ATSAML21-XPRO-B vs ATSAML22-XPRO-B 对比
详细并排对比 ATSAML21-XPRO-B 出自 Microchip Technology 和 ATSAML22-XPRO-B 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
ATSAML21-XPRO-B - SAM L21 Xplained Pro Evaluation Kit | Microchip
ATSAML21-XPRO-B ✓ 量产中Microchip Technology
ATSAML22-XPRO-B - SAM L22 ARM Cortex-M0+ Xplained Pro Kit | Microchip
ATSAML22-XPRO-B ✓ 量产中规格对比
| 参数 | ATSAML21-XPRO-B | ATSAML22-XPRO-B |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Development Boards | Development Boards |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $101.92 | $75.50 |
| Product Type | Evaluation / Development Board | — |
| Series | SAM L Xplained Pro | SAM L |
| Target MCU | ATSAML21J18B | ATSAML22N18A (ARM Cortex-M0+) |
| MCU Core | ARM Cortex-M0+ 32-bit | — |
| 最大时钟频率 | 48 MHz | — |
| CoreMark/MHz | 2.46 | — |
| Flash Memory (on-board MCU) | 256 KB | — |
| SRAM (on-board MCU) | 32 KB | — |
| Operating Voltage | 3.3 V | — |
| Debug Interface | Embedded Debugger (EDBG) over USB | — |
| Expansion Interface | 3x Xplained Pro extension headers | — |
| Crystal | 32.768 kHz RTC crystal (on-board) | — |
| Connectivity | USB Micro-B, 3 Xplained Pro headers | — |
| Form Factor | Xplained Pro | Xplained Pro, mikroBUS socket |
| Supported IDE | MPLAB X IDE, Microchip Studio, MPLAB Harmony 3 | — |
| Compliance | RoHS | ROHS3 Compliant |
| Board Type | — | Evaluation Platform / MCU 32-Bit |
| Core Architecture | — | ARM Cortex-M0+, 32-bit |
| Max CPU Clock | — | 32 MHz |
| On-chip Flash (target MCU) | — | 256 KB |
| On-chip SRAM (target MCU) | — | 32 KB |
| On-board Debugger | — | nEDBG (CMSIS-DAP / drag-and-drop) |
| Segment LCD Support | — | Up to 4x40 segments via on-board LCD |
| Touch Controller | — | Peripheral Touch Controller (PTC) breakout |
| Operating Voltage (board) | — | 3.3 V (USB powered) |
| Active Current (target MCU) | — | 39 µA/MHz running CoreMark |
| Backup Mode Current (target MCU) | — | 490 nA (RTC + retention) |
| Packaging | — | Box (Bulk) |