ATMEGA324A-AU vs ATMEGA164A-AU 对比
详细并排对比 ATMEGA324A-AU 出自 Microchip Technology 和 ATMEGA164A-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。
Microchip Technology
ATMEGA324A-AU - AVR MCU 32KB Flash 20MHz TQFP-44 | Microchip
ATMEGA324A-AU ✓ 量产中规格对比
| 参数 | ATMEGA324A-AU | ATMEGA164A-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） | $2.09 | $2.65 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Flash Memory | 32 KB (ISP, read-while-write) | — |
| EEPROM | 1 KB | 512 B |
| SRAM | 2 KB | 1 KB |
| Maximum CPU Frequency | 20 MHz | — |
| Supply Voltage Range | 1.8 V to 5.5 V (speed-grade dependent) | — |
| General Purpose I/O | 32 lines | 32 |
| General Purpose Working Registers | 32 | — |
| Instructions | 131 (most single-cycle) | — |
| Timers/Counters | 3 | Two 8-bit, One 16-bit |
| Real Time Counter | Yes | — |
| Serial Interfaces | USART, SPI, 2-Wire (I2C/TWI) | — |
| In-System Programming | Yes (ISP) | — |
| Package Type | TQFP-44, 10 x 10 mm, 1 mm height, 0.8 mm pitch | — |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (Industrial) | -40C to +85C (industrial) |
| Life Cycle Stage | Active | — |
| RoHS 状态 | Compliant | Compliant |
| Program Memory (Flash) | — | 16 KB (8K x 16) |
| Maximum CPU Speed | — | 20 MHz (20 MIPS) |
| 电源电压 | — | 2.7 V to 5.5 V (4.5V-5.5V at 20MHz) |
| ADC | — | 8-channel, 10-bit |
| PWM Channels | — | 6 |
| Communication Interfaces | — | 2x USART, SPI, I2C (TWI) |
| 封装 | — | 44-TQFP (10x10 mm) |