ATSAMG55J19A-AU vs ATSAMG55J19B-AUT 对比
详细并排对比 ATSAMG55J19A-AU 出自 Microchip Technology 和 ATSAMG55J19B-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
ATSAMG55J19A-AU - 120MHz Cortex-M4 MCU 512KB Flash | Microchip
ATSAMG55J19A-AU ✓ 量产中Microchip Technology
ATSAMG55J19B-AUT - ARM Cortex-M4 MCU 120MHz 512KB LQFP-64
ATSAMG55J19B-AUT ✓ 量产中规格对比
| 参数 | ATSAMG55J19A-AU | ATSAMG55J19B-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） | $3.99 | $5.42 |
| Core Architecture | ARM Cortex-M4 with FPU | ARM Cortex-M4 with single-precision FPU |
| Core Clock Speed (max) | 120 MHz | — |
| Instruction Set | 32-bit RISC + DSP extensions + FPU (single-precision) | — |
| Program Flash Memory | 512 KB (512K x 8) | — |
| SRAM (Total) | 160 KB | — |
| Backup SRAM with Retention | 16 KB (retained in deep sleep) | — |
| Supply Voltage (VDDIO/VDDCORE) | 1.62 V to 3.6 V | — |
| 工作温度 | -40 C to +85 C (industrial) | — |
| 封装 | 64-LQFP (10x10 mm) | 64-pin LQFP (10x10 mm) |
| Audio Interface | I2S with PDM/TDM and sample-rate converter | I2S (digital audio) |
| USB | USB 2.0 Full-Speed device/host | — |
| ADC | 12-bit SAR | 12-bit, 16-channel (per datasheet) |
| Communication Peripherals | USART/UART, SPI, TWI (I2C), I2S, HS USB | USART, SPI, TWI/I2C |
| External Bus Interface (EBI) | Yes (for SRAM/SDRAM/NOR Flash expansion) | — |
| Active Power Consumption | Down to 100 uA/MHz | — |
| Deep Sleep Current | Below 7 uA with SRAM retention | — |
| Wake-up Time (deep sleep to first instruction) | Down to 3 us | — |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| Lifecycle / New Design Recommendation | Active (new designs: consider ATSAMG55J19B Revision B) | — |
| 最大时钟频率 | — | 120 MHz |
| Program Memory (Flash) | — | 512 KB (512K x 8) |
| SRAM | — | 176 KB |
| Operating Voltage Range | — | 1.62 V to 3.6 V |
| 工作温度范围 | — | -40C to +85C (Industrial) |
| 数据总线宽度 | — | 32-bit |
| Number of I/O Pins | — | Up to 47 (per datasheet) |
| USB Interface | — | USB 2.0 Full-Speed Device/Host with on-chip PHY |
| Timers/PWM | — | 16-bit timers, PWM channels (per datasheet) |
| DMA | — | Peripheral DMA controller |
| Delivery Form | — | Tape & Reel (AUT suffix) |
| Series | — | SAM G55 |
| Silicon Revision | — | B |