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TDA19978A Datenblatt(PDF) 8 Page - NXP Semiconductors |
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TDA19978A Datenblatt(HTML) 8 Page - NXP Semiconductors |
8 / 38 page TDA19978A_3 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved. Product data sheet Rev. 03 — 16 April 2010 8 of 38 NXP Semiconductors TDA19978A Quad HDMI 1.3a receiver with digital processing VAI 96 O video activity indication output (open-drain); warns the external microprocessor that a special event has occurred; must be connected to a pull-up resistor; 5 V tolerant (active LOW) SDA 97 I/O I2C-bus serial data input/output SCL 98 I I2C-bus serial clock input HSDAA 99 I/O HDMI input/output A HDCP DDC-bus serial data HSCLA 100 I HDMI input A HDCP DDC-bus serial clock HSDAB 101 I/O HDMI input/output B HDCP DDC-bus serial data HSCLB 102 I HDMI input B HDCP DDC-bus serial clock TEST0 103 I reserved for test; connect to digital inputs ground (VSSC) VDDH(3V3) 104 P HDMI deep PLL supply voltage; 3.3 V VSSH 105 G HDMI deep PLL ground RRX1 106 I HDMI inputs A and B termination resistance control VDDC(1V8) 107 P digital core supply voltage; 1.8 V VDDH(1V8) 108 P HDMI receiver supply voltage; 1.8 V VSSC 109 G digital core ground A0 110 I I2C-bus address control input VDDH(3V3) 111 P HDMI receiver supply voltage; 3.3 V RXBC+ 112 I HDMI input B positive clock channel RXBC − 113 I HDMI input B negative clock channel VSSH 114 G HDMI receiver ground RXAC − 115 I HDMI input A negative clock channel RXAC+ 116 I HDMI input A positive clock channel VDDH(3V3) 117 P HDMI receiver supply voltage; 3.3 V RXB0+ 118 I HDMI input B positive data channel 0 RXB0 − 119 I HDMI input B negative data channel 0 VSSH 120 G HDMI receiver ground RXA0 − 121 I HDMI input A negative data channel 0 RXA0+ 122 I HDMI input A positive data channel 0 VDDH(1V8) 123 P HDMI receiver supply voltage; 1.8 V RXB1+ 124 I HDMI input B positive data channel 1 RXB1 − 125 I HDMI input B negative data channel 1 VSSH 126 G HDMI receiver ground RXA1 − 127 I HDMI input A negative data channel 1 RXA1+ 128 I HDMI input A positive data channel 1 VDDH(3V3) 129 P HDMI receiver supply voltage; 3.3 V RXB2+ 130 I HDMI input B positive data channel 2 RXB2 − 131 I HDMI input B negative data channel 2 VSSH 132 G HDMI receiver ground RXA2 − 133 I HDMI input A negative data channel 2 RXA2+ 134 I HDMI input A positive data channel 2 Table 3. Pin description …continued Symbol Pin Type[1] Description |
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