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STDEV003ABTR 데이터시트(PDF) 8 Page - STMicroelectronics |
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STDEV003ABTR 데이터시트(HTML) 8 Page - STMicroelectronics |
8 / 41 page Pin configuration STDVE003A 8/41 16 GND Power Ground 17 VCC Power Supply voltage (3.3 V ± 5%) 18 REXT Analog Connect to GND through a 4.7 K Ω ± 1% precision reference resistor. Sets the output current to generate the output voltage compliant with TMDS 19 EQ_BOOST Input Provides equalizer boost function. Set to L for short cables and H for long cables. 20 DDC_Y_PWR Power External power to connect the pull-up resistor on DDC Y ports. Connect to GND if unused. 21, 23 S1,S2,S3 Input Source select inputs 24 GND Power Ground 25, 26 Y4, Z4 Output, TMDS Channel 4 differential outputs 27 VCC Power Supply voltage (3.3 V ± 5%) 28, 29 Y3, Z3 Output, TMDS Channel 3 differential outputs 30 GND Power Ground 31, 32 Y2, Z2 Output, TMDS Channel 2 differential outputs 33 VCC Power Supply voltage (3.3 V ± 5%) 34, 35 Y1, Z1 Output, TMDS Channel 1 differential outputs 36 GND Power Ground 37 GND Power Ground 38 SCL_SINK I/O Sink side DDC bus clock line 39 SDA_SINK I/O Sink side DDC bus data line 40 HPD_SINK Input Sink side hot plug detector input High: 5 V power signal asserted from source to sink and EDID is ready. Low: No 5 V power signal is asserted from source to sink or EDID is not ready. 41 DDC_3_PWR Power External power to connect the pull-up resistor on DDC C ports. Connect to GND if unused. 42 OE_N Input Output enable, active low 43 VCC Power Supply voltage (3.3 V ± 5%) 44 HPD3 Output Port 3 hot plug detector output. Open drain output. Connect an external resistor according to the HDMI specification. 45 SDA3 I/O Port 3 DDC bus data line 46 SCL3 I/O Port 3 DDC bus clock line Table 2. Pin description (continued) Pin number Pin name Type Function |
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