TDA7501 Просмотр технического описания (PDF) - STMicroelectronics

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TDA7501

Line driver for digital car radio Signal processor (DSPLD)

STMicroelectronics 

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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