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Control Interface (J50)
2-6
2.4 Control Interface (J50)
This interface connects the TAS5066-5111D6EVM board to a TI input board.
Table 2−6.J50 Pin Description
Pin Number Net-Name at Schematics Description
1 GND Ground
2 PSVC Power supply volume control from (mC) input board
3 GND Ground
4 RESET System reset (bi-directional). Activate MUTE before RESET for
quiet reset.
5 ERR-RCVY Error recovery or soft reset provides click and pop free 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. TAS5066 enters the power down state when acti-
vated.
8, 9 RESERVED −
10 SDA I
2
C data clock
11 GND Ground
12 SCL I
2
C bit clock
13, 14 RESERVED −
15 DBSPD Double speed mode. Double speed active when high and inac-
tive when low
16 CLIP_MODULATOR Clipping indicator from TAS5066. Indicates 0dB level with low
signal
17 GND Ground
18, 19 RESERVED −
20 SHUTDOWN1 Shutdown error reporting for all channels. Activated if TAS5111
has high current or high temperature for approximately 100 ms.
See Chapter 3, Protection.
21 RESERVED −
22 TEMP_WARNING Temperature warning. Activated with low signal if one or more
TAS5111 has reached temperature warning level.
23, 24 RESERVED −
25, 26 GND Ground
27−30 RESERVED −
31, 32 GND Ground
33, 34 +5V +5-Vdc power supply (output)