8/16-bit AVR RISC microcontroller featuring 256KB Flash program memory and 16KB RAM. This surface-mount device operates at up to 32 MHz with a 64-pin VQFN EP package (9x9x0.88mm) and 0.5mm pin pitch. Includes dual ADCs with 8 channels each, a single 12-bit DAC, and multiple interfaces including 6 USARTs and 2 SPIs. Supports 1.8V, 2.5V, and 3.3V operation with a maximum supply voltage of 3.6V and an operating temperature range of -40°C to 85°C.
PackageVQFN EP
MountingSurface Mount
Quick Jump:
Technical Specifications
Microchip ATxmega256A3B-MH technical specifications.
General
| Basic Package Type | Non-Lead-Frame SMT |
| Package Family Name | QFN |
| Package/Case | VQFN EP |
| Package Description | Very Thin Quad Flat No Lead Package, Exposed Pad |
| Lead Shape | No Lead |
| Pin Count | 64 |
| PCB | 64 |
| Package Length (mm) | 9 |
| Package Width (mm) | 9 |
| Package Height (mm) | 0.88 |
| Seated Plane Height (mm) | 0.9 |
| Pin Pitch (mm) | 0.5 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Family Name | XMEGA |
| Data Bus Width | 8|16bit |
| Instruction Set Architecture | RISC |
| Maximum Clock Rate | 32MHz |
| Maximum CPU Frequency | 32MHz |
| Device Core | AVR |
| Program Memory Type | Flash |
| Program Memory Size | 256KB |
| RAM Size | 16KB |
| Number of Programmable I/Os | 49 |
| Core Architecture | AVR |
| Programmability | Yes |
| Number of Timers | 7 |
| Interface Type | 2-Wire/SPI/USART |
| CAN | 0 |
| I2C | 0 |
| SPI | 2 |
| Ethernet | 0 |
| UART | 0 |
| USART | 6 |
| USB | 0 |
| I2S | 0 |
| Max Operating Supply Voltage | 3.6V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| ADC Channels | 8/8 |
| Number of ADCs | Dual |
| DAC Channels | 2 |
| DAC Resolution | 12bit |
| Number of DACs | Single |
Compliance
| Cage Code | 60991 |
| EU RoHS | Yes |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| ECCN | 5A992.c |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
Datasheet
Microchip ATxmega256A3B-MH Datasheet
Download the complete datasheet for Microchip ATxmega256A3B-MH to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.