ATMEGA1284-PU vs ATMEGA1284-AUR 对比
详细并排对比 ATMEGA1284-PU 出自 Microchip Technology 和 ATMEGA1284-AUR 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
ATMEGA1284-PU - 8-bit AVR MCU 128KB Flash 20MHz PDIP-40 | Microchip
ATMEGA1284-PU ✓ 量产中Microchip Technology
ATMEGA1284-AUR - 8-Bit AVR MCU 128KB Flash 20MHz | Microchip
ATMEGA1284-AUR ✓ 量产中规格对比
| 参数 | ATMEGA1284-PU | ATMEGA1284-AUR |
|---|---|---|
| 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） | $6.21 | $4.61 |
| Core Architecture | AVR enhanced RISC, 8-bit | 8-bit AVR RISC |
| Flash Program Memory | 128KB (64K x 16) | — |
| SRAM | 16KB | 16 KB |
| EEPROM | 4KB | 4 KB |
| 最大时钟频率 | 20 MHz | 20 MHz |
| Supply Voltage Range | 2.5V to 5.5V (speed-graded) | 1.8 V to 5.5 V |
| I/O Pins | 32 general purpose I/O lines | — |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit successive approximation |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| USART | 2 | — |
| Serial Interfaces | SPI, 2-Wire (I2C), USART | — |
| JTAG | Yes (Port C, on-chip debug and boundary-scan) | — |
| Instructions | 133 instructions, most single-cycle | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +85C |
| 封装 | 40-PDIP | 44-pin TQFP (10x10 mm) |
| 安装类型 | Through Hole | Surface Mount |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | Compliant |
| Program Memory Size | — | 128 KB ISP Flash (64K x 16) |
| Throughput | — | Up to 20 MIPS at 20 MHz |
| Operating Voltage (Full 20 MHz) | — | 2.7 V to 5.5 V |
| General Purpose I/O Lines | — | 32 |
| General Purpose Working Registers | — | 32 |
| Instruction Set | — | 131 powerful instructions, most single-clock cycle |
| USART Interfaces | — | 2 |
| Timer/Counters | — | 3 flexible timer/counters with compare modes and PWM |
| Packaging | — | Tape & Reel |
| Lifecycle Stage | — | Active |