Datasheet

www.ti.com
PCM1774
SLAS551 JULY 2007
Register 93
B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0
Register 93 0 IDX6 IDX5 IDX4 IDX3 IDX2 IDX1 IDX0 RSV RSV RSV MGA4 MGA3 MGA2 MGA1 MGA0
IDX[6:0]: 101 1101b (5Dh): Register 93
MGA[4:0]: Middle Boost Gain Control
Default value: 0 0000
These bits are used to set the midrange boost gain level for the digital data. The detailed characteristics are
shown in the Typical Performance Curves .
MGA[4:0] TONE CONTROL GAIN (MIDRANGE) MGA[4:0] TONE CONTROL GAIN (MIDRANGE)
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
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 (f
C
= 5 kHz)
Default value: 0 0000
These bits are used to set the treble boost gain level for the digital data. The detailed characteristics are shown
in the Typical Performance Curves .
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
38
Submit Documentation Feedback