Texas Instruments TAS5508-5142K7EVM manual 2.2PSU Control Interface J902, 2.J901 Pin Description

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PSU Control Interface (J902)

Table 2-2. J901 Pin Description

PIN NO.	NET-NAME AT SCHEMATICS	DESCRIPTION
1	PVDD	Output-stage power supply
2	SYSTEM	System power supply
3	GND	Ground
4	GND	Ground

Table 2-3. J900 Pin Description

PIN NO.	NET-NAME AT SCHEMATICS	DESCRIPTION
1	PVDD	Extra output-stage power supply
2	PVDD	Extra output-stage power supply
3	GND	Extra ground
4	GND	Extra ground

2.2PSU Control Interface (J902)

This interface is used for onboard sensing of output supply voltage and for the power supply volume control (PSVC) signal.

5

4

3

2

1

(PCB￿connector￿top￿view)

Figure 2-3. J902 Pin Numbers

Table 2-4. J902 Pin Description

PIN NO.	NET-NAME AT SCHEMATICS	DESCRIPTION
1	—	Reserved for future use
2	PVDD	Sense of output power supply
3	GND	Ground
4	RESET	System reset (bidirectional)
5	PSVC	Power supply volume control signal

2.3Loudspeaker Connectors (J101 ¼ J107)

CAUTION

Both positive and negative speaker outputs are floating and may not be connected to ground (e.g., through an oscilloscope).

10 System Interfaces SLEU071 –June 2006

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