ATMEGA168-20MU vs ATMEGA168-20MQR 对比
详细并排对比 ATMEGA168-20MU 出自 Microchip Technology 和 ATMEGA168-20MQR 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
ATMEGA168-20MU - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20MU ✓ 量产中Microchip Technology
ATMEGA168-20MQR - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA168-20MQR ✓ 量产中规格对比
| 参数 | ATMEGA168-20MU | ATMEGA168-20MQR |
|---|---|---|
| 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） | $0.00 | $2.38 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-Bit | 8-bit |
| Speed | 20MHz | 20 MHz |
| Program Memory Size | 16KB (8K x 16) Flash | 16 KB (8K x 16) FLASH |
| EEPROM Size | 512B | 512 B |
| RAM Size | 1K x 8 | 1 KB SRAM |
| Number of I/O | 23 | 23 |
| Supply Voltage Range | 2.7 V to 5.5 V | 4.5 V to 5.5 V (at 20 MHz); 2.0 V min per device family |
| ADC Resolution | 10-bit | 10-bit |
| ADC Channels | 8 (TQFP and QFN/MLF packages) | — |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | I2C (TWI), SPI, UART/USART | SPI, UART/USART, TWI (I2C-compatible) |
| Timers | 2 x 8-bit, 1 x 16-bit | 2 x 8-bit, 1 x 16-bit |
| Oscillator Type | Internal | Internal (calibrated RC) plus external crystal |
| 工作温度 | 0C to +70C | -40C to +85C |
| 封装 | 32-VQFN (5x5 mm) exposed pad | 32-VQFN (5x5 mm) Exposed Pad |
| 安装类型 | Surface Mount | Surface Mount |
| Debug | debugWIRE on-chip debug | — |
| Programming | ISP, In-Circuit Serial Programming (ICSP) | ISP, ICD, ICSP (2 I/O pins + reset) |
| Core Processor | — | AVR |
| General Purpose Working Registers | — | 32 x 8-bit |
| Number of ADC Channels | — | 8 (6 external + ADC6/ADC7 on QFN) |