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品牌：Microchip Atmel
类别：ATxmega系列单片机
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品牌：Microchip Atmel
类别：ATxmega系列单片机
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品牌：Microchip Atmel
类别：ATxmega系列单片机
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品牌：Microchip Atmel
类别：ATxmega系列单片机
-
品牌：Microchip Atmel
类别：ATxmega系列单片机
ATXMEGA256A3BU-MH
- 品牌：Microchip Atmel
- 包装：--
- 无铅情况/ROHS: --
- 经营商：科通芯城自营
- 描述：8/16-bit AVR XMEGA A3BU Microcontroller, 256KB Flash, 64-pin, USB Full-speed Device
- 封装：MLF (VQFN) 64M1 64
- 类别：ATxmega系列单片机
| 参数 | 数值 |
|---|---|
| External Bus Interface | 0 |
| Crypto Engine | AES/DES |
| Temp. Range (deg C) | -40 to 85 |
| PWM Channels | 22 |
| I/O Supply Class | 1.6 to 3.6 |
| TWI (I2C) | 2 |
| DRAM Memory | No |
| DAC Channels | 2 |
| NAND Interface | No |
| SRAM (Kbytes) | 16 |
| ADC Speed (ksps) | 2000 |
| Resistive Touch Screen | No |
| DAC Resolution (bits) | 12 |
| Hardware QTouch Acquisition | No |
| Pin Count | 64 |
| Self Program Memory | YES |
| picoPower | Yes |
| Graphic LCD | No |
| USB Speed | Full Speed |
| EEPROM (Bytes) | 4096 |
| USB Interface | Device |
| Temp. Sensor | Yes |
| UART | 6 |
| Ext Interrupts | 49 |
| Analog Comparators | 4 |
| Camera Interface | No |
| Timers | 7 |
| ADC channels | 16 |
| Flash (Kbytes) | 256 Kbytes |
| # of Touch Channels | 16 |
| MPU / MMU | no / no |
| USB Transceiver | 1 |
| Input Capture Channels | 22 |
| FPU | No |
| SPI | 8 |
| Max I/O Pins | 47 |
| CPU | 8-bit AVR |
| Output Compare channels | 22 |
| Operating Voltage (Vcc) | 1.6 to 3.6 |
| 32kHz RTC | Yes |
| Max. Operating Frequency | 32 MHz |
| ADC Resolution (bits) | 12 |
| Video Decoder | No |
| Calibrated RC Oscillator | Yes |
Low power, high performance 8/16-bit AVR microcontroller featuring 256KB self-programming flash program memory, 8KB boot code section, 16KB SRAM, 4096-byte EEPROM, external bus interface, 4-channel DMA controller, 8-channel event system. It also includes dual 12-bit ADC, 2 12-bit DAC channels, 4 analog comparators, AES and DES crypto engines, 7 16-bit timer/counters, 6 USART, 2 SPI, and 2 TWIs, RTC battery backup system, 4-channel DMA controller, and 8-channel event system.
The device can be used in a wide range of applications, such as building, industrial, motor, board, and climate control; hand-held battery applications; factory automation; power tools; HVAC; networking, metering, large home appliances, and optical and medical devices. This ATxmega series features 64-pin packages.
