ATMEGA329A-MUR vs ATMEGA329P-20AU Comparaison
Comparaison détaillée côte à côte de ATMEGA329A-MUR par Microchip Technology et ATMEGA329P-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
ATMEGA329A-MUR - 8-bit AVR MCU, 32KB Flash, 64-QFN | Microchip
ATMEGA329A-MUR ✓ ActifMicrochip Technology
ATMEGA329P-20AU - 20MHz 8-bit AVR MCU 32KB Flash TQFP-64
ATMEGA329P-20AU ✓ ActifComparaison des spécifications
| Paramètre | ATMEGA329A-MUR | ATMEGA329P-20AU |
|---|---|---|
| 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) | $3,61 | $4,71 |
| Core Architecture | 8-bit AVR RISC | AVR (8-bit RISC, Harvard) |
| Program Memory (Flash) | 32 KB (16K x 16) | 32 KB (16K x 16), In-System Programmable with RWW |
| SRAM | 2 KB | 2 KB (2K x 8) |
| EEPROM | 1 KB | 1 KB |
| Maximum CPU Speed | 20 MHz | — |
| Supply Voltage (Vcc) | 4.5 V to 5.5 V | 2.7 V to 5.5 V (10 MHz max below 4.5 V; 20 MHz requires 4.5-5.5 V) |
| I/O Pins | 32 | — |
| Boîtier | 64-pin QFN (9 x 9 mm) with exposed pad | 64-pin TQFP (14x14 mm, 0.8 mm pitch) |
| On-chip LCD Driver | Yes (segmented LCD) | — |
| ADC | 10-bit | 10-bit, up to 8 single-ended channels |
| Communication | USART, SPI, TWI (I2C-compatible) | — |
| Timers/Counters | 2 x 8-bit, 1 x 16-bit | — |
| Température de fonctionnement | -40 C to +85 C (Industrial) | -40C to +85C (industrial, -A suffix) |
| Type de montage | Surface Mount | Surface Mount |
| Statut RoHS | Compliant ("Green") | Compliant (Pb-free / Green) |
| Instruction Set | 131 instructions, mostly single-cycle | 131 instructions, mostly single-cycle |
| Maximum Clock Speed | — | 20 MHz |
| Throughput | — | Up to 20 MIPS at 20 MHz |
| General-Purpose I/O Pins | — | 54 |
| General-Purpose Working Registers | — | 32 |
| PWM Channels | — | 6 |
| Communication Peripherals | — | 2x USART, 1x TWI (I2C), 1x SPI (also ISP) |
| Debug Interface | — | JTAG (IEEE 1149.1 compliant) |
| Power-Save Modes | — | Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby (picoPower) |
| QTouch Support | — | Yes (peripheral touch controller via library) |