit, with calendar mode |