Features

• • Turbo 8-bit 8051 compatible CPU with 24 MHz operating frequency (8MIPS)
    
  • 16K bytes Flash ROM
    
  • 512 bytes SRAM
    
  • 6MHz crystal oscillator
    
  • Universal Serial Bus (USB) hub with one upstream port, two external downstream ports, and one internal downstream port for embedded function.
    
  • Complete Universal Serial Bus specification 1.1 compatible
    
  • USB hub
    

  - Connectivity behavior
  

  - Power management, including suspend / resume
  

  - Device connect / disconnect detection
  

  - Bus fault detection and recovery
  

  - Full / Low speed device support
  

  - Gang mode downstream port power enable
  

  - Gang mode over-current detection
  

  - 1 control endpoint with 8 bytes
  

  - 1 endpoint for Hub status
  

  • USB Embedded function:
    

  - Support USB1.1 Full Speed Functions
  

  - Compliant to USB Human Interface Devices (HID) specification 1.0 and XID specification.
  

  - 1 control endpoint with 64 Bytes FIFO
  

  - 3 Generic endpoints each with 64 Bytes FIFO
  

  • 12 channels 12-bit AD converter
    
  • 4 channels 8 bits Programmable PWM
    
  • Maximum 40 programmable I/O pin
    
  • Low VDD reset
    
  • Fast mode master/slave I2C interface
    
  • One Watch-dog timer ranged from 10ms ~ 640ms
    
  • Two 16-bit programmable timers
    
  • Package: LQFP48