ATMEGA32U2-AU vs ATMEGA16U2-AU Comparison
Detailed side-by-side comparison of ATMEGA32U2-AU by Microchip Technology and ATMEGA16U2-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 β ActiveMicrochip Technology
ATMEGA16U2-AU - 8-bit AVR USB MCU 16KB Flash 16MHz TQFP-32 | Microchip
ATMEGA16U2-AU β ActiveSpecification Comparison
| Parameter | ATMEGA32U2-AU | ATMEGA16U2-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.75 | $1.86 |
| Core Architecture | 8-bit AVR RISC | β |
| Core Size | 8-bit | 8-bit |
| Max Clock Frequency | 16 MHz | β |
| Flash Memory | 32 KB (16K x 16) ISP | 16 KB (8K x 16) |
| EEPROM | 1 KB | 512 B |
| SRAM | 1 KB | 512 B |
| General Purpose I/O | 22 lines | 22 I/O lines |
| Working Registers | 32 | β |
| Timer/Counters | 2 | β |
| USB | Full-Speed USB 2.0 device | β |
| Programmability | In-Circuit Serial Programming (ICSP), read-while-write | β |
| Operating Supply Voltage | [DATA_NEEDED: operating supply voltage range] | β |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C |
| Package | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Debug / Program Interface | ICSP via debugWIRE-compatible connector and MPLAB SNAP | β |
| RoHS Status | Compliant (lead-free AU suffix) | β |
| Core Processor | β | AVR 8-bit RISC |
| Speed | β | 16 MHz |
| USB Controller | β | USB 2.0 full-speed device |
| UART/USART | β | 1 x USART |
| Timers/Counters | β | 2 (one 8-bit, one 16-bit) |
| Operating Voltage | β | 2.7 V to 5.5 V |
| Oscillator Type | β | Internal (calibrated RC) and external |
| Programming Interface | β | ISP, ICSP, USB DFU bootloader |
| Peripherals | β | Brown-out Detect/Reset, POR, PWM, WDT, SPI, TWI |