ATSAMD20J14A-AUT vs ATSAMD20J14B-AU 对比
详细并排对比 ATSAMD20J14A-AUT 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
ATSAMD20J14A-AUT - 48MHz Cortex-M0+ MCU 16KB Flash LQFP-64
ATSAMD20J14A-AUT ✓ 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 | ATSAMD20J14A-AUT | 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） | $1.85 | $1.96 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | ARM Cortex-M0+ (32-bit) |
| Family | SAM D20J | — |
| Maximum CPU Clock | 48 MHz | — |
| Program Flash Memory | 16 KB | — |
| SRAM | 2 KB | — |
| Supply Voltage Range | 1.62 V to 3.63 V | — |
| 封装 | 64-LQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| GPIO Count | 52 | 38 |
| ADC | 12-bit, 8-channel, up to 350 ksps | 12-bit, 12 channels, 350 ksps |
| Serial Communication | 6x SERCOM (configurable as UART/SPI/I2C) | — |
| Timers/Counters | 6x 16-bit TC, 1x 24-bit RTC | — |
| 工作温度 | -40 C to +85 C (industrial) | — |
| 安装类型 | Surface Mount | Surface Mount (TQFP, gull-wing) |
| MSL 等级 | 3 (168 hours) | — |
| RoHS 状态 | Compliant | Compliant (Pb-free TQFP) |
| Core Subseries | — | SAM D20 |
| Maximum Clock Speed | — | 48 MHz |
| Program Memory (Flash) | — | 16 KB (16K x 8) |
| Data Memory (SRAM) | — | 2 KB |
| Operating Voltage Range | — | 1.62 V to 3.63 V |
| Temperature Grade | — | Industrial (-40C to +85C) |
| SERCOM Channels | — | 6 (each configurable as UART/SPI/I2C) |
| DAC | — | 10-bit, 1 channel, 350 ksps |
| Analog Comparators | — | 2 |
| USB | — | USB 2.0 Full-Speed Device with on-chip transceiver |
| Peripheral Touch Controller (PTC) | — | Yes (buttons, sliders, wheels) |
| RTC | — | 24-bit, with calendar mode |
| DMA Channels | — | 12 |