Texas Instruments TAS5508-5142K7EVM Manuel d'utilisateur télécharger pdf (Page 11)

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(PCBconnectortopview)

2.4 Headphone Connector (J700)

2 3

2.5 Control Interface (J40)

Headphone Connector (J700)

Figure 2-4. J101 . . . J107 Pin Numbers

Table 2-5. J101 . . . J107 Pin Description

PIN NO. NET-NAME AT SCHEMATICS DESCRIPTION

1 OUT-1 Speaker negative output

2 OUT-2 Speaker positive output

Figure 2-5. J700 Pin Numbers

Table 2-6. J700 Pin Description

PIN NO. NET-NAME AT SCHEMATICS DESCRIPTION

1 OUT-R Right headphone output

2 GND Ground

3 — For future use

4 OUT-L Left headphone output

This interface connects the TAS5508-5142K7EVM board to a TI input-USB board.

Table 2-7. J40 Pin Description

PIN NO. NET-NAME AT SCHEMATICS DESCRIPTION

1 GND Ground

2 RESERVED —

3 GND Ground

4 RESET System reset (bidirectional). Activate

MUTE before RESET for quiet reset.

5 BKND-ERR Backend error (or soft reset) provides

reduced click and pop reset, without

resetting I

C volume register settings.

6 MUTE Ramp volume from any setting to

noiseless soft mute. Mute can also be

activated by I

7 PDN Power down. TAS5508B will go to

power-down state when activated.

8 RESERVED —

9 RESERVED —

10 SDA I

C data clock

SLEU071 – June 2006 System Interfaces 11

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Texas Instruments TAS5508-5142K7EVM Manuel d'utilisateur Page 11