ATSAMC21N18A-ANT vs ATSAMC20N18A-ANT 对比
详细并排对比 ATSAMC21N18A-ANT 出自 Microchip Technology 和 ATSAMC20N18A-ANT 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
ATSAMC21N18A-ANT - 48MHz Cortex-M0+ MCU 256KB Flash TQFP-100 | Microchip
ATSAMC21N18A-ANT ✓ 量产中Microchip Technology
ATSAMC20N18A-ANT - 256KB Flash Cortex-M0+ MCU 48MHz | Microchip
ATSAMC20N18A-ANT ✓ 量产中规格对比
| 参数 | ATSAMC21N18A-ANT | ATSAMC20N18A-ANT |
|---|---|---|
| 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） | $4.12 | $4.10 |
| Core | ARM Cortex-M0+ (32-bit, single-core) | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Clock | 48 MHz | 48 MHz |
| Flash Memory | 256 KB (in-system self-programmable) | — |
| EEPROM Emulation Flash | 8 KB (independent self-programmable) | — |
| SRAM | 32 KB | 32 KB |
| Supply Voltage (VDD) | 2.7 V to 5.5 V | — |
| 工作温度 | -40C to +105C (industrial) | — |
| 封装 | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) |
| GPIO Count | Up to 84 | 84 |
| Communication Interfaces | 6x SERCOM (UART/SPI/I2C), 1x CAN-FD, USB, I2S | SERCOM (configurable USART/SPI/I2C) |
| Analog Peripherals | 12-bit ADC, 10-bit DAC, comparators, op-amps, PTC | — |
| DMA Channels | 7 | — |
| Multipliers | Single-cycle hardware multiplier | — |
| Memory Protection Unit (MPU) | Yes | Yes |
| Micro Trace Buffer | Yes | Yes |
| Functional Safety (FuSa) | Yes | — |
| RoHS 状态 | Compliant (Green) | Compliant (Green, lead-free) |
| 安装类型 | Surface Mount | Surface Mount |
| Program Flash Memory | — | 256 KB (256K x 8) |
| EEPROM Emulation Region (separate Flash) | — | 8 KB |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| 工作温度范围 | — | -40 C to +105 C |
| I/O Tolerance | — | 5V tolerant |
| Hardware Multiplier | — | Single-cycle 32-bit |
| ADC | — | 12-bit |
| Packing Media | — | Tape and Reel (1000) |