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| PartNumber | ATXMEGA16A4U-MH | ATXMEGA16A4U-M7R | ATXMEGA16A4U-M7 |
| Description | 8-bit Microcontrollers - MCU AVR8 16KB FLSH 2KB | 8-bit Microcontrollers - MCU AVR XMEGA, 16KB FLASH, 1KB EE, 2KB - 44QFN, 105C TEMP, GREEN, 1.6-3.6V, T&R | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR XMEGA, 16KB FLASH, 1KB EE, 2KB - 44QFN, 105C TEMP, GREEN, 1.6-3.6V |
| Manufacturer | Microchip | Microchip | Atmel |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | QFN-44 | - | - |
| Series | XMEGA A4U | XMEGA A4U | AVRR XMEGAR A4U |
| Core | AVR | - | - |
| Data Bus Width | 8 bit/16 bit | - | - |
| Maximum Clock Frequency | 32 MHz | - | - |
| Program Memory Size | 16 kB | - | 16KB (8K x 16) |
| Data RAM Size | 2 kB | - | - |
| Number of I/Os | 34 I/O | - | - |
| Operating Supply Voltage | 1.6 V to 3.6 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | - | Tray Alternate Packaging |
| Product | MCU | - | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Data ROM Size | 1 kB | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of Timers/Counters | 5 Timer | - | - |
| Processor Series | AVR XMEGA | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 360 | 360 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Tradename | XMEGA | XMEGA | - |
| Unit Weight | 0.013051 oz | - | - |
| Package Case | - | - | 44-VFQFN Exposed Pad |
| Operating Temperature | - | - | 0°C ~ 105°C (TA) |
| Supplier Device Package | - | - | 44-VQFN (7x7) |
| Number of I O | - | - | 34 |
| Speed | - | - | 32MHz |
| EEPROM Size | - | - | 1K x 8 |
| Core Processor | - | - | AVR |
| RAM Size | - | - | 2K x 8 |
| Program Memory Type | - | - | FLASH |
| Peripherals | - | - | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Connectivity | - | - | I2C, IrDA, SPI, UART/USART, USB |
| Voltage Supply Vcc Vdd | - | - | 1.6 V ~ 3.6 V |
| Core Size | - | - | 8/16-Bit |
| Data Converters | - | - | A/D 12x12b, D/A 2x12b |
| Oscillator Type | - | - | Internal |