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CS4955 Datasheet(PDF) 41 Page - Cirrus Logic |
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CS4955 Datasheet(HTML) 41 Page - Cirrus Logic |
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41 / 60 page  CS4954 CS4955 DS278F6 41 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 NOTE: 1. The FIELD pin (pin 9) remains an output pin in SLAVE mode. However, the FIELD pin state does not toggle in SLAVE mode and its output state should be considered random. Bit Number 7 654 3210 Bit Name RESERVED FD THR C1 FD THR C2 FD THR SV FD THR EN CBAR Default 0 000 0000 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 7 6 5 4 3 210 Bit Name CB_H_SEL CB_FLD_SEL(1) COMDAC_PD SVIDLUM_PD SVIDCHR_PD R_PD G_PD B_PD Default 0 0 1 1 1 111 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 = FIELD select)(1) 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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