ATMEGA164A-AU vs ATMEGA1284P-AU 对比
详细并排对比 ATMEGA164A-AU 出自 Microchip Technology 和 ATMEGA1284P-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 | ATMEGA164A-AU | ATMEGA1284P-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） | $2.65 | $4.65 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Program Memory (Flash) | 16 KB (8K x 16) | 128 KB |
| EEPROM | 512 B | 4 KB |
| SRAM | 1 KB | 16 KB |
| Maximum CPU Speed | 20 MHz (20 MIPS) | 20 MHz |
| 电源电压 | 2.7 V to 5.5 V (4.5V-5.5V at 20MHz) | — |
| General Purpose I/O | 32 | — |
| ADC | 8-channel, 10-bit | 10-bit, 8-channel |
| Timers/Counters | Two 8-bit, One 16-bit | — |
| PWM Channels | 6 | 6 |
| Communication Interfaces | 2x USART, SPI, I2C (TWI) | — |
| 工作温度 | -40C to +85C (industrial) | -40C to +85C (industrial) |
| 封装 | 44-TQFP (10x10 mm) | TQFP-44 (10x10 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| I/O Pins | — | 32 |
| General-Purpose Registers | — | 32 |
| USART | — | 2 |
| SPI | — | 1 |
| TWI (I2C) | — | 1 |
| Timer/Counters | — | 2x 8-bit, 2x 16-bit |
| In-System Programming | — | Yes (SPI) |
| JTAG Debug | — | Yes (IEEE 1149.1) |
| Power-Down Current | — | [DATA_NEEDED: power-down current in nA] |
| MSL 等级 | — | 3 (per JEDEC J-STD-020) |