ATMEGA48A-CCU vs ATMEGA48PA-CCU 对比
详细并排对比 ATMEGA48A-CCU 出自 Microchip Technology 和 ATMEGA48PA-CCU 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。
规格对比
| 参数 | ATMEGA48A-CCU | ATMEGA48PA-CCU |
|---|---|---|
| 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） | $1.12 | $0.85 |
| Core Architecture | AVR 8-bit RISC (Harvard) | 8-bit AVR RISC |
| Clock Speed | 20 MHz | — |
| Flash Memory | 4 KB (2K x 16) In-System Programmable | — |
| SRAM | 512 B | 512 B |
| EEPROM | 256 B | 256 B |
| 电源电压 | 1.8 V to 5.5 V | — |
| General Purpose I/O | 23 lines | — |
| Timers/Counters | 3 (two 8-bit, one 16-bit) with compare modes | — |
| ADC | 8-channel 10-bit with internal bandgap reference | — |
| Serial Interfaces | SPI, TWI (I2C-compatible), USART | — |
| Debug Interface | debugWIRE on-chip debug via RESET pin | — |
| Sleep Modes | 6 (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby) | — |
| Watchdog Timer | Programmable with separate on-chip oscillator | Yes, with separate on-chip oscillator |
| Flash Endurance | 10,000 write/erase cycles | — |
| 封装 | 32-UFBGA (4x4 mm, 0.45 mm pitch) | 32-UFBGA, 4 x 4 mm, 0.45 mm pitch, 1 mm height |
| 安装类型 | Surface Mount | Surface Mount |
| Instructions | 131 instructions, most single-cycle | — |
| 生命周期状态 | Active | — |
| Program Memory (Flash) | — | 4 KB |
| Maximum Clock Speed | — | 20 MHz |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| Number of I/O | — | 23 |
| Timers | — | 2 x 8-bit, 1 x 16-bit |
| ADC Resolution | — | 10-bit |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| Analog Comparator | — | Yes |
| Programming / Debug | — | ICSP (In-Circuit Serial Programming) |
| Life Cycle Stage | — | ACTIVE |
| RoHS 状态 | — | [DATA_NEEDED: RoHS status] |
| 工作温度 | — | [DATA_NEEDED: operating temperature range] |