ATSAMDA1G14B-MBT vs ATSAMD21E16B-MU 对比
详细并排对比 ATSAMDA1G14B-MBT 出自 Microchip Technology 和 ATSAMD21E16B-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
ATSAMDA1G14B-MBT - SAM DA1 Cortex-M0+ MCU, 48MHz, 16KB Flash | Microchip
ATSAMDA1G14B-MBT ✓ 量产中Microchip Technology
ATSAMD21E16B-MU - ARM Cortex-M0+ MCU, 48MHz, 64KB Flash | Microchip
ATSAMD21E16B-MU ✓ 量产中规格对比
| 参数 | ATSAMDA1G14B-MBT | ATSAMD21E16B-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） | $1.78 | $2.65 |
| Core Architecture | ARM Cortex-M0+ (32-bit) | — |
| Family | SAM DA1 | — |
| Maximum CPU Frequency | 48 MHz (45 DMIPS) | — |
| Program Flash | 16 KB (16K x 8) | — |
| SRAM | 4 KB | 8 KB |
| RWW Flash | 512 Bytes (Read-While-Write) | — |
| 电源电压 | 1.62 V to 3.63 V (operating range per SAM DA1 family) | — |
| 工作温度 | -40 C to +85 C (industrial grade, MBT suffix) | -40 C to +85 C (industrial) |
| 封装 | 48-pin QFN (7x7 mm) with exposed thermal pad | 32-pin VQFN (5x5 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| SERCOM Modules | 6 (each configurable as USART, I2C, or SPI) | 6 (each configurable as I2C / SPI / USART) |
| ADC | 12-bit SAR, up to 16 channels (family spec) | 12-bit, up to 350 ksps, 10 channels |
| Timer/Counters | 3 x 16-bit TC, plus TCC for PWM (family spec) | — |
| I/O Pins (approx.) | 38 GPIO | — |
| RoHS 状态 | Compliant | Compliant (Green) |
| Core | — | ARM Cortex-M0+ (32-bit, single-core) |
| Maximum CPU Clock | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| Program Memory (Flash) | — | 64 KB (in-system self-programmable) |
| Operating Voltage (VDD) | — | 1.62 V to 3.63 V |
| I/O Voltage (VDDIO) | — | 1.62 V to VDD (separate I/O rail) |
| USB | — | USB 2.0 Full-Speed Device/Host |
| DAC | — | 10-bit, 350 ksps, 1 channel |
| DMA Channels | — | 14 |
| Timers/Counters | — | 4 x 16-bit TC, plus 32-bit RTC |
| External Interrupts (EIC) | — | 16 + 1 NMI |
| Debug Interface | — | Serial Wire Debug (SWD), 2-pin |
| Micro Trace Buffer | — | Yes |
| Peripheral Touch Controller (PTC) | — | Capacitive touch: buttons, slider, wheel |
| MSL 等级 | — | 3 (per JEDEC J-STD-020) |