1.2 Features

♦ Universal Serial Bus Specification Revision 2.0 compliant

♦ Built-in USB transceiver

♦ Supports both Hi-Speed (480M bps) and Full-Speed (12M bps)

♦ USB protocol layer by hardware

• Bit stuffing encoding and decoding

• CRC (Cyclic Redundancy Check) generation and checking

• NRZI (Non Return Zero Invert) encoding and decoding

• Packet detection

• USB address checking

♦ Hi-Speed and Full-Speed detection by hardware

♦ Supports the following USB transfer types

• Control transfer (PIPE0)

• Bulk transfer (PIPE1~PIPE4)

• Interrupt transfer (PIPE5~PIPE6)

♦ Built-in FIFO buffer (3.5K bytes) for endpoints

♦ Up to 7 endpoints selectable

♦ Data transfer condition selectable for each PIPE

• Hi-Speed

- PIPE0: Control transfer, continuous transfer mode, 256-byte FIFO

- PIPE1~2: Bulk in or bulk out transfer, 512-byte FIFO, double buffer

- PIPE3~4: Bulk in or bulk out transfer, 512-byte FIFO, single buffer

- PIPE5~6: Interrupt in transfer, 64-byte FIFO, single buffer

• Full-Speed

- PIPE0: Control transfer, continuous transfer mode, 256-byte FIFO

- PIPE1~2: Bulk in or bulk out transfer, continuous transfer mode, 512-byte FIFO, double buffer

- PIPE3~4: Bulk in or bulk out transfer, continuous transfer mode, 512-byte FIFO, single buffer

- PIPE5~6: Interrupt in transfer, 64-byte FIFO, single buffer

♦ Automatic response for Set Address request

♦ Supports the following input frequency

• 12 / 24 / 48MHz

♦ Supports 16-bit CPU I/F and 8/16-bit DMA transfer

♦ Supports separate/multiplex bus

• 16-bit separate/multiplex bus

♦ Supports 8-bit split bus (DMA interface)

♦ USB status output for power management

♦ 1.8V/3.3V interface power supply

M66591GP属于集成电路（IC） > 微控制器。瑞萨科技有限公司制造生产的M66591GP微控制器微控制器产品是相对复杂的用户可编程数字逻辑器件。这些产品与视为微控制器的器件密切相关，两者之间的区别主要体现在制造商选择的用词。不过按照传统，微控制器集成了工作存储器，也更可能包含混合信号外设，并且往往与更简单的软件范例结合使用，旨在重复执行一系列预定义的任务。