ATMEGA1284P-MU vs ATMEGA1284P-AU 对比
详细并排对比 ATMEGA1284P-MU 出自 Microchip Technology 和 ATMEGA1284P-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
ATMEGA1284P-MU - 128KB Flash 8-Bit AVR MCU 20MHz | Microchip
ATMEGA1284P-MU ✓ 量产中
规格对比
| 参数 | ATMEGA1284P-MU | ATMEGA1284P-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） | $4.10 | $4.65 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max CPU Clock | 20 MHz | — |
| Flash Memory | 128 KB (64K x 16) ISP, Read-While-Write | — |
| EEPROM | 4 KB | 4 KB |
| SRAM | 16 KB | 16 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| I/O Lines | 32 general purpose | — |
| USART | 2 | 2 |
| Timer/Counters | 3 (with compare modes and PWM) | 2x 8-bit, 2x 16-bit |
| Real Time Counter (RTC) | Yes | — |
| 10-bit ADC | 8 channels | — |
| TWI (I2C) | 1, byte-oriented 2-wire | 1 |
| SPI | 1 | 1 |
| Watchdog Timer | Yes, programmable with on-chip oscillator | — |
| 封装 | 44-VQFN (7x7 mm) with Exposed Pad | TQFP-44 (10x10 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | [DATA_NEEDED: temperature range for -MU speed grade] | -40C to +85C (industrial) |
| Programming Interface | ISP via SPI, self-programming boot support | — |
| RoHS 状态 | Compliant (per Microchip product page) | Compliant |
| Program Memory (Flash) | — | 128 KB |
| Maximum CPU Speed | — | 20 MHz |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| I/O Pins | — | 32 |
| General-Purpose Registers | — | 32 |
| ADC | — | 10-bit, 8-channel |
| PWM Channels | — | 6 |
| In-System Programming | — | Yes (SPI) |
| JTAG Debug | — | Yes (IEEE 1149.1) |
| Power-Down Current | — | [DATA_NEEDED: power-down current in nA] |
| MSL 等级 | — | 3 (per JEDEC J-STD-020) |