Datasheet

TEF6901A_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 20 March 2008 66 of 107
NXP Semiconductors
TEF6901A
Integrated car radio
8.2.21 Write mode: data byte BASS
Fig 37. Treble amplitude control characteristics; treble frequency (TRF) = 10 kHz
001aab550
0
−8
8
16
gain
(dB)
−16
f
audio
(kHz)
10
−2
1010
−1
1
Table 87. BASS - format of data byte 13h with default setting
7 6 5 4 3 2 1 0
BAS3 BAS2 BAS1 BAS0 BASM BAF1 BAF0 0
0000110
Table 88. BASS - data byte 13h bit description
Bit Symbol Description
7 to 4 BAS[3:0] bass setting; bass amplification or gain setting; see
Table 89 and Figure 38
3 BASM bass control mode; bass control of attenuation or gain; see
Table 89
0 = bass mode is set to attenuation
1 = bass mode is set to gain
2 and 1 BAF[1:0] bass frequency
00 = 60 Hz
01 = 80 Hz
10 = 100 Hz
11 = 120 Hz
0 - reserved; 0 = normal operation