ATMEGA644-20AU vs ATMEGA644P-20MQR Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng ATMEGA644-20AU sa pamamagitan ng Microchip Technology at ATMEGA644P-20MQR sa pamamagitan ng Microchip Technology. Ikinahambing ang mga pangunahing paglalarawan, mga tama ng elektriko, paakay, kalagayan ng buhay, presyo, at pagkakaroon upang makita ang pinakamahusay na komponente para sa iyong mga kinakailangang pang disenyo.
Microchip Technology
ATMEGA644-20AU - 8-Bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644-20AU Nrnd
Pagsanggunian na paghahambing
| Parametro | ATMEGA644-20AU | ATMEGA644P-20MQR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Kategorya | Microcontrollers | Microcontrollers |
| Katayuan ng Lifecycle | NRND | NRND |
| Core Architecture | 8-bit AVR RISC | — |
| Program Memory | 64 KB In-System Programmable Flash (32K x 16) | — |
| SRAM | 4 KB | 4 KB (4K x 8) |
| EEPROM | 2 KB | 2 KB |
| Maksimum na Taktiko ng Oras | 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 | — |
| ADC | 8-channel, 10-bit successive approximation | 8-channel, 10-bit |
| 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) | — |
| Packhaging | 44-TQFP (10x10 mm) | — |
| Uri ng Pagpapasok | Surface Mount | Surface Mount |
| Hanay ng Temperature na Operasyon | -40C to +85C | — |
| Debug Interface | JTAG (IEEE 1149.1) with on-chip debug | JTAG (on-chip debug, boundary scan) |
| Sleep Modes | 6 (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby) | — |
| Tindminan RoHS | Compliant | — |
| Core Processor | — | AVR 8-bit RISC |
| Core Size | — | 8-bit |
| Speed (Max Clock) | — | 20 MHz |
| Flash Program Memory | — | 64 KB (32K x 16) |
| Number of I/O | — | 32 |
| Supply Voltage (VCC) | — | 4.5 V to 5.5 V (at 20 MHz) |
| Oscillator Type | — | Internal |
| USART Count | — | 2 (P variant dual USART) |
| Timers | — | Two 8-bit, one 16-bit |
| Communication Interfaces | — | USART x2, SPI, TWI (I2C) |
| Instruction Set | — | 131 instructions, mostly single-cycle |
| Low Power Technology | — | picoPower |
| Temperature na Operasyon | — | -40C to +105C (extended, M grade) |
| Packhaging / Kaso | — | 44-VQFN (7x7 mm) exposed pad (MLF) |
| Packaging | — | Tape & Reel (TR) |
| RoHS / Green Status | — | GREEN, RoHS compliant |