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基于AT32UC3A EVK1105设计的32位MCU开发技术
发布时间:2018-07-25 阅读：次 [打印文章] [关闭窗口]
– SDRAM / SRAM Compatible Memory Bus (16-bit Data and 24-bit Address Buses)
• Interrupt Controller
– Autovectored Low Latency Interrupt Service with Programmable Priority
&0603电感#8226; System Functions
– Power and Clock Manager Including Internal RC Clock and One 32KHz Oscillator
– Two Multipurpose Oscillators and Two Phase-Lock-Loop (PLL) allowing Independant CPU Frequency from USB Frequency
– Watchdog Timer, Real-Time Clock Timer
• Universal Serial Bus (USB)
– Device 2.0 Fu大电流电感ll Speed and On-The-Go (OTG) Low Speed and Full Speed
– Flexible End-Point Configuration and Management with Dedicated DMA Channels
– On-chip Transceivers Including Pull-Ups
• Ethernet MAC 10/100 Mbps interface
– 802.3 Ethernet Media Access Controller
– Supports Media Independent Interface (MII) and Reduced MII (RMII)
• One Three-Channel 16-bit Timer/Counter (TC)
– Three External Clock Inputs, PWM, Capture and Various Counting Capabilities
• One 7-Channel 16-bit Pulse Width Modulation Controller (PWM)
• Four Universal Synchronous/Asynchronous Receiver/Transmitters (USART)
– Independant Baudrate Generator, Support for SPI, IrDA and ISO7816 interfaces
– Support for Hardware Handshaking, RS485 Interfaces and Modem Line
• Two Master/Slave Serial Peripheral Interfaces (SPI) with Chip Select Signals
共模电感器226; One Synchronous Serial Protocol Controller Supports I2S and Generic Frame-Based Protocols
• One Master/Slave Two-Wire Interface (TWI), 400kbit/s I2C-compatible
• One 8-channel 10-bit Analog-To-Digital Converter
• 16-bit Stereo Audio Bitstream
– Sample Rate Up to 50 KHz
&贴片电感#8226; On-Chip Debug System (JTAG interface)
– Nexus Class 2+, Runtime Control, Non-Intrusive Data and Program Trace
• 100-pin TQFP (69 GPIO pins), 144-pin LQFP (109 GPIO pins) , 144 BGA (109 GPIO pins)
• 5V Input Tolerant I/Os
• Single 3.3V Power Supply or Dual 1.8V-3.3V Power Supply
图1.AT32UC3A方框图
32位AVR EVK1105评估板
The 32-bit AVR EVK1105 is an evaluation kit for the AT32UC3A0512 which demonstrates Atmels state-of-the-art 32-bit AVR microcontroller in Hi-Fi audio decoding and s模压电感treaming applications. The kit contains reference hardware and software for generic MP3 player docking stations.
图2.32位AVR EVK1105评估板外形图
32位AVR EVK1105评估板电路图和BOM:
图3.32位AVR EVK1105评估板电路图(1)
图4.32位AVR EVK1105评估板电路图(2)
图5.32位AVR EVK1105评估板电路图(3)
图6.32位AVR EVK1105评估板电路图(4)
图7.32位AVR EVK1105评估板电路图(5)
图8.32位AVR EVK1105评估板电路图(6)
图9.32位AVR EVK1105评估板电路图(7)
图10.32位AVR EVK1105评估板电路图(8)
图11.32位AVR EVK1105评估板电路图(9)
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