Datasheet

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PCM1870
SLAS544A – MAY 2007 – REVISED SEPTEMBER 2007
Register 94
B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0
Register 94 0 IDX6 IDX5 IDX4 IDX3 IDX2 IDX1 IDX0 RSV RSV RSV HGA4 HGA3 HGA2 HGA1 HGA0
IDX[6:0]: 101 1110b (5Eh) Register 94
HGA[4:0]: Treble Boost Gain Control
Default value: 0 0000
These bits are used to set treble boost gain level for the digital data. The center frequency for boost is 5 kHz.
HGA[4:0] TONE CONTROL GAIN (TREBLE) HGA[4:0] TONE CONTROL GAIN (TREBLE)
0 0000 0 dB (default) 0 1111 0 dB
0 0011 12 dB 1 0000 – 1 dB
0 0100 11 dB 1 0001 – 2 dB
0 0101 10 dB 1 0010 – 3 dB
0 0110 9 dB 1 0011 – 4 dB
0 0111 8 dB 1 0100 – 5 dB
0 1000 7 dB 1 0101 – 6 dB
0 1001 6 dB 1 0110 – 7 dB
0 1010 5 dB 1 0111 – 8 dB
0 1011 4 dB 1 1000 – 9 dB
0 1100 3 dB 1 1001 – 10 dB
0 1101 2 dB 1 1010 – 11 dB
0 1110 1 dB 1 1011 – 12 dB
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