ATMEGA329A-AU vs ATMEGA169A-AU 对比
详细并排对比 ATMEGA329A-AU 出自 Microchip Technology 和 ATMEGA169A-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
ATMEGA169A-AU - 8-bit AVR MCU 16MHz 16KB Flash TQFP-64 | Microchip
ATMEGA169A-AU ✓ 量产中规格对比
| 参数 | ATMEGA329A-AU | ATMEGA169A-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） | $3.31 | $2.98 |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 32 KB ISP Flash (16K x 16) with read-while-write | 16 KB (8K x 16) ISP with read-while-write |
| SRAM | 2 KB | 1 KB |
| EEPROM | 1 KB | 512 B |
| 最大时钟频率 | 20 MHz | — |
| General Purpose I/O | 54 lines | 54 (TQFP-64 variant) |
| Working Registers | 32 general purpose | 32 x 8-bit general purpose |
| LCD Controller | On-chip LCD controller with internal contrast control | Segment LCD driver (up to 25 segments x 4 commons) |
| Debug/Programming Interface | JTAG (boundary-scan, on-chip debug, ISP programming) | — |
| Timers | Three flexible timers | Two 8-bit, one 16-bit, watchdog timer |
| 封装 | 64-TQFP (14x14 mm) | 64-TQFP, 14 x 14 mm, 1 mm height |
| 安装类型 | Surface Mount | Surface Mount |
| Temperature Grade | Industrial | — |
| RoHS 状态 | Green (compliant) | — |
| Supply Voltage Range | 2.5 V to 5.5 V (per ATmega329A family; see datasheet) | 2.7 V to 5.5 V |
| Product Family | AVR ATmega | — |
| Core | — | AVR 8-bit RISC |
| CPU Speed | — | 16 MHz (16 MIPS peak) |
| Instruction Set | — | 133 instructions, most single-cycle |
| ADC | — | 10-bit, 8 channels |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| Debug / Boundary Scan | — | JTAG (IEEE 1149.1), on-chip debug |
| 工作温度 | — | -40C to +85C (industrial) |
| 生命周期状态 | — | Active |