ATMEGA48PA-AU vs ATMEGA48PA-AUR 对比
详细并排对比 ATMEGA48PA-AU 出自 Microchip Technology 和 ATMEGA48PA-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
ATMEGA48PA-AUR - 8-Bit AVR MCU 4KB Flash 20MHz | Microchip
ATMEGA48PA-AUR ✓ 量产中规格对比
| 参数 | ATMEGA48PA-AU | ATMEGA48PA-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） | $1.38 | $1.72 |
| Core Processor | AVR 8-bit RISC | — |
| Program Memory Size | 4 KB (2K x 16) Flash | 4 KB Flash (2K x 16) |
| EEPROM Size | 256 B | — |
| SRAM Size | 512 B | — |
| 最大时钟频率 | 20 MHz | 20 MHz |
| Operating Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Supply Voltage (5V operation) | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Number of I/O Lines | 23 | — |
| General Purpose Working Registers | 32 | 32 x 8-bit |
| Instruction Set | 131 instructions, most single-cycle | 131 powerful instructions, most single clock cycle |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8 | — |
| Timer/Counters | 3 (two 8-bit, one 16-bit) | Three flexible timer/counters with compare modes |
| 封装 | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) |
| Flash Write/Erase Cycles | 10,000 | — |
| EEPROM Write Cycles | 100,000 | — |
| RoHS 状态 | Compliant | Compliant (Green) |
| Core Architecture | — | 8-bit AVR RISC |
| EEPROM | — | 256 B |
| SRAM | — | 512 B |
| General Purpose I/O Lines | — | 23 |
| ADC | — | 6-channel 10-bit |
| Serial Interfaces | — | SPI, USART, 2-wire (I2C compatible) |
| Analog Comparator | — | One on-chip |
| Watchdog Timer | — | Programmable with separate on-chip oscillator |
| Internal Oscillator | — | Calibrated, 8 MHz |
| Flash Endurance | — | 10,000 write/erase cycles |
| EEPROM Endurance | — | 100,000 write/erase cycles |
| Data Retention | — | 20 years at 85 C |