ATMEGA88-20MJ vs ATMEGA328P-MU 对比
详细并排对比 ATMEGA88-20MJ 出自 Microchip Technology 和 ATMEGA328P-MU 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
ATMEGA88-20MJ - 8-bit AVR MCU 20MHz 8KB Flash VQFN-32 | Microchip
ATMEGA88-20MJ ✓ 量产中
规格对比
| 参数 | ATMEGA88-20MJ | ATMEGA328P-MU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 不推荐新设计 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $1.24 | $2.85 |
| Core Architecture | 8-bit AVR RISC (Harvard) | AVR 8-bit RISC |
| 最大时钟频率 | 20 MHz | — |
| Peak Throughput | Up to 20 MIPS at 20 MHz | — |
| Flash Program Memory | 8 KB (4K x 16), ISP, self-programming | 32 KB (16 K x 16) |
| SRAM | 1 KB | 2 KB |
| EEPROM | 512 B | 1 KB |
| Supply Voltage Range | 1.8 V to 5.5 V (4.5 V to 5.5 V for 20 MHz speed grade) | — |
| General Purpose I/O | 23 I/O lines | — |
| Working Registers | 32 x 8-bit general purpose | — |
| Instructions | 131 instructions, most single-cycle | — |
| ADC | 8-channel 10-bit with internal reference | 10-bit, 8 channels (6 + 2 dedicated QFN/VFP) |
| Timers | 1 x 8-bit, 1 x 16-bit with compare/PWM | — |
| Communication Interfaces | I2C (Two-Wire), SPI, UART/USART | USART, SPI (master/slave), TWI (I2C-compatible) |
| On-Chip Debug | DebugWIRE | — |
| 封装 | 32-VQFN (MLF) 5x5 mm | 32-pin VQFN (5x5 mm, exposed pad) |
| 工作温度范围 | [DATA_NEEDED: operating temperature range] | — |
| 安装类型 | Surface Mount | Surface Mount |
| Maximum Clock Speed | — | 20 MHz |
| Instruction Throughput | — | 20 MIPS |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| General-Purpose I/O | — | 23 lines |
| Timers/Counters | — | 2 x 8-bit, 1 x 16-bit |
| On-chip Oscillator | — | Internal 8 MHz calibrated, 128 kHz |
| 工作温度 | — | -40 C to +85 C (industrial) |
| Programming Interface | — | ISP, debugWIRE, TPI |
| RoHS 状态 | — | Compliant |