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TMS320DM355 Datasheet(PDF) 144 Page - Texas Instruments |
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TMS320DM355 Datasheet(HTML) 144 Page - Texas Instruments |
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144 / 163 page  TMS320DM355 SPRS463G – SEPTEMBER 2007 – REVISED JUNE 2010 www.ti.com 5.14 Audio Serial Port (ASP) DM355 includes two separate ASP controllers. The primary use for the audio serial port (ASP) is for audio interface purposes. The primary audio modes that are supported by the ASP are the AC97 and IIS modes. In addition to the primary audio modes, the ASP supports general serial port receive and transmit operation, but is not intended to be used as a high-speed interface. The ASP is backward compatible with other TI ASPs. The ASP supports the following features: • Full-duplex communication • Double-buffered data registers, which allow a continuous data stream • Independent framing and clocking for receive and transmit • External shift clock generation or an internal programmable frequency shift clock • Double-buffered data registers, which allow a continuous data stream • Independent framing and clocking for receive and transmit • Direct interface to industry-standard codecs, analog interface chips (AICs), and other serially connected analog-to-digital (A/D) and digital-to-analog (D/A) devices • Direct interface to AC97 compliant devices (the necessary multiphase frame synchronization capability is provided) • Direct interface to IIS compliant devices • Direct interface to SPI protocol in master mode only • A wide selection of data sizes, including 8, 12, 16, 20, 24, and 32 bits • m-Law and A-Law companding • 8-bit data transfers with the option of LSB or MSB first • Programmable polarity for both frame synchronization and data clocks • Highly programmable internal clock and frame generation For more detailed information on the ASP peripheral, see the TMS320DM35x Digital Media System-on-Chip (DMSoC) Audio Serial Port (ASP) Reference Guide (literature number SPRUED3). 144 DM355 Peripheral Information and Electrical Specifications Copyright © 2007–2010, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TMS320DM355 |
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