ATMEGA644-20AU vs ATMEGA1284P-AU 比較
詳細並排比較 ATMEGA644-20AU 由 Microchip Technology 與 ATMEGA1284P-AU 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
ATMEGA644-20AU - 8-Bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644-20AU Nrnd規格比較
| 參數 | ATMEGA644-20AU | ATMEGA1284P-AU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 類別 | Microcontrollers | Microcontrollers |
| 生命週期狀態 | NRND | 啟用中 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory | 64 KB In-System Programmable Flash (32K x 16) | — |
| SRAM | 4 KB | 16 KB |
| EEPROM | 2 KB | 4 KB |
| 最大時脈頻率 | 20 MHz | — |
| Throughput | Up to 20 MIPS at 20 MHz | — |
| Operating Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O Pins | 32 | — |
| General Purpose Working Registers | 32 | — |
| ADC | 8-channel, 10-bit successive approximation | 10-bit, 8-channel |
| USART Interfaces | 2 | — |
| Timer/Counters | 2 x 8-bit, 1 x 16-bit with compare and PWM modes | 2x 8-bit, 2x 16-bit |
| Two-Wire Serial Interface | 1 (byte-oriented, I2C compatible) | — |
| SPI Interface | 1 (master/slave) | — |
| 封裝 | 44-TQFP (10x10 mm) | TQFP-44 (10x10 mm) |
| 安裝類型 | Surface Mount | Surface Mount |
| 工作溫度範圍 | -40C to +85C | — |
| Debug Interface | JTAG (IEEE 1149.1) with on-chip debug | — |
| Sleep Modes | 6 (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby) | — |
| RoHS 狀態 | Compliant | Compliant |
| Program Memory (Flash) | — | 128 KB |
| Maximum CPU Speed | — | 20 MHz |
| I/O Pins | — | 32 |
| General-Purpose Registers | — | 32 |
| USART | — | 2 |
| SPI | — | 1 |
| TWI (I2C) | — | 1 |
| PWM Channels | — | 6 |
| 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] |
| MSL 等級 | — | 3 (per JEDEC J-STD-020) |