ATMEGA48A-CCU vs ATMEGA168A-CCU 对比
详细并排对比 ATMEGA48A-CCU 出自 Microchip Technology 和 ATMEGA168A-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。
Microchip Technology
ATMEGA168A-CCU - 8-Bit AVR MCU, 16KB Flash, 20MHz | Microchip
ATMEGA168A-CCU ✓ 量产中规格对比
| 参数 | ATMEGA48A-CCU | ATMEGA168A-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 | $1.84 |
| Core Architecture | AVR 8-bit RISC (Harvard) | — |
| Clock Speed | 20 MHz | — |
| Flash Memory | 4 KB (2K x 16) In-System Programmable | 16 KB (8K x 16) In-System Programmable |
| SRAM | 512 B | 1 KB |
| EEPROM | 256 B | 512 B |
| 电源电压 | 1.8 V to 5.5 V | — |
| General Purpose I/O | 23 lines | 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 | — |
| Flash Endurance | 10,000 write/erase cycles | — |
| 封装 | 32-UFBGA (4x4 mm, 0.45 mm pitch) | 32-UFBGA (4x4 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Instructions | 131 instructions, most single-cycle | — |
| 生命周期状态 | Active | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Architecture | — | Advanced RISC, 133 instructions, most single-cycle |
| Maximum Clock Speed | — | 20 MHz |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| Working Registers | — | 32 general purpose registers |
| Connectivity | — | I2C (2-wire), SPI, UART/USART |
| Timers | — | 3 Timer/Counters with compare modes and PWM |
| Real Time Counter | — | Yes (RTC) |
| Programming Interface | — | ISP via SPI, ICSP supported by MPLAB SNAP |
| Life Cycle Stage | — | Active |
| 数据总线宽度 | — | 8 bit |