ATMEGA3290V-8AU vs ATMEGA3290P-20AUR Comparison
Detailed side-by-side comparison of ATMEGA3290V-8AU by Microchip Technology and ATMEGA3290P-20AUR by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATMEGA3290V-8AU - 8MHz AVR MCU 32KB Flash LCD | Microchip
ATMEGA3290V-8AU ✓ ActiveMicrochip Technology
ATMEGA3290P-20AUR - AVR 8-Bit MCU 32KB 20MHz | Microchip
ATMEGA3290P-20AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA3290V-8AU | ATMEGA3290P-20AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-bit | — |
| Speed | 8 MHz | — |
| Program Memory Type | FLASH | — |
| Program Memory Size | 32 KB (16K x 16) | — |
| EEPROM Size | 1 KB | — |
| RAM Size | 2 KB | — |
| Number of I/O | 69 | — |
| I/O Ports | 32 | — |
| Instructions | 131 (most single-cycle) | — |
| Peripherals | LCD controller, Brown-out Detect/Reset, POR, PWM, WDT | — |
| ADC Resolution | 10-bit | — |
| Connectivity | SPI, UART/USART, TWI (I2C) | — |
| Package | 100-TQFP (14 x 14 mm), 0.8 mm pitch | 100-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Supply Voltage Range | 1.8 V to 5.5 V (V grade) | 2.7 V to 5.5 V |
| Operating Temperature | -40C to +85C (AU industrial grade) | -40C to +85C (industrial) |
| Lifecycle Status | ACTIVE | — |
| Oscillator Type | Internal + External | — |
| Core Architecture | — | AVR 8-bit RISC CMOS |
| Program Memory (Flash) | — | 32 KB (16K x 16) ISP, read-while-write |
| SRAM | — | 2 KB |
| EEPROM | — | 1 KB |
| Maximum Clock Frequency | — | 20 MHz |
| Peak Performance | — | 20 MIPS (approx. 1 MIPS/MHz) |
| Instruction Set | — | 130 instructions, most single-cycle |
| General-Purpose I/O | — | 69 lines |
| Working Registers | — | 32 |
| LCD Controller | — | Yes, on-chip segment LCD driver |
| Debug / Programming | — | JTAG on-chip debug, ICSP self-programming |
| Low-Power Technology | — | picoPower |
| Packing | — | Tape & Reel (R suffix) |
| RoHS Status | — | Green / RoHS compliant per distributor data |