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STDVE001A Scheda tecnica(PDF) 10 Page - STMicroelectronics |
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STDVE001A Scheda tecnica(HTML) 10 Page - STMicroelectronics |
10 / 49 page Pin configuration STDVE001A 10/49 Table 2. Pin description Pin number Pin name Type Function 1 GND Power Ground 2 VCC Power 3.3 V±5% DC supply 3 CEC_IO I/O CEC signal to/from the connector end 4 CEC_IO_INT I/O CEC signal to/from TV end 5 GND Power Ground 6 REXT Analog Connect to GND through a 4.7 KΩ ± 1% precision reference resistor. Sets the output current to generate the output voltage compliant with TMDS 7 HPD_EXT Output 0 to 5.0 V (nominal) output signal. Hot plug detector output. Open drain output. Connect an external resistor according to the HDMI specification. 8 SDA_EXT I/O DDC data I/O. Pulled-up by external termination to VDD. 9 SCL_EXT I/O DDC clock I/O. Pulled-up by external termination to VDD. 10 PRE Input TMDS output de-emphasis adjustment PRE Output de-emphasis 0V 0dB 3.3 V 3dB 11 VDD_EXT Power DC supply for DDC, HPD and CEC (can be 5V or 3.3V or unconnected) 12 GND Power Ground 13 OUT_D4+ Output HDMI 1.3 compliant TMDS output. OUT_D4+ makes a differential output signal with OUT_D4-. 14 OUT_D4- Output HDMI 1.3 compliant TMDS output. OUT_D4- makes a differential output signal with OUT_D4+. 15 VCC Power 3.3V±10% DC supply 16 OUT_D3+ Output HDMI 1.3 compliant TMDS output. OUT_D3+ makes a differential output signal with OUT_D3-. 17 OUT_D3- Output HDMI 1.3 compliant TMDS output. OUT_D3- makes a differential output signal with OUT_D3+. 18 GND Power Ground 19 OUT_D2+ Output HDMI 1.3 compliant TMDS output. OUT_D2+ makes a differential output signal with OUT_D2-. 20 OUT_D2- Output HDMI 1.3 compliant TMDS output. OUT_D2- makes a differential output signal with OUT_D2+. 21 VCC Power 3.3V±10% DC supply |
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