ATMEGA1284P-AU vs ATMEGA324PA-AU 对比
详细并排对比 ATMEGA1284P-AU 出自 Microchip Technology 和 ATMEGA324PA-AU 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。
规格对比
| 参数 | ATMEGA1284P-AU | ATMEGA324PA-AU |
|---|---|---|
| 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） | $4.65 | $2.87 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory (Flash) | 128 KB | — |
| EEPROM | 4 KB | 1 KB |
| SRAM | 16 KB | 2 KB |
| Maximum CPU Speed | 20 MHz | — |
| Operating Voltage Range | 1.8 V to 5.5 V | — |
| I/O Pins | 32 | — |
| General-Purpose Registers | 32 | — |
| ADC | 10-bit, 8-channel | 8-channel 10-bit |
| USART | 2 | — |
| SPI | 1 | — |
| TWI (I2C) | 1 | — |
| Timer/Counters | 2x 8-bit, 2x 16-bit | — |
| PWM Channels | 6 | — |
| 封装 | TQFP-44 (10x10 mm) | 44-TQFP (10 x 10 mm, 0.8 mm pitch) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| In-System Programming | Yes (SPI) | — |
| JTAG Debug | Yes (IEEE 1149.1) | — |
| Power-Down Current | [DATA_NEEDED: power-down current in nA] | — |
| RoHS 状态 | Compliant | Compliant |
| MSL 等级 | 3 (per JEDEC J-STD-020) | — |
| Flash Memory | — | 32 KB ISP Flash (16K x 16), read-while-write |
| 最大时钟频率 | — | 20 MHz |
| 电源电压 | — | 4.5 V to 5.5 V |
| I/O Lines | — | 32 |
| Working Registers | — | 32 general purpose |
| Instructions | — | 131 powerful instructions, most single-cycle |
| Timers/Counters | — | 3 with compare modes and PWM |
| Serial Interfaces | — | 2 USART, TWI (I2C), SPI |
| Low-Power Technology | — | picoPower |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |