ATMEGA644P-20MQ vs ATMEGA164P-20MQ 比較
詳細並排比較 ATMEGA644P-20MQ 由 Microchip Technology 與 ATMEGA164P-20MQ 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-20MQ - 8-bit AVR MCU 64KB 20MHz VQFN-44 | Microchip
ATMEGA644P-20MQ NrndMicrochip Technology
ATMEGA164P-20MQ - 8-Bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA164P-20MQ ✓ 啟用中規格比較
| 參數 | ATMEGA644P-20MQ | ATMEGA164P-20MQ |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 類別 | Microcontrollers | Microcontrollers |
| 生命週期狀態 | NRND | 啟用中 |
| Core Architecture | AVR 8-bit RISC | — |
| CPU Speed | 20 MHz | — |
| Throughput | Up to 20 MIPS (1 MIPS per MHz) | — |
| Flash Program Memory | 64 KB (32K x 16) | — |
| SRAM | 4 KB (4,096 bytes) | 1 KB |
| EEPROM | 2 KB (2,048 bytes) | 512 B |
| Operating Voltage | 5 V | — |
| Number of I/O | 32 | 32 |
| Digital Communication Peripherals | 2 UART | — |
| Oscillator Type | Internal | — |
| Instructions | 131 powerful instructions, most single-cycle | — |
| 封裝 | 44-VQFN (7x7 mm) with exposed pad | 44-VQFN (7x7 mm) with Exposed Pad |
| 安裝類型 | Surface Mount | Surface Mount |
| Temperature Grade | Industrial, extended temperature | — |
| Packaging | Tape & Reel (TR) | — |
| Technology Feature | picoPower low-power, green/RoHS | — |
| Programming | ICSP via 2 I/O pins + reset, MPLAB SNAP compatible | — |
| Lifecycle | Mature; NRND - replaced by ATmega644PA | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 20 MHz |
| Flash Memory | — | 16 KB (8K x 16) |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| USART | — | 2 |
| ADC | — | 8-channel 10-bit |
| Timers | — | 3 (with compare modes and PWM) |
| Two-Wire Interface (TWI/I2C) | — | Yes |
| SPI | — | Yes |
| 工作溫度 | — | -40C to +85C (extended) |
| Technology | — | picoPower |
| RoHS 狀態 | — | Compliant (Green) |