ATMEGA644P-20PU vs ATMEGA1284P-PU 比較
詳細並排比較 ATMEGA644P-20PU 由 Microchip Technology 與 ATMEGA1284P-PU 由 Microchip Technology. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
Microchip Technology
ATMEGA644P-20PU - 8-bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA644P-20PU ✓ 啟用中
規格比較
| 參數 | ATMEGA644P-20PU | ATMEGA1284P-PU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 類別 | Microcontrollers | Microcontrollers |
| 生命週期狀態 | 啟用中 | 啟用中 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Core Size | 8-bit | — |
| Max Clock Frequency | 20 MHz | 20 MHz |
| Flash Memory | 64KB (32K x 16) | 128 KB (64K x 16) ISP Flash |
| SRAM | 4KB | 16 KB |
| EEPROM | 2KB | 4 KB |
| I/O Count | 32 | — |
| ADC Channels | 8 channels, 10-bit | — |
| PWM Channels | 6 | — |
| Timers/Counters | 3 | — |
| Communication Interfaces | I2C, SPI, UART/USART (2 x USART) | — |
| Supply Voltage (max speed) | 5 V (4.5V to 5.5V) | — |
| 工作溫度 | -40C to +85C | — |
| 封裝 | 40-PDIP (0.600 inch width) | 40-PDIP (through-hole) |
| 安裝類型 | Through Hole | Through Hole |
| Program Memory Type | ISP FLASH (read-while-write) | — |
| Technology | picoPower low-power CMOS | — |
| RoHS 狀態 | [DATA_NEEDED: RoHS compliance status] | — |
| MSL 等級 | N/A (through-hole) | — |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| GPIO Count | — | 32 general purpose I/O lines |
| ADC | — | 8-channel 10-bit |
| USART Count | — | 2 |
| Timer/Counters | — | 3 with compare modes and PWM |
| Serial Interfaces | — | 2x USART, TWI (I2C-compatible), SPI |
| Special Features | — | picoPower, Real Time Counter, Read-While-Write Flash |
| Instruction Set Throughput | — | Up to 1 MIPS per MHz |
| Working Registers | — | 32 general purpose |
| 生命週期狀態 | — | Active |