ATMEGA32A-AU vs ATMEGA329-16AU 对比
详细并排对比 ATMEGA32A-AU 出自 Microchip Technology 和 ATMEGA329-16AU 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
ATMEGA32A-AU - 8-bit AVR MCU, 32KB Flash, 16MHz, TQFP-44 | Microchip
ATMEGA32A-AU ✓ 量产中Microchip Technology
ATMEGA329-16AU - 8-bit AVR MCU 16MHz 32KB Flash LCD | Microchip
ATMEGA329-16AU ✓ 量产中规格对比
| 参数 | ATMEGA32A-AU | ATMEGA329-16AU |
|---|---|---|
| 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） | $2.95 | $8.45 |
| Manufacturer | Microchip Technology (formerly Atmel) | — |
| Series | AVR ATmega | — |
| Core Architecture | AVR RISC 8-bit | 8-bit AVR RISC |
| 最大时钟频率 | 16 MHz | 16 MHz |
| MIPS Throughput | 16 MIPS at 16 MHz | — |
| Program Memory (Flash) | 32 KB | — |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| I/O Pins | 32 programmable | — |
| ADC | 8-channel, 10-bit | — |
| Timers/Counters | Two 8-bit and one 16-bit | — |
| Communication Peripherals | USART, SPI, TWI (I2C) | — |
| Debug Interface | JTAG (IEEE 1149.1 compliant) | — |
| 封装 | 44-pin TQFP (10x10 mm, 0.8 mm pitch) | 64-TQFP (14x14 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] |
| RoHS 状态 | Compliant (Green) | [DATA_NEEDED: RoHS status] |
| Flash Program Memory | — | 32 KB (16K x 16) |
| Supply Voltage Range | — | 4.5 V to 5.5 V |
| General Purpose I/O Lines | — | 54 |
| LCD Controller | — | On-chip segment LCD controller with internal contrast control |
| JTAG Interface | — | Yes (boundary-scan, on-chip debug, programming) |
| In-System Programming | — | Yes (ISP Flash, read-while-write) |
| General Purpose Working Registers | — | 32 |
| Instructions | — | 130+ powerful instructions, most single-clock cycle |
| Life Cycle Stage | — | Active |