Control Interface (J11), Input; J11 Pin Description - Texas Instruments TAS3108EVM2 User Manual

Control Interface (J11), Input

3.1

Control Interface (J11), Input

This interface connects the TAS3108EVM2 board to a TI input-USB board. This is a general-purpose
interface, so not all signals are used by the TAS3108. Unused signals are shaded in
NET-NAME AT
PIN NO.
SCHEMATICS
1 GND
2 RESERVED
3 GND
4 RESET
5 RESERVED
6 MUTE
7 PDN
8 RESERVED
9 RESERVED
10 SDA
11 GND
12 SCL
13 GPIO1
14 GPIO2
15 GPIO3
16 GPIO4
17 GND
18 GPIO5
19 GPIO6
20 SD
21 RESERVED
22 OTW
23 RESERVED
24 RESERVED
25 GND
26 GND
27 RESERVED
28 RESERVED
29 RESERVED
30 RESERVED
31 GND
32 GND
33 +5V
34 +5V
18 System Interfaces
Table 3-1. J11 Pin Description
Ground
Ground
System reset (bidirectional). Activate MUTE before RESET for quiet reset.
Ramp volume from any setting to noiseless soft mute. Mute can also be activated by I2C.
Power down. TAS3108 goes ino power down state when activated.
I2C data clock
Ground
I2C bit clock
General-purpose input/output 4, used to reset the TAS3108 after programming.
Ground
Shutdown reporting. Used for speaker-output EVMs.
Temperature warning. Used for speaker-output EVMs.
Ground
Ground
Ground
Ground
+5-Vdc power supply (output)
+5-Vdc power supply (output)
SLEU065A – SEPTEMBER 2005 – Revised NOVEMBER 2006
Table
DESCRIPTION
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3-1.