ATMEGA644A-AU vs ATMEGA644-20AU तुलना
विस्तृत दोनों ओर की तुलना ATMEGA644A-AU द्वारा Microchip Technology और ATMEGA644-20AU द्वारा Microchip Technology. मुख्य विशेषताओं, इलेक्ट्रिकल पैरामीटर, पैकेजिंग, चक्र स्थिति, मूल्यांकन और उपलब्धता को तुलना करके अपनी डिजाइन की आवश्यकताओं के लिए सबसे अच्छा घटक निर्धारित करें。
Microchip Technology
ATMEGA644A-AU - 8-bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA644A-AU ✓ सक्रियMicrochip Technology
ATMEGA644-20AU - 8-Bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644-20AU Nrndविशेषता तुलना
| पैरामीटर | ATMEGA644A-AU | ATMEGA644-20AU |
|---|---|---|
| ब्रांड | Microchip Technology | Microchip Technology |
| श्रेणी | Microcontrollers | Microcontrollers |
| लाइफसाइकिल स्थिति | सक्रिय | NRND |
| Core Architecture | 8-bit AVR enhanced RISC | 8-bit AVR RISC |
| Program Memory Size | 64 KB Flash (32K x 16) | — |
| Program Memory Type | ISP FLASH with Read-While-Write | — |
| EEPROM | 2 KB | 2 KB |
| SRAM | 4 KB | 4 KB |
| Maximum CPU Speed | 20 MHz (20 MIPS) | — |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| General Purpose I/O | 32 lines | — |
| Working Registers | 32 general purpose registers | — |
| USART | 2 | — |
| Timer/Counters | 3 (with compare modes and PWM) | 2 x 8-bit, 1 x 16-bit with compare and PWM modes |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit successive approximation |
| Serial Interfaces | TWI (2-wire, I2C-compatible), SPI | — |
| Real Time Counter | Yes (RTC) | — |
| पैकेज | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) |
| माउंटिंग प्रकार | Surface Mount | Surface Mount |
| ऑपरेटिंग तापमान | -40C to +85C (Industrial) | — |
| Device Series | ATmega644A | — |
| Program Memory | — | 64 KB In-System Programmable Flash (32K x 16) |
| अधिकतम क्लॉक फ़्रीक्वेंसी | — | 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 |
| General Purpose Working Registers | — | 32 |
| USART Interfaces | — | 2 |
| Two-Wire Serial Interface | — | 1 (byte-oriented, I2C compatible) |
| SPI Interface | — | 1 (master/slave) |
| ऑपरेटिंग तापमान रेंज | — | -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 स्थिति | — | Compliant |