Datasheet

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DREV – Output Phase Select
ZREV – Zero-Flag Polarity Select
AZRO – Zero-Flag Function Select
PCM1742
SBAS176A – DECEMBER 2000 – REVISED APRIL 2005
B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0
REGISTER 22 0 IDX6 IDX5 IDX4 IDX3 IDX2 IDX1 IDX0 RSV RSV RSV RSV RSV AZRO ZREV DREV
Default value: 0
DREV = 0 Normal output (default)
DREV = 1 Inverted output
The DREV bit is used to set the output phase of V
OUT
L and V
OUT
R.
Default value: 0
ZREV = 0 Zero-flag pins HIGH at a zero detect (default)
ZREV = 1 Zero-flag pins LOW at a zero detect
The ZREV bit allows the user to select the active polarity of zero-flag pins.
Default value: 0
AZRO = 0 L-/R-channel independent zero flags (default) Pin 11: ZEROR; zero-flag output for R-channel
Pin 12: ZEROL; zero flag output for L-channel
AZRO = 1 L-/R-channel common zero flag Pin 11: ZEROA; zero flag output for L-/R-channel
Pin 12: NA; not assigned
The AZRO bit allows the user to select the function of the zero-flag pins
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