ATSAM3A4CA-CU vs ATSAM3A8CA-CU 对比
详细并排对比 ATSAM3A4CA-CU 出自 Microchip Technology 和 ATSAM3A8CA-CU 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
ATSAM3A4CA-CU - 84MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3A4CA-CU ✓ 量产中
规格对比
| 参数 | ATSAM3A4CA-CU | ATSAM3A8CA-CU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| Core Processor | ARM Cortex-M3 revision 2.0 | — |
| Core Size | 32-bit, single-core | — |
| Maximum Clock Speed | 84 MHz | — |
| Flash Memory | 256KB (256K x 8), 2 x 128KB banks | 512 KB |
| SRAM | 64KB, 2 x 32KB banks | 96 KB |
| Supply Voltage Range | 1.62 V to 3.6 V (1.8 V / 2.5 V / 3.3 V typical) | 1.62 V to 3.6 V |
| Connectivity | CAN, I2C (TWI), IrDA, LIN, MMC/SD, SPI, SSC, UART/USART | CAN, ISUP2C, IrDA, LIN, MMC, SPI, SSC, UART/USART |
| Instruction Set | Thumb-2 | Thumb-2 |
| Memory Protection | MPU (Memory Protection Unit) | Memory Protection Unit (MPU) |
| SysTick Timer | 24-bit | — |
| Interrupt Controller | NVIC (Nested Vectored Interrupt Controller) | — |
| 封装 | 100-TFBGA (9 x 9 mm) | 100-TFBGA, 9 x 9 mm |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (industrial) | — |
| RoHS 状态 | Compliant (green package) | — |
| Series | SAM3A | — |
| Processor Core | — | ARM Cortex-M3 revision 2.0, 32-bit |
| Maximum CPU Frequency | — | 84 MHz |
| Flash Organization | — | 2 x 256 KB banks |
| SRAM Organization | — | 64 KB + 32 KB banks |
| ADC | — | 12-bit |
| DAC | — | 12-bit |
| Temperature Sensor | — | Integrated |
| Timer | — | 32-bit timer and PWM timer |
| Real-Time Clock | — | Integrated RTC |
| System Timer | — | 24-bit SysTick counter |
| Interrupt Control | — | Nested Vector Interrupt Controller |
| 工作温度范围 | — | [DATA_NEEDED: operating temperature range] |
| RoHS Compliance | — | [DATA_NEEDED: RoHS compliance status] |