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4 control interface (j50) – Texas Instruments TAS5066PAG User Manual

Page 18

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Control Interface (J50)

2-6

2.4

Control Interface (J50)

This interface connects the TAS5066-5111D6EVM board to a TI input board.

Table 2−6. J50 Pin Description

Pin Number

Net-Name at Schematics

Description

1

GND

Ground

2

PSVC

Power supply volume control from (mC) input board

3

GND

Ground

4

RESET

System reset (bi-directional). Activate MUTE before RESET for
quiet reset.

5

ERR-RCVY

Error recovery or soft reset provides click and pop free reset,
without resetting I

2

C volume register settings.

6

MUTE

Ramp volume from any setting to noiseless soft mute. Mute can
also be activated by I

2

C.

7

PDN

Power down. TAS5066 enters the power down state when acti-
vated.

8, 9

RESERVED

10

SDA

I

2

C data clock

11

GND

Ground

12

SCL

I

2

C bit clock

13, 14

RESERVED

15

DBSPD

Double speed mode. Double speed active when high and inac-
tive when low

16

CLIP_MODULATOR

Clipping indicator from TAS5066. Indicates 0dB level with low
signal

17

GND

Ground

18, 19

RESERVED

20

SHUTDOWN1

Shutdown error reporting for all channels. Activated if TAS5111
has high current or high temperature for approximately 100 ms.
See Chapter 3, Protection.

21

RESERVED

22

TEMP_WARNING

Temperature warning. Activated with low signal if one or more
TAS5111 has reached temperature warning level.

23, 24

RESERVED

25, 26

GND

Ground

27−30

RESERVED

31, 32

GND

Ground

33, 34

+5V

+5-Vdc power supply (output)