ATMEGA644P-15AT vs ATMEGA644P-20AU तुलना
विस्तृत दोनों ओर की तुलना ATMEGA644P-15AT द्वारा Microchip Technology और ATMEGA644P-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
ATMEGA644P-15AT - 8-bit AVR MCU 64KB Flash 16MHz TQFP-44 | Microchip
ATMEGA644P-15AT ObsoleteMicrochip Technology
ATMEGA644P-20AU - 8-Bit AVR MCU 20MHz 64KB Flash TQFP-44 | Microchip
ATMEGA644P-20AU ✓ सक्रियविशेषता तुलना
| पैरामीटर | ATMEGA644P-15AT | ATMEGA644P-20AU |
|---|---|---|
| ब्रांड | Microchip Technology | Microchip Technology |
| श्रेणी | Microcontrollers | Microcontrollers |
| लाइफसाइकिल स्थिति | Obsolete | सक्रिय |
| Core Architecture | AVR 8-bit enhanced RISC | — |
| Program Memory (Flash) | 64 KB (32K x 16) | — |
| SRAM | 4 KB | — |
| EEPROM | 2 KB | — |
| अधिकतम क्लॉक फ़्रीक्वेंसी | 16 MHz (at 5V) | 20 MHz |
| Throughput | Up to 1 MIPS per MHz (16 MIPS peak) | Up to 20 MIPS at 20 MHz (approx. 1 MIPS/MHz) |
| Operating Voltage (VCC) | 2.7 V to 5.5 V | — |
| General-Purpose I/O Lines | 32 | — |
| ADC | 8-channel, 10-bit, with differential mode | — |
| USART | 2 (dual USART, 'P' variant) | — |
| SPI | 1 master/slave | — |
| TWI (I2C) | 1 byte-oriented | — |
| Timer/Counters | 3 with PWM and compare modes | — |
| Watchdog Timer | Yes, programmable | — |
| पैकेज | 44-pin TQFP (10x10 mm) | 44-TQFP (10x10 mm) |
| माउंटिंग प्रकार | Surface Mount | Surface Mount |
| ऑपरेटिंग तापमान | -40C to +85C (industrial) | -40C to +85C (industrial) |
| AEC-Q100 Qualification | Grade 1 | — |
| RoHS स्थिति | Compliant | Compliant (green package) |
| In-System Programmable | Yes (Flash, Read-While-Write) | — |
| picoPower Technology | Yes | — |
| Core | — | AVR 8-bit RISC |
| Core Size | — | 8-Bit |
| Program Memory Size | — | 64 KB (32K x 16) FLASH |
| Data RAM Size | — | 4 KB SRAM |
| EEPROM Size | — | 2 KB |
| Supply Voltage Range | — | 4.5 V to 5.5 V (20 MHz grade) |
| Number of USARTs | — | 2 |
| ADC Resolution | — | 10-bit |
| Peripherals | — | SPI, TWI (I2C), PWM timers, WDT, BOD |
| I/O Count | — | 32 |
| Programming | — | In-System Programmable (ISP) via SPI |