ATSAMD21E16C-UUTB4 vs ATSAMD20E16B-MU 对比
详细并排对比 ATSAMD21E16C-UUTB4 出自 Microchip Technology 和 ATSAMD20E16B-MU 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
ATSAMD21E16C-UUTB4 - 48MHz Cortex-M0+ MCU 64KB Flash 35-WLCSP
ATSAMD21E16C-UUTB4 ✓ 量产中Microchip Technology
ATSAMD20E16B-MU - 48MHz Cortex-M0+ MCU 64KB Flash | Microchip
ATSAMD20E16B-MU ✓ 量产中规格对比
| 参数 | ATSAMD21E16C-UUTB4 | ATSAMD20E16B-MU |
|---|---|---|
| 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） | $3.27 | $1.95 |
| Core Architecture | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Operating Frequency (Max) | 48 MHz | — |
| Program Memory (Flash) | 64 KB | 64 KB (64K x 8) |
| Data Memory (SRAM) | 8 KB | — |
| Data Width | 32-bit | — |
| 封装 | 35-WLCSP (2.82 x 2.53 mm) | 32-pin VQFN (5x5 mm) with exposed pad |
| Supply Voltage Range | 1.62 V to 3.63 V | — |
| GPIO Count | 26 (per WLCSP ballout) | — |
| ADC | 12-bit, up to 12 channels, 350 kSPS | 12-bit, up to 20 channels |
| DAC | 10-bit, 1 channel | — |
| USB Interface | USB 2.0 Full-Speed with on-chip transceiver | — |
| Serial Interfaces | 2x I2C, 2x SPI, 2x UART, 1x I2S | — |
| Timers | 1x 24-bit + 2x 16-bit + 2x 8-bit TC | — |
| DMA Channels | 12-channel DMAC | — |
| Event System Channels | 12 | — |
| Debug Interface | Serial Wire Debug (SWD), 2-pin | — |
| Functional Safety | FuSa (IEC 60730 Class B capable) | — |
| 工作温度 | -40 C to +85 C | -40 C to +85 C (industrial) |
| 安装类型 | Surface Mount (WLCSP) | Surface Mount |
| RoHS 状态 | ROHS3 Compliant | Compliant |
| Maximum CPU Clock | — | 48 MHz |
| SRAM | — | 8 KB |
| Operating Voltage (VDD) | — | 1.62 V to 3.63 V |
| I/O Pins | — | 26 (approx., datasheet-confirm per variant) |
| SERCOM Instances | — | 4 (configurable as UART/SPI/I2C) |
| Analog Comparators | — | 2 |
| Brown-Out Detectors | — | 2 |
| Timers/Counters | — | 6 |
| RTC | — | Yes, 32 kHz domain |
| Watchdog Timer | — | Yes |
| MSL 等级 | — | 3 (per JEDEC J-STD-020, typical for VQFN) |