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Control Interface (J40)
Table 2-7. J40 Pin Description (continued)
PIN NO. | DESCRIPTION | |
11 | GND | Ground |
12 | SCL | I2C bit clock |
13 | RESERVED | — |
14 | RESERVED | — |
15 | RESERVED | — |
16 | RESERVED | — |
17 | GND | Ground |
18 | RESERVED | — |
19 | RESERVED | — |
20 | SD | Shutdown error reporting for all |
|
| channels. Activated if TAS5142 has |
|
| high current or high temperature. See |
|
| Chapter 3, Protection. |
21 | SD | Shutdown reporting. Activated if one or |
|
| more TAS5142 has high current or high |
|
| temperature. Pin 21 connected to Pin |
|
| 20. See Chapter 3, Protection. |
22 | OTW | Temperature warning. Activated if |
|
| TAS5142 has reached temperature |
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| warning level. |
23 | OTW | Temperature warning. Activated if one |
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| or more TAS5142 has reached |
|
| temperature warning level. Pin 23 |
|
| connected to Pin 22. |
24 | Headphone select. Headphone active | |
|
| when LOW and inactive when HIGH. To |
|
| use this pin, |
|
| placed for R50. |
25 | GND | Ground |
26 | GND | Ground |
27 | RESERVED | — |
28 | RESERVED | — |
29 | RESERVED | — |
30 | RESERVED | — |
31 | GND | Ground |
32 | GND | Ground |
33 | +5V | +5Vdc power supply (output) |
34 | +5V | +5Vdc power supply (output) |
12 | System Interfaces | SLEU071 |
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