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1
2
(PCB connector top view)
2.4
Headphone Connector (J700)
1
4
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
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. TAS5508B will go to
power-down state when activated.
8
RESERVED
—
9
RESERVED
—
10
SDA
I
2
C data clock
SLEU071 – June 2006
System Interfaces
11
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