ATMEGA1284P-MU vs ATMEGA644P-20MU 比較
詳細な並列比較: ATMEGA1284P-MU メーカー: Microchip Technology および ATMEGA644P-20MU メーカー: Microchip Technology。主要仕様、電気的特性、パッケージ、ライフサイクルステータス、価格、在庫状況を比較して、設計要件に最適な部品を判断してください。
Microchip Technology
ATMEGA1284P-MU - 128KB Flash 8-Bit AVR MCU 20MHz | Microchip
ATMEGA1284P-MU ✓ 生産中Microchip Technology
ATMEGA644P-20MU - 8-bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA644P-20MU Nrnd仕様比較
| パラメータ | ATMEGA1284P-MU | ATMEGA644P-20MU |
|---|---|---|
| ブランド | Microchip Technology | Microchip Technology |
| カテゴリ | Microcontrollers | Microcontrollers |
| ライフサイクル状態 | 有効 | NRND |
| 在庫状況 | In Stock | In Stock |
| 単価（USD） | $4.10 | $5.02 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit enhanced RISC |
| Max CPU Clock | 20 MHz | — |
| Flash Memory | 128 KB (64K x 16) ISP, Read-While-Write | 64 KB (32K x 16) |
| EEPROM | 4 KB | 2 KB |
| SRAM | 16 KB | 4 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| I/O Lines | 32 general purpose | — |
| USART | 2 | — |
| Timer/Counters | 3 (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 | — |
| パッケージ | 44-VQFN (7x7 mm) with Exposed Pad | 44-VQFN (7x7 mm) exposed pad |
| 実装タイプ | Surface Mount | Surface Mount |
| 動作温度 | [DATA_NEEDED: temperature range for -MU speed grade] | Industrial range |
| Programming Interface | ISP via SPI, self-programming boot support | — |
| RoHS ステータス | Compliant (per Microchip product page) | Green / RoHS compliant |
| 最大クロック周波数 | — | 20 MHz |
| 電源電圧 | — | 4.5 V to 5.5 V (at 20 MHz) |
| USART Count | — | 2 |
| ADC | — | 10-bit, up to 8 channels |
| Interfaces | — | SPI, TWI (I2C-compatible), USART, JTAG |
| MIPS Rating | — | Up to 20 MIPS (1 MIPS/MHz) |
| Product Status | — | Mature product; not recommended for new designs, replaced by ATmega644PA |