ATMEGA644-20PU vs ATMEGA32A-PU Comparaison
Comparaison détaillée côte à côte de ATMEGA644-20PU par Microchip Technology et ATMEGA32A-PU 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
ATMEGA644-20PU - 8-bit AVR MCU 64KB 20MHz DIP-40 | Microchip
ATMEGA644-20PU ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA644-20PU | ATMEGA32A-PU |
|---|---|---|
| Marque | Microchip Technology | Microchip Technology |
| Catégorie | Microcontrollers | Microcontrollers |
| Statut du cycle de vie | Actif | Actif |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $7,40 | $3,85 |
| Core Architecture | 8-bit AVR enhanced RISC | — |
| Program Memory Size | 64 KB (32K x 16) Flash | — |
| Program Memory Type | ISP FLASH (read-while-write) | — |
| SRAM | 4 KB | 2 KB |
| EEPROM | 2 KB | 1 KB |
| Fréquence d'horloge maximale | 20 MHz | 16 MHz |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| General Purpose I/O | 32 I/O lines | — |
| USARTs | 2 | — |
| Timer/Counters | 3 (with compare modes and PWM) | — |
| Serial Interfaces | SPI, TWI (I2C compatible) | — |
| ADC Resolution | 10-bit | — |
| JTAG | Yes (IEEE 1149.1 boundary scan, on-chip debug) | — |
| Sleep Modes | 5 (including power-down, power-save) | — |
| Boîtier | 40-PDIP (0.600 in, 15.24 mm) | 40-pin PDIP (PU) |
| Type de montage | Through-Hole | Through-Hole |
| Température de fonctionnement | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) |
| Statut RoHS | Compliant (Green) | Compliant |
| Architecture | — | AVR 8-bit RISC (modified Harvard) |
| Program Memory (Flash) | — | 32 KB (16K x 16) |
| Instruction Throughput | — | 16 MIPS at 16 MHz |
| Supply Voltage (Vcc) | — | 4.5 V to 5.5 V |
| I/O Pins | — | 32 programmable |
| ADC | — | 8-channel, 10-bit |
| Timers/Counters | — | Two 8-bit, one 16-bit |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| Debug Interface | — | JTAG (IEEE 1149.1) |