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TMS320DM641 Datasheet(PDF) 145 Page - Texas Instruments |
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TMS320DM641 Datasheet(HTML) 145 Page - Texas Instruments |
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145 / 171 page  Video Port 145 June 2003 − Revised August 2004 SPRS222C 4.13 Video Port Each Video Port is capable of sending and receiving digital video data. The Video Ports are also capable of capturing/displaying RAW data. The Video Port peripherals follow video standards such as CCIR601 and ITU-BT.656. 4.13.1 Video Port Device-Specific Information The TMS320DM641 device has two video port peripherals [VP0 and VP1]. The TMS320DM640 device only supports one video port peripheral [VP0]. The video port peripheral can operate as a video capture port, video display port, or as a transport stream interface (TSI) capture port. The port consists of a single channel A. A 2560-byte capture/display buffer is utilized on this channel. The port is always configured for either video capture or display only. Separate data pipelines control the parsing and formatting of video capture or display data for each of the BT.656, raw video, and TSI modes. For video capture operation, the video port may operate as a single channel of 8-bit BT.656, 8-bit raw video, or 8-bit TSI. For video display operation, the video port may operate as 8-bit BT.656 or 8-bit raw video. Note: The following Video Port mode currently is not supported: • 8-Bit Transport Stream Interface (TSI) capture port [TSI currently not supported] For more detailed information on the DM641 and DM640 Video Port peripherals, see the TMS320C64x DSP Video Port/VCXO Interpolated Control (VIC) Port Reference Guide (literature number SPRU629). 4.13.2 Video Port Peripheral Register Description(s) Table 4−54. Video Port 0 and 1 (VP0 and VP1) Control Registers HEX ADDRESS RANGE VP0 VP1 [DM641 ONLY] ACRONYM DESCRIPTION 01C4 0000 01C4 4000 VP_PIDx Video Port Peripheral Identification Register 01C4 0004 01C4 4004 VP_PCRx Video Port Peripheral Control Register 01C4 0008 01C4 4008 − Reserved 01C4 000C 01C4 400C − Reserved 01C4 0020 01C4 4020 VP_PFUNCx Video Port Pin Function Register 01C4 0024 01C4 4024 VP_PDIRx Video Port Pin Direction Register 01C4 0028 01C4 4028 VP_PDINx Video Port Pin Data Input Register 01C4 002C 01C4 402C VP_PDOUTx Video Port Pin Data Output Register 01C4 0030 01C4 4030 VP_PDSETx Video Port Pin Data Set Register 01C4 0034 01C4 4034 VP_PDCLRx Video Port Pin Data Clear Register 01C4 0038 01C4 4038 VP_PIENx Video Port Pin Interrupt Enable Register 01C4 003C 01C4 403C VP_PIPOx Video Port Pin Interrupt Polarity Register 01C4 0040 01C4 4040 VP_PISTATx Video Port Pin Interrupt Status Register 01C4 0044 01C4 4044 VP_PICLRx Video Port Pin Interrupt Clear Register 01C4 00C0 01C4 40C0 VP_CTLx Video Port Control Register 01C4 00C4 01C4 40C4 VP_STATx Video Port Status Register |
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