4 control interface (j50) – Texas Instruments TAS5066PAG User Manual
Page 18
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)