ATMEGA8U2-AU vs ATMEGA32U2-AU Comparison
Detailed side-by-side comparison of ATMEGA8U2-AU by Microchip Technology and ATMEGA32U2-AU 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
ATMEGA32U2-AU - 8-bit AVR USB MCU 32KB Flash 16MHz | Microchip
ATMEGA32U2-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA8U2-AU | ATMEGA32U2-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory (Flash) | 8 KB (4K x 16) | — |
| EEPROM | 512 B | 1 KB |
| SRAM | 512 B | 1 KB |
| Maximum CPU Speed | 16 MHz (16 MIPS) | — |
| Supply Voltage (Vcc) | 2.7 V to 5.5 V | — |
| USB Interface | USB 2.0 Full-Speed (12 Mbps), on-chip transceiver | — |
| General-Purpose I/O | 22 lines | — |
| Timers/Counters | Two 16-bit, plus watchdog | — |
| PWM Channels | 6 | — |
| ADC | 10-bit | — |
| Communication Peripherals | USB, USART/UART, SPI, TWI (I2C) | — |
| Operating Temperature | -40 C to +85 C | [DATA_NEEDED: operating temperature range] |
| Package | 32-pin TQFP (7x7 mm, 0.8 mm pitch) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours) | — |
| RoHS Status | Compliant | Compliant (lead-free AU suffix) |
| Lead-Free | Yes | — |
| Core Size | — | 8-bit |
| Max Clock Frequency | — | 16 MHz |
| Flash Memory | — | 32 KB (16K x 16) ISP |
| General Purpose I/O | — | 22 lines |
| Working Registers | — | 32 |
| Timer/Counters | — | 2 |
| USB | — | Full-Speed USB 2.0 device |
| Programmability | — | In-Circuit Serial Programming (ICSP), read-while-write |
| Operating Supply Voltage | — | [DATA_NEEDED: operating supply voltage range] |
| Debug / Program Interface | — | ICSP via debugWIRE-compatible connector and MPLAB SNAP |