ATSAMG55J19B-MUT vs ATSAML21J16B-MUT 对比
详细并排对比 ATSAMG55J19B-MUT 出自 Microchip Technology 和 ATSAML21J16B-MUT 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
ATSAMG55J19B-MUT - 120MHz Cortex-M4 MCU, 512KB Flash | Microchip
ATSAMG55J19B-MUT ✓ 量产中Microchip Technology
ATSAML21J16B-MUT - 48MHz Cortex-M0+ 64KB Flash MCU | Microchip
ATSAML21J16B-MUT ✓ 量产中规格对比
| 参数 | ATSAMG55J19B-MUT | ATSAML21J16B-MUT |
|---|---|---|
| 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） | $5.74 | $2.18 |
| Core Architecture | ARM Cortex-M4 with FPU (single-precision) and DSP extensions | — |
| Maximum CPU Frequency | 120 MHz | — |
| Program Memory (Flash) | 512 KB (512K x 8) | 64 KB (64K x 8) |
| SRAM | 176 KB | — |
| ROM (Boot Loader) | 8 KB | — |
| 电源电压 | 1.62 V to 3.6 V (single supply) | — |
| 工作温度 | -40 C to +85 C (Industrial, MUT suffix) | -40C to +85C |
| 封装 | 64-QFN MRLB, 7.5 x 7.5 mm with exposed pad | 64-QFN (9x9 mm), surface mount |
| GPIO Count | Up to 47 | — |
| USB | USB 2.0 Full-Speed Device with on-chip transceiver | — |
| Audio Interface | I2S / SSC (Synchronous Serial Controller) | — |
| Oscillators | 3 to 20 MHz crystal/ceramic resonator + 3 internal RC oscillators | — |
| Boot Loader | Embedded, supports Flash programming | — |
| Watchdog Timer | Yes | — |
| Power-on Reset / Brown-out Detector | Yes | — |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | MSL3 (per JEDEC J-STD-020) | MSL3 (per JEDEC J-STD-020, [DATA_NEEDED: floor life]) |
| RoHS 状态 | Compliant | Compliant |
| Core Processor | — | ARM Cortex-M0+ |
| Core Size | — | 32-Bit Single-Core |
| Series | — | SAM L21J |
| Maximum Clock Speed | — | 48 MHz |
| CoreMark/MHz | — | 2.46 |
| RAM (SRAM) | — | [DATA_NEEDED: SRAM size - vendor pages conflict (4 KB or 8 KB); datasheet Table 9-2 confirms part-number-dependent] |
| Supply Voltage (VDD) | — | 1.62 V to 3.63 V |
| Active Mode Current | — | < 35 uA/MHz |
| Sleep Mode Current | — | 200 nA (typical) |
| Backup Mode Current | — | [DATA_NEEDED: typical backup mode current; datasheet Figure 45-7] |
| ADC | — | 12-bit, up to 1 Msps |
| DAC | — | 10-bit, 350 ksps |
| SERCOM Modules | — | Up to 6 (UART/SPI/I2C/LIN configurable) |
| Lead-Free / Halogen-Free | — | Lead-free (per Microchip product page) |