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CS4954 Datasheet(PDF) 38 Page - Cirrus Logic |
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CS4954 Datasheet(HTML) 38 Page - Cirrus Logic |
38 / 56 page CS4954 CS4955 38 DS278PP4 Control Register 3 Address 0 ×03 CONTROL_3 Read/Write Default Value = 00h Control Register 4 Address 0 ×04 CONTROL_4 Read/Write Default Value = 3Fh Bit Number 765432 10 Bit Name RESERVED FD THR C1 FD THR C2 FD THR SV FD THR EN CBAR Default 000000 00 Bit Mnemonic Function 7:5 - reserved 4FD THR C1 feedthrough enabled for composite 1 output (0 = off, 1 = on) 3FD THR C2 feedthrough enabled for composite 2 output (0 = off, 1 = on) 2FD THR SV feedthrough enabled for s-video (on luma signal) (0 = off, 1 = on) 1FD THR_EN Enable (1 = enable) input to feed through during inactive lines 0 CBAR internal color bar generator (0 = off, 1 = on) Bit Number 76 54 3 2 1 0 Bit Name CB_H_SEL CB_FLD_SEL COMDAC_PD SVIDLUM_PD SVIDCHR_PD R_PD G_PD B_PD Default 00 11 1 1 1 1 Bit Mnemonic Function 7 CB_H_SEL Composite Blank / HSYNC output select (1 = CB select, 0 = HSYNC select) 6 CB_FLD_SEL Composite Blank / FIELD output select (1 = CB select, 0 = HSYNC select) 5 COMDAC_PD power down composite DAC 0: power up, 1: power down 4 SVIDLUM_PD power down luma s-video DAC 0: power up, 1: power down 3 SVIDCHR_PD power down chroma s-video DAC 0: power up, 1: power down 2R_PD power down red rgb video DAC 0: power up, 1: power down 1G_PD power down green rgb video DAC 0: power up, 1: power down 0B_PD power down blue rgb video DAC 0: power up, 1: power down |
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