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TDA9989 Datasheet(PDF) 7 Page - NXP Semiconductors |
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TDA9989 Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 48 page TDA9989_2 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 02 — 11 June 2009 7 of 48 NXP Semiconductors TDA9989 HDMI 1.3a transmitter with CEC support [1] P = power supply, G = ground, I = input, O = output. [2] To support 1080p video format, the 1.2 V supply voltage must be raised to 1.8 V. 7. Functional description The TDA9989 is designed to convert digital data (video and audio) provided by Set-Top Boxes (STB), Digital Video Camera (DVC), Digital Still Camera (DSC), Portable Multimedia Player (PMP) or DVD into an HDMI output, which can be used by a TV with either an HDMI or DVI input. The TDA9989 is able to output HDMI with the formats: • RGB 4:4:4 • YCbCr 4:4:4 • YCbCr 4:2:2 The video data input formats are: • RGB 4:4:4 • YCbCr 4:4:4 • YCbCr 4:2:2 semi-planar • YCbCr 4:2:2 ITU656-like It can also handle audio formats: • two I2S-bus channels • one S/PDIF channel (Dolby Digital: 5.1 CH, DTS, AC3) The TDA9989 is also designed to support CEC protocol. For more details about CEC, refer to HDMI 1.3a specification. 7.1 System clock The system clock section has a PLL serializer. It is a system clock generator which enables the stream produced by the encoder to be transmitted on the HDMI data channel at ten times, or above, the sampling rate. 7.2 Video input formatter 7.2.1 Description The TDA9989 has three video input ports VPA[7:0], VPB[7:0] and VPC[7:0]. VDDDC D5 P core digital supply voltage[2] VSSD B7, C4, C5 G digital ground supply voltage, is used for digital core; I/O and CEC oscillator VSSA D6, D7 G analog ground supply voltage, is used for PLL; serializer, transmitter, and parallel-to-serial shift register Table 2. Pin description …continued Symbol Pin Type[1] Description |
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