TUSB3200AC97 Datasheet

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

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