ATMEGA164P-20AQ vs ATMEGA16A-AU 对比
详细并排对比 ATMEGA164P-20AQ 出自 Microchip Technology 和 ATMEGA16A-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
ATMEGA164P-20AQ - 16KB Flash 8-bit AVR MCU 20MHz TQFP-44 | Microchip
ATMEGA164P-20AQ ✓ 量产中规格对比
| 参数 | ATMEGA164P-20AQ | ATMEGA16A-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） | $2.94 | $2.05 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR enhanced RISC |
| Flash Memory | 16 KB (8K x 16) ISP, read-while-write | — |
| EEPROM | 512 B | 512 bytes |
| SRAM | 1 KB | 1024 bytes |
| Maximum CPU Speed | 20 MHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O | 32 lines | — |
| General Purpose Working Registers | 32 | — |
| Instruction Set | 131 instructions, mostly single-cycle | 133 instructions, most single-cycle |
| MIPS Throughput | Up to 20 MIPS at 20 MHz | — |
| 封装 | 44-TQFP (10 x 10 mm) | 44-TQFP (10 x 10 mm, 1 mm height) |
| 工作温度 | -40C to +85C (extended, A suffix) | — |
| ADC | 10-bit, 8 channels | 8-channel, 10-bit |
| Serial Interfaces | USART, SPI, TWI (I2C) | — |
| Low Power Technology | picoPower | — |
| Watchdog Timer | Programmable WDT with separate oscillator | — |
| RoHS 状态 | Compliant (green package) | Compliant |
| 安装类型 | Surface Mount | Surface Mount |
| Flash Program Memory | — | 16 KB (8K x 16), self-programmable |
| 最大时钟频率 | — | 16 MHz |
| Performance | — | Approx. 1 MIPS per MHz |
| 电源电压 | — | 2.7 V to 5.5 V |
| Timers | — | Two 8-bit + one 16-bit with PWM |
| Communication Interfaces | — | USART, SPI, TWI (I2C-compatible) |
| Debug Interface | — | JTAG (on-chip debug and boundary scan) |
| Programmable I/O | — | 32 programmable I/O lines |
| In-System Programming | — | Yes (ISP via SPI) |
| Life Cycle Stage | — | ACTIVE |