ATMEGA1284P-MU vs ATMEGA644PA-MU 比較
詳細並排比較 ATMEGA1284P-MU 由 Microchip Technology 與 ATMEGA644PA-MU 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
ATMEGA1284P-MU - 128KB Flash 8-Bit AVR MCU 20MHz | Microchip
ATMEGA1284P-MU ✓ 啟用中Microchip Technology
ATMEGA644PA-MU - 8-bit AVR MCU 64KB 20MHz VQFN-44 | Microchip
ATMEGA644PA-MU ✓ 啟用中規格比較
| 參數 | ATMEGA1284P-MU | ATMEGA644PA-MU |
|---|---|---|
| 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 | 8-bit AVR RISC |
| Max CPU Clock | 20 MHz | — |
| Flash Memory | 128 KB (64K x 16) ISP, Read-While-Write | 64 KB (32K x 16) ISP Flash, read-while-write |
| EEPROM | 4 KB | 2 KB |
| SRAM | 16 KB | 4 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.5 V / 3.3 V / 5 V class (per distributor listing: 2.5V/3.3V/5V) |
| I/O Lines | 32 general purpose | — |
| USART | 2 | Two programmable serial USARTs |
| Timer/Counters | 3 (with compare modes and PWM) | Three flexible timer/counters with compare modes and PWM |
| Real Time Counter (RTC) | Yes | — |
| 10-bit ADC | 8 channels | — |
| TWI (I2C) | 1, byte-oriented 2-wire | — |
| SPI | 1 | — |
| Watchdog Timer | Yes, programmable with on-chip oscillator | — |
| 封裝 | 44-VQFN (7x7 mm) with Exposed Pad | 44-VQFN (7x7 mm), exposed pad |
| 安裝類型 | Surface Mount | Surface Mount |
| 工作溫度 | [DATA_NEEDED: temperature range for -MU speed grade] | — |
| Programming Interface | ISP via SPI, self-programming boot support | — |
| RoHS 狀態 | Compliant (per Microchip product page) | RoHS compliant (per Microchip product listing) |
| Core Frequency | — | 20 MHz |
| GPIO Count | — | 32 |
| MIPS Throughput | — | Up to 20 MIPS at 20 MHz |
| Instructions | — | 131 instructions, most single-cycle |
| Serial Interfaces | — | Two-Wire Interface (I2C-compatible), SPI |
| ADC | — | 8-channel 10-bit ADC |
| RTC | — | Real Time Counter with separate oscillator |
| Low Power Technology | — | picoPower |
| Data Sheet Document Number | — | DS40002070A (per Microchip ATMEGA644PA-MU data sheet) |