TUSB3200A

TUSB3200A Description

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TUSB3200A Datasheet (PDF)

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TUSB3200A Features

• Universal Serial Bus (USB)
  • USB Specification version 1.1 compatible
  • USB Audio Class Specification 1.0 compatible
  • Integrated USB transceiver
  • Supports 12 Mb/s data rate (full speed)
  • Supports suspend/resume and remote wake-up
  • Supports control, interrupt, bulk and isochronous data transfer types
  • Supports up to a total of 7 in endpoints and 7 out endpoints in addition to the control endpoint
  • Data transfer type, data buffer size, single or double buffering is programmable for each endpoint
  • On-chip adaptive clock generator (ACG) supports asynchronous, synchronous and adaptive synchronization modes for isochronous endpoints
  • To support synchronization for streaming USB audio data, the ACG can be used to generate the master clock for the codec
• Micro-Controller Unit (MCU)
  • Standard 8052 8-bit core
  • 4K Bytes of program memory ROM that contains a boot loader program that loads the application firmware from external EEPROM
  • 8K Bytes of program memory RAM which is loaded by the boot loader program
  • 256 Bytes of internal data memory RAM
  • Two GPIO ports
  • MCU handles all USB control, interrupt and bulk endpoint transfers
• DMA Controller
  • Four DMA channels to support streaming USB audio data to/from the codec port interface
  • Each channel can support a single USB isochronous endpoint
  • For I²S modes, either a single or multiple USB isochronous endpoints can be used to support multiple DACs/ADCs
• Codec Port Interface
  • Configurable to support AC?97 1.X, AC?97 2.X or I²S serial interface formats
  • I²S modes can support a combination of up to 4 DACs and/or 3 ADCs
  • Can be configured as a general-purpose serial interface
• I²C Interface
  • Master only interface
  • Does not support a multimaster bus environment
  • Programmable to 100 kbit/s or

TUSB3200A Parameters

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