ATMEGA644P-20MQ vs ATMEGA644P-20MQR Comparaison
Comparaison détaillée côte à côte de ATMEGA644P-20MQ par Microchip Technology et ATMEGA644P-20MQR 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
ATMEGA644P-20MQ - 8-bit AVR MCU 64KB 20MHz VQFN-44 | Microchip
ATMEGA644P-20MQ NrndComparaison des spécifications
| Paramètre | ATMEGA644P-20MQ | ATMEGA644P-20MQR |
|---|---|---|
| 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) | $2,48 | $4,30 |
| 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 | — |
| Boîtier | 44-VQFN (7x7 mm) with exposed pad | — |
| Type de montage | 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 |
| Température de fonctionnement | — | -40C to +105C (extended, M grade) |
| Boîtier / Format | — | 44-VQFN (7x7 mm) exposed pad (MLF) |
| RoHS / Green Status | — | GREEN, RoHS compliant |