ATMEGA644A-AUR vs ATMEGA644-20AU Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng ATMEGA644A-AUR sa pamamagitan ng Microchip Technology at ATMEGA644-20AU 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
ATMEGA644A-AUR - 8-bit AVR MCU 64KB Flash 20MHz TQFP-44 | Microchip
ATMEGA644A-AUR ✓ NakahandaMicrochip Technology
ATMEGA644-20AU - 8-Bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644-20AU NrndPagsanggunian na paghahambing
| Parametro | ATMEGA644A-AUR | ATMEGA644-20AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Kategorya | Microcontrollers | Microcontrollers |
| Katayuan ng Lifecycle | Aktibo | NRND |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max Clock Frequency | 20 MHz | — |
| Flash Memory | 64 KB (32K x 16), In-System Programmable, Read-While-Write | — |
| SRAM | 4 KB | 4 KB |
| EEPROM | 2 KB | 2 KB |
| I/O Lines | 32 general purpose | — |
| USART | 2 programmable serial USARTs | — |
| 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, optional differential input | 8-channel, 10-bit successive approximation |
| Serial Interfaces | 2-wire (TWI/I2C), SPI, 2x USART | — |
| Real Time Counter | Yes (RTC) | — |
| Packhaging | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) |
| Uri ng Pagpapasok | Surface Mount | Surface Mount |
| Temperature na Operasyon | Industrial temperature range | — |
| Volte ng Pagbibigay | [DATA_NEEDED: supply voltage range] | — |
| Tindminan RoHS | Compliant | Compliant |
| Life Cycle Stage | ACTIVE | — |
| Program Memory | — | 64 KB In-System Programmable Flash (32K x 16) |
| 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 |
| USART Interfaces | — | 2 |
| Two-Wire Serial Interface | — | 1 (byte-oriented, I2C compatible) |
| SPI Interface | — | 1 (master/slave) |
| 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) |