ATMEGA644-20AU vs ATMEGA644A-AU Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng ATMEGA644-20AU sa pamamagitan ng Microchip Technology at ATMEGA644A-AU 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 NrndMicrochip Technology
ATMEGA644A-AU - 8-bit AVR MCU 20MHz 64KB Flash | Microchip
ATMEGA644A-AU ✓ NakahandaPagsanggunian na paghahambing
| Parametro | ATMEGA644-20AU | ATMEGA644A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Kategorya | Microcontrollers | Microcontrollers |
| Katayuan ng Lifecycle | NRND | Aktibo |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR enhanced RISC |
| Program Memory | 64 KB In-System Programmable Flash (32K x 16) | — |
| SRAM | 4 KB | 4 KB |
| 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 | 3 (with compare modes and PWM) |
| Two-Wire Serial Interface | 1 (byte-oriented, I2C compatible) | — |
| SPI Interface | 1 (master/slave) | — |
| Packhaging | 44-TQFP (10x10 mm) | 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 | — |
| Sleep Modes | 6 (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby) | — |
| Tindminan RoHS | Compliant | — |
| Program Memory Size | — | 64 KB Flash (32K x 16) |
| Program Memory Type | — | ISP FLASH with Read-While-Write |
| 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 |
| Serial Interfaces | — | TWI (2-wire, I2C-compatible), SPI |
| Real Time Counter | — | Yes (RTC) |
| Temperature na Operasyon | — | -40C to +85C (Industrial) |
| Device Series | — | ATmega644A |