ATMEGA1284P-AUR vs ATMEGA644PA-AUR 比較
詳細並排比較 ATMEGA1284P-AUR 由 Microchip Technology 與 ATMEGA644PA-AUR 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-AUR - 8-bit AVR MCU 128KB Flash 20MHz TQFP-44 (Tape & Reel)
ATMEGA1284P-AUR ✓ 啟用中Microchip Technology
ATMEGA644PA-AUR - 8-Bit AVR MCU 64KB Flash 20MHz TQFP-44 | Microchip
ATMEGA644PA-AUR ✓ 啟用中規格比較
| 參數 | ATMEGA1284P-AUR | ATMEGA644PA-AUR |
|---|---|---|
| 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 (Harvard) |
| Program Memory (Flash) | 128 KB | — |
| EEPROM | 4 KB | 2 KB |
| SRAM | 16 KB | 4 KB |
| Maximum CPU Speed | 20 MHz | — |
| Operating Voltage Range | 1.8 V to 5.5 V | — |
| I/O Pins | 32 | — |
| General-Purpose Registers | 32 | — |
| ADC | 10-bit, 8-channel | 8-channel 10-bit |
| USART | 2 | 2 |
| SPI | 1 | — |
| TWI (I2C) | 1 | — |
| Timer/Counters | 2x 8-bit, 2x 16-bit | — |
| PWM Channels | 6 | — |
| 封裝 | TQFP-44 (10x10 mm) | 44-TQFP (10 x 10 mm) |
| 安裝類型 | Surface Mount | Surface Mount |
| 工作溫度 | -40C to +85C (industrial) | — |
| In-System Programming | Yes (SPI) | — |
| JTAG Debug | Yes (IEEE 1149.1) | — |
| Power-Down Current | [DATA_NEEDED: power-down current in nA] | — |
| RoHS 狀態 | Compliant | Compliant (GREEN) |
| MSL 等級 | 3 (per JEDEC J-STD-020) | — |
| Flash Memory (ISP) | — | 64 KB (32K x 16) with read-while-write |
| 最大時脈頻率 | — | 20 MHz |
| Maximum Throughput | — | 20 MIPS (1 MIPS per MHz) |
| Instructions | — | 131 instructions, mostly single-clock cycle |
| Hardware Multiplier | — | On-chip 2-cycle multiplier |
| General Purpose I/O | — | 32 lines |
| Working Registers | — | 32 general purpose |
| Timers/Counters | — | 3 flexible timer/counters with compare modes and PWM |
| Serial Interfaces | — | TWI (I2C-compatible), SPI |
| Real-Time Counter | — | Yes |
| 供應電壓 | — | 2.5 V / 3.3 V / 5 V operation |
| Low Power Technology | — | picoPower |
| Packaging | — | Tape & Reel (T/R) |