tda8426 NXP Semiconductors, tda8426 Datasheet - Page 6

• Manufacturer Part Number: tda8426
• Description: Hi-fi Stereo Audio Processor; I2c-bus
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Subaddress
After the module address byte a second byte is used to select the following functions:
The subaddress SAD is stored within the TDA8426. Table 1 defines the coding of the second byte after the module
address MAD.
Table 1 Second byte after module address MAD
The automatic increment feature of the slave address enables a quick slave receiver initialization, within one
transmission, by the I
Definition of 3rd byte
A third byte is used to transmit data to the TDA8426. Table 2 defines the coding of the third byte after module address
MAD and subaddress SAD.
Table 2 Third byte after module address MAD and subaddress SAD
March 1991
volume left
volume right
bass
treble
switch functions
volume left
volume right
bass
treble
switch functions
Volume left, volume right, bass, treble and switch functions
Hi-fi stereo audio processor; I
function
function
VL
VR
BA
TR
S1
2
C-bus controller (see Fig.5).
1
1
1
1
1
MSB
MSB
128
7
0
0
0
0
0
7
1
1
1
1
1
6
64
6
0
0
0
0
0
2
C-bus
V05
V15
1
1
MU
5
32
5
0
0
0
0
0
6
V04
V14
1
1
EFL
4
16
4
0
0
0
0
0
V03
V13
BA3
TR3
STL
3
8
3
0
0
0
0
1
V02
V12
BA2
TR2
ML1
2
subaddress SAD
4
2
0
0
0
0
0
V01
V11
BA1
TR1
ML0
Product specification
1
2
1
0
0
1
1
0
TDA8426
V00
V10
BA0
TR0
IS
LSB
LSB
0
1
0
0
1
0
1
0