ATMEGA1284P-PU vs ATMEGA644P-20PU 比較
詳細並排比較 ATMEGA1284P-PU 由 Microchip Technology 與 ATMEGA644P-20PU 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 | ATMEGA1284P-PU | ATMEGA644P-20PU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 類別 | Microcontrollers | Microcontrollers |
| 生命週期狀態 | 啟用中 | 啟用中 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Flash Memory | 128 KB (64K x 16) ISP Flash | 64KB (32K x 16) |
| SRAM | 16 KB | 4KB |
| EEPROM | 4 KB | 2KB |
| Max Clock Frequency | 20 MHz | 20 MHz |
| 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 | — |
| 封裝 | 40-PDIP (through-hole) | 40-PDIP (0.600 inch width) |
| 安裝類型 | Through Hole | Through Hole |
| 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 | — |
| Core Size | — | 8-bit |
| 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 |
| 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) |