ATMEGA88-20AU vs ATMEGA48-20AU 对比
详细并排对比 ATMEGA88-20AU 出自 Microchip Technology 和 ATMEGA48-20AU 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 | ATMEGA88-20AU | ATMEGA48-20AU |
|---|---|---|
| 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） | $2.33 | $1.68 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC (enhanced) |
| Program Memory Size | 8 KB (4K x 16) Flash | — |
| SRAM | 1 KB | 512 B |
| EEPROM | 512 B | 256 B |
| 最大时钟频率 | 20 MHz | — |
| Throughput | 20 MIPS at 20 MHz | Up to 20 MIPS |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O Lines | 23 | — |
| General Purpose Working Registers | 32 | — |
| ADC Channels | 8-channel, 10-bit | — |
| Timer/Counters | Three flexible timer/counters with compare modes | 3 (2x 8-bit, 1x 16-bit) |
| 封装 | 32-TQFP (7x7 mm, 0.8 mm pitch) | 32-pin TQFP (7x7 mm, 0.8 mm pitch) |
| 安装类型 | Surface Mount | — |
| 工作温度 | -40C to +85C | -40C to +85C (industrial) |
| Instruction Set | 130 powerful instructions, most single-clock cycle | — |
| Debug Interface | debugWIRE on-chip debugging | — |
| RoHS 状态 | Compliant | Compliant |
| Life Cycle Stage | ACTIVE | — |
| Program Memory (Flash) | — | 4 KB (2K x 16) |
| Maximum CPU Frequency | — | 20 MHz |
| Supply Voltage (Vcc) | — | 4.5 V to 5.5 V |
| I/O Pins | — | 23 |
| ADC | — | 6-channel, 10-bit |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| On-chip Debug | — | debugWIRE |
| In-System Programming | — | Yes (SPI) |
| Sleep Modes | — | 6 (Idle, ADC NR, Power-save, Power-down, Standby, Ext Standby) |
| Watchdog Timer | — | Programmable, with on-chip oscillator |