ATSAML22J18A-AUT vs ATSAML21J18B-AUT 对比
详细并排对比 ATSAML22J18A-AUT 出自 Microchip Technology 和 ATSAML21J18B-AUT 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
ATSAML22J18A-AUT - 32MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAML22J18A-AUT ✓ 量产中Microchip Technology
ATSAML21J18B-AUT - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAML21J18B-AUT ✓ 量产中规格对比
| 参数 | ATSAML22J18A-AUT | ATSAML21J18B-AUT |
|---|---|---|
| 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） | $3.86 | $4.55 |
| Core Processor | ARM Cortex-M0+ | — |
| Core Size | 32-Bit Single-Core | — |
| Maximum CPU Speed | 32 MHz | — |
| Program Memory (Flash) | 256 KB (256K x 8) | — |
| SRAM | 32 KB | 32 KB (up to 40 KB reported by some sources) |
| Supply Voltage (VDD) | 1.6 V to 3.6 V | — |
| Active Current (CoreMark) | 39 µA/MHz | — |
| Backup Mode Current (RTC) | 490 nA | — |
| 封装 | 64-TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) |
| 工作温度 | -40 °C to +85 °C (AUT grade) | -40 C to +85 C (industrial) |
| Connectivity | I²C, SPI, UART, USB 2.0 Full-Speed Device | — |
| Peripherals | Segment LCD, 12-bit ADC, 10-bit DAC, PTC (touch), AES-256, RTC | — |
| Number of I/O Pins | [DATA_NEEDED: GPIO count for TQFP-64 variant] | — |
| 安装类型 | Surface Mount | Surface Mount (Tape & Reel, AUT suffix) |
| MSL 等级 | 3 (168 hours) | — |
| RoHS 状态 | Compliant | Compliant |
| Core Architecture | — | ARM Cortex-M0+ (32-bit) |
| Series | — | SAM L21J, Functional Safety (FuSa) |
| Maximum CPU Frequency | — | 48 MHz |
| Program Flash | — | 256 KB (256K x 8) |
| Supply Voltage (Vcc/Vdd) | — | 1.62 V to 3.63 V |
| GPIO Count | — | 51 (per SAM L21J datasheet) |
| USB | — | USB 2.0 Full-Speed Device |
| Serial Interfaces | — | Multiple SERCOM (configurable as UART/SPI/I2C) |
| ADC | — | 12-bit |
| DAC | — | 10-bit |
| Touch Peripheral (PTC) | — | Yes (Peripheral Touch Controller) |
| Active Current | — | Under 35 uA/MHz |
| Sleep Current | — | 200 nA |
| Functional Safety | — | IEC 60730 Class B (FuSa variant) |
| Carrier Type | — | Tape & Reel (AUT suffix) |