ATMEGA644P-20MQR vs ATMEGA644-20AU Comparaison
Comparaison détaillée côte à côte de ATMEGA644P-20MQR par Microchip Technology et ATMEGA644-20AU par Microchip Technology. Comparez les spécifications clés, les paramètres électriques, le conditionnement, le statut de cycle de vie, les prix et la disponibilité pour déterminer le meilleur composant pour vos exigences de conception.
Microchip Technology
ATMEGA644-20AU - 8-Bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644-20AU NrndComparaison des spécifications
| Paramètre | ATMEGA644P-20MQR | ATMEGA644-20AU |
|---|---|---|
| Marque | Microchip Technology | Microchip Technology |
| Catégorie | Microcontrollers | Microcontrollers |
| Statut du cycle de vie | NRND | NRND |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $4,30 | $4,96 |
| Core Processor | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Speed (Max Clock) | 20 MHz | — |
| Flash Program Memory | 64 KB (32K x 16) | — |
| SRAM | 4 KB (4K x 8) | 4 KB |
| EEPROM | 2 KB | 2 KB |
| 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 | — |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit successive approximation |
| Communication Interfaces | USART x2, SPI, TWI (I2C) | — |
| Debug Interface | JTAG (on-chip debug, boundary scan) | JTAG (IEEE 1149.1) with on-chip debug |
| Instruction Set | 131 instructions, mostly single-cycle | — |
| Low Power Technology | picoPower | — |
| Température de fonctionnement | -40C to +105C (extended, M grade) | — |
| Boîtier / Format | 44-VQFN (7x7 mm) exposed pad (MLF) | — |
| Type de montage | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| RoHS / Green Status | GREEN, RoHS compliant | — |
| Core Architecture | — | 8-bit AVR RISC |
| Program Memory | — | 64 KB In-System Programmable Flash (32K x 16) |
| Fréquence d'horloge maximale | — | 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 |
| 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) |
| Boîtier | — | 44-TQFP (10x10 mm) |
| Plage de température de fonctionnement | — | -40C to +85C |
| Sleep Modes | — | 6 (Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby) |
| Statut RoHS | — | Compliant |