ATMEGA324P-20MU vs ATMEGA644P-20MU 对比
详细并排对比 ATMEGA324P-20MU 出自 Microchip Technology 和 ATMEGA644P-20MU 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
ATMEGA324P-20MU - 8-bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA324P-20MU ✓ 量产中Microchip Technology
ATMEGA644P-20MU - 8-bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA644P-20MU Nrnd规格对比
| 参数 | ATMEGA324P-20MU | ATMEGA644P-20MU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 不推荐新设计 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $3.80 | $5.02 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | 64 KB (32K x 16) |
| EEPROM | 1 KB | 2 KB |
| SRAM | 2 KB | 4 KB |
| Supply Voltage Range | 4.5 V to 5.5 V | — |
| General Purpose I/O | 32 | — |
| Timers/Counters | 3 (with compare modes and PWM) | — |
| USART | 2 | — |
| ADC Resolution | 10-bit | — |
| Connectivity | I2C (TWI), SPI, UART/USART | — |
| 封装 | 44-VQFN (7x7 mm), exposed pad | 44-VQFN (7x7 mm) exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C | Industrial range |
| Programmer Support | MPLAB SNAP (ICSP, in-circuit debug) | — |
| Technology | picoPower, AVR RISC, 131 instructions | — |
| Core Architecture | — | AVR 8-bit enhanced RISC |
| 最大时钟频率 | — | 20 MHz |
| 电源电压 | — | 4.5 V to 5.5 V (at 20 MHz) |
| USART Count | — | 2 |
| ADC | — | 10-bit, up to 8 channels |
| Interfaces | — | SPI, TWI (I2C-compatible), USART, JTAG |
| MIPS Rating | — | Up to 20 MIPS (1 MIPS/MHz) |
| RoHS 状态 | — | Green / RoHS compliant |
| Product Status | — | Mature product; not recommended for new designs, replaced by ATmega644PA |