ATMEGA328-MMH vs ATMEGA328P-MMHR 对比
详细并排对比 ATMEGA328-MMH 出自 Microchip Technology 和 ATMEGA328P-MMHR 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
ATMEGA328-MMH - 8-Bit AVR MCU 20MHz 32KB Flash VQFN-28 | Microchip
ATMEGA328-MMH ✓ 量产中规格对比
| 参数 | ATMEGA328-MMH | ATMEGA328P-MMHR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | 32 KB |
| EEPROM | 1 KB | 1 KB |
| SRAM | 2 KB | 2 KB |
| Supply Voltage Range | 2.5 V to 5.5 V | — |
| General Purpose I/O | 23 | — |
| ADC Resolution | 10-bit | 10-bit |
| ADC Channels | 8 | 6 channels |
| Timers | Two 8-bit, One 16-bit | — |
| Communication Interfaces | USART, SPI, I2C (Two-Wire) | — |
| 封装 | 28-VQFN (4x4 mm) with exposed pad | 28-pin VQFN, 4 x 4 mm |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | [DATA_NEEDED: operating temperature range] | — |
| RoHS 状态 | Green (RoHS compliant per Mouser listing) | unknown |
| 生命周期状态 | Active | Active |
| Packaging | Tray | — |
| Product Type | — | 8-bit AVR Microcontroller |
| Maximum Clock Speed | — | 20 MHz |
| Program Memory Organization | — | 16K x 16 |
| General-Purpose I/O Lines | — | 23 lines |
| General-Purpose Working Registers | — | 32 |
| Timer/Counters | — | 3 |
| Serial Interfaces | — | 1 USART and 1 two-wire serial interface |
| 电源电压 | — | 4.5 V to 5.5 V |
| Real-Time Counter | — | Integrated |
| PWM Support | — | Yes, timer/counter compare modes support PWM |
| REACH Status | — | unknown |