ATMEGA644A-MUR vs ATMEGA164A-MU 比較
詳細並排比較 ATMEGA644A-MUR 由 Microchip Technology 與 ATMEGA164A-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
ATMEGA644A-MUR - 8-bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644A-MUR ✓ 啟用中Microchip Technology
ATMEGA164A-MU - 8-bit AVR MCU 16KB Flash 20MHz VQFN-44 | Microchip
ATMEGA164A-MU ✓ 啟用中規格比較
| 參數 | ATMEGA644A-MUR | ATMEGA164A-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 | AVR enhanced RISC, 8-bit | AVR 8-bit RISC |
| Flash Memory | 64 KB (32K x 16) ISP Flash with read-while-write | — |
| SRAM | 4 KB | 1 KB |
| EEPROM | 2 KB | 512 B |
| 最大時脈頻率 | 20 MHz | 20 MHz |
| CPU Throughput | Up to 20 MIPS at 20 MHz (1 MIPS per MHz) | — |
| General Purpose I/O | 32 I/O lines | 32 I/O lines |
| Working Registers | 32 x 8-bit general purpose | — |
| USART Channels | 2 | — |
| Timers/Counters | 3 flexible timers with compare modes and PWM | — |
| Serial Interfaces | TWI (I2C-compatible), SPI, 2x USART | — |
| Real-Time Counter | Yes | — |
| 封裝 | 44-VQFN (7x7 mm) exposed pad | 44-VQFN (7x7 mm) with exposed pad |
| 工作溫度 | Industrial, -40C to +85C | -40C to +85C (industrial) |
| Supply Voltage Options | 2.5 V / 3.3 V / 5 V | — |
| Supply Voltage Range | [DATA_NEEDED: exact VCC min/max per datasheet table] | 2.7 V to 5.5 V |
| On-Chip Debug | JTAG | — |
| RoHS 狀態 | Compliant | — |
| 安裝類型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (R suffix) | — |
| Program Memory (FLASH) | — | 16 KB (8K x 16) ISP |
| Throughput | — | Up to 20 MIPS (approx. 1 MIPS per MHz) |
| Instruction Set | — | 133 powerful instructions, most single-cycle |
| General Purpose Registers | — | 32 |
| ADC | — | 10-bit ADC (per family datasheet) |
| Peripherals | — | Real-time counter, timers/PWM, WDT, brown-out detection |
| Programming Interface | — | ISP (In-System Programmable), read-while-write |
| Life Cycle Stage | — | Active |