Texas Instruments TAS5508-5142K7EVM 2.4Headphone Connector J700, 2.5Control Interface J40, Pin No

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Headphone Connector (J700)

2

1

(PCB￿connector￿top￿view)

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

2.4Headphone Connector (J700)

2

1

3

4

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

2.5Control Interface (J40)

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 I2C volume register settings.
6	MUTE	Ramp volume from any setting to
		noiseless soft mute. Mute can also be
		activated by I2C.
7	PDN	Power down. TAS5508B will go to
		power-down state when activated.
8	RESERVED	—
9	RESERVED	—
10	SDA	I2C data clock
SLEU071 –June 2006		System Interfaces	11
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