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SAF7129AH Datasheet(PDF) 21 Page - NXP Semiconductors |
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SAF7129AH Datasheet(HTML) 21 Page - NXP Semiconductors |
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21 / 56 page  2004 Mar 16 21 Philips Semiconductors Product specification Digital video encoder SAF7129AH Table 19 Subaddress 4EH Table 20 Subaddress 4FH Table 21 Subaddress 50H BIT SYMBOL DESCRIPTION 7to6 − These 2 bits are reserved; each must be set to logic 0. 5 to 0 FADE1[5:0] These 6 bits form factor FADE1 which determines the ratio between the MPEG and video input signal in the resulting video data stream if the key colour 1 is detected in the MPEG input signal. FADE1 = 00H: 100% MPEG, 0% video FADE1 = 3FH: 100% video, 0% MPEG; this is the default value after reset BIT SYMBOL DESCRIPTION 7 CFADEM 0 = fader operates in normal mode; default state after reset 1 = the entire video input stream is faded with the colour stored in the LUT (subaddresses 51H to 53H) regardless of the MPEG input signal. The colour keys are disabled. 6 CFADEV 0 = fader operates in normal mode; default state after reset 1 = the entire MPEG input stream is faded with the colour stored in the LUT (subaddresses 51H to 53H) regardless of the video input signal. The colour keys are disabled. 5 to 0 FADE2[5:0] These 6 bits form factor FADE2 which determines the ratio between the LUT colour values (subaddresses 51H to 53H) and the video input signal in the resulting video data stream if the key colour 2 is detected in the MPEG input signal. FADE2 = 00H: 100% LUT colour, 0% video FADE2 = 3FH: 100% video, 0% LUT colour; this is the default value after reset BIT SYMBOL DESCRIPTION 7to6 − These 2 bits are reserved; each must be a logic 0. 5 to 0 FADE3[5:0] These 6 bits form factor FADE3 which determines the ratio between the MPEG and video input signal in the resulting video data stream if neither the key colour 1 nor the key colour 2 is detected in the MPEG input signal. FADE3 = 00H: 100% MPEG, 0% video FADE3 = 3FH: 100% video, 0% MPEG; this is the default value after reset |
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