ATMEGA164P-20AQ vs ATMEGA644-20AU 比較
詳細並排比較 ATMEGA164P-20AQ 由 Microchip Technology 與 ATMEGA644-20AU 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
ATMEGA164P-20AQ - 16KB Flash 8-bit AVR MCU 20MHz TQFP-44 | Microchip
ATMEGA164P-20AQ ✓ 啟用中Microchip Technology
ATMEGA644-20AU - 8-Bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644-20AU Nrnd規格比較
| 參數 | ATMEGA164P-20AQ | ATMEGA644-20AU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 類別 | Microcontrollers | Microcontrollers |
| 生命週期狀態 | 啟用中 | NRND |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Flash Memory | 16 KB (8K x 16) ISP, read-while-write | — |
| EEPROM | 512 B | 2 KB |
| SRAM | 1 KB | 4 KB |
| Maximum CPU Speed | 20 MHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O | 32 lines | — |
| General Purpose Working Registers | 32 | 32 |
| Instruction Set | 131 instructions, mostly single-cycle | — |
| MIPS Throughput | Up to 20 MIPS at 20 MHz | — |
| 封裝 | 44-TQFP (10 x 10 mm) | 44-TQFP (10x10 mm) |
| 工作溫度 | -40C to +85C (extended, A suffix) | — |
| ADC | 10-bit, 8 channels | 8-channel, 10-bit successive approximation |
| Serial Interfaces | USART, SPI, TWI (I2C) | — |
| Low Power Technology | picoPower | — |
| Watchdog Timer | Programmable WDT with separate oscillator | — |
| RoHS 狀態 | Compliant (green package) | Compliant |
| 安裝類型 | Surface Mount | Surface Mount |
| Program Memory | — | 64 KB In-System Programmable Flash (32K x 16) |
| 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 |
| General Purpose I/O Pins | — | 32 |
| USART Interfaces | — | 2 |
| Timer/Counters | — | 2 x 8-bit, 1 x 16-bit with compare and PWM modes |
| Two-Wire Serial Interface | — | 1 (byte-oriented, I2C compatible) |
| SPI Interface | — | 1 (master/slave) |
| 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) |