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CX25870 Datasheet(PDF) 79 Page - Synaptics Incorporated. |
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CX25870 Datasheet(HTML) 79 Page - Synaptics Incorporated. |
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79 / 291 page  CX25870/871 1.0 Functional Description Flicker-Free Video Encoder with Ultrascale Technology 1.3 Device Description 100381B Conexant 1-63 Figure 1-31 and Tables 1-19 and 1-20 illustrate the voltage amplitudes for the different color bar outputs. Figure 1-31. Composite and S-Video Format (Internal Colorbars) Blank Level Awht Ayel Acyn Agrn Amgt Ared Ablu Ablk Ablk Mblk Mwht Async Myel Mcyn Mgrn Mmgt Mred Mblu Awht Ayel Acyn Agrn Amgt Ared Ablu Async Mb Myel Mblu Mcyn Mgrn Mmgt Mred Composite S Video Y C Mb 100381_043 NOTE(S): 1. A is the DC (luminance) amplitude referenced to black, except for Ablk and Async, which are referenced to blank. 2. M numbers are the peak-to-peak amplitudes of the subcarrier waveform. x x Table 1-19. Composite and Luminance Amplitude Y and Composite Amplitudes Async Awht Ayel Acyn Agrn Amgt Ared Ablu Ablk NTSC-M (volts) –0.286 0.661 0.441 0.347 0.292 0.203 0.149 0.054 0.0536 NTSC-J (volts) –0.286 0.714 0.477 0.375 0.316 0.220 0.161 0.059 0 PAL-B (volts) –0.300 0.700 0.465 0.368 0.308 0.217 0.157 0.060 0 NOTE(S): Ax is the DC (luminance) amplitude referenced to black, except for Ablk and Async, which are referenced to blank. |
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