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STV0684 Datasheet(PDF) 42 Page - STMicroelectronics |
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STV0684 Datasheet(HTML) 42 Page - STMicroelectronics |
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42 / 49 page ![]() Electrical Characteristics STV0684 42/49 4.5.10 TFT 4.5.11 TV TV timing description TV External components An external 10000 ohm precision resistor typical 1% placed between the TV_REXT pin and GNDAS_REXT sets the full scale DAC current. Table 18: TFT timing Symbol Parameter Min. Max. Units PNL_CLK Panel clock 1.56 27 MHz HSYNC1 1. HSYNC & VSYNC are active low (default, but programmable) and the falling edge of both HS & VS are always synchronous. Horizontal Sync 2 1822 PNL_CLK periods VSYNC1 Vertical sync 2 1598 Horizontal sync periods Table 19: TV timing description Symbol Parameter Min. Typ. Max. Unit Resolution 10 Bits Recommended load impedance 175 Ω Analog output Dynamic current1 1. The output current of 8mA = typ: TV_REXT - TV_GNDA_REXT =1.4V, RREF=10000 Ω 6.64 8 9.36 mA Output voltage1 1.6 V DC Dynamic performance SNR, BW=10MHz, Fclk=80MHz 50 dB THD, BW=10MHz, Fclk=80MHz 50 dB Voltage reference V_REXT - TV_GNDA_REXT -7% 1.4 +7% V |
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