ATMEGA644P-20MQ vs ATMEGA644P-20MQR तुलना
विस्तृत दोनों ओर की तुलना ATMEGA644P-20MQ द्वारा Microchip Technology और ATMEGA644P-20MQR 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-20MQ - 8-bit AVR MCU 64KB 20MHz VQFN-44 | Microchip
ATMEGA644P-20MQ Nrndविशेषता तुलना
| पैरामीटर | ATMEGA644P-20MQ | ATMEGA644P-20MQR |
|---|---|---|
| ब्रांड | Microchip Technology | Microchip Technology |
| श्रेणी | Microcontrollers | Microcontrollers |
| लाइफसाइकिल स्थिति | NRND | NRND |
| 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) | 64 KB (32K x 16) |
| SRAM | 4 KB (4,096 bytes) | 4 KB (4K x 8) |
| EEPROM | 2 KB (2,048 bytes) | 2 KB |
| Operating Voltage | 5 V | — |
| Number of I/O | 32 | 32 |
| Digital Communication Peripherals | 2 UART | — |
| Oscillator Type | Internal | Internal |
| Instructions | 131 powerful instructions, most single-cycle | — |
| पैकेज | 44-VQFN (7x7 mm) with exposed pad | — |
| माउंटिंग प्रकार | Surface Mount | Surface Mount |
| Temperature Grade | Industrial, extended temperature | — |
| Packaging | Tape & Reel (TR) | 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 8-bit RISC |
| Core Size | — | 8-bit |
| Speed (Max Clock) | — | 20 MHz |
| Supply Voltage (VCC) | — | 4.5 V to 5.5 V (at 20 MHz) |
| USART Count | — | 2 (P variant dual USART) |
| Timers | — | Two 8-bit, one 16-bit |
| ADC | — | 8-channel, 10-bit |
| Communication Interfaces | — | USART x2, SPI, TWI (I2C) |
| Debug Interface | — | JTAG (on-chip debug, boundary scan) |
| Instruction Set | — | 131 instructions, mostly single-cycle |
| Low Power Technology | — | picoPower |
| ऑपरेटिंग तापमान | — | -40C to +105C (extended, M grade) |
| पैकेज / केस | — | 44-VQFN (7x7 mm) exposed pad (MLF) |
| RoHS / Green Status | — | GREEN, RoHS compliant |