TDA7501_07 Datasheet, PDF (19/29 Pages) STMicroelectronics – Line driver for digital car radio Signal processor (DSPLD)

TDA7501
Software specification for both modes
9
Software specification for both modes
9.1
Auto increment
If bit I in the subaddress byte is set to "1", the autoincrement of the subaddress is enabled.
9.2
Reset condition
A Power-On-Reset is invoked if the Supply-Voltage V dd is below than 3.5V. After POR the
following data is written automatically into the registers of all subaddresses :
9.3
MSB
LSB
1
1
1
1
1
1
1
0
The programming after POR is marked bold-face in the programming tables.
With this programming all the outputs are muted to their corresponding reference voltages.
Programming modes
Table 6. Subaddresses
MSB
LSB
D7 D6
I
D4 SA3 SA2 SA1 SA0
Name
0
0
0
0 Input selector 1L
0
0
0
1 Input selector 1R
0
0
1
0 Input selector 2L
0
0
1
1 Input selector 2R
0
1
0
0 Phone/Navigation
0
1
0
1 Mode Select
0
1
1
0 Configuration
0
1
1
1 Output selector
1
0
0
0 Volume 1L
1
0
0
1 Volume 1R
1
0
1
0 Volume 2L
1
0
1
1 Volume 2R
1
1
0
0 Volume 3L
1
1
0
1 Volume 3R
1
1
1
0 FM-level
1
1
1
1 reserved
0
Autoincrement mode off
1
Autoincrement mode on
0
0
0
must be "0”
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