Datasheet

TAS5414A, TAS5424A
SLOS535C –MAY 2009– REVISED APRIL 2011 www.ti.com
Table 10. External Status Register 2 (0x05) Output State of Individual Channels
D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION
0 0 0 0 1 1 1 1 Output is in Hi-Z mode, not in low-low mode
(1)
, default value
– – – – – – – 0 Channel 1 Hi-Z mode (0 = not Hi-Z, 1 = Hi-Z)
– – – – – – 0 – Channel 2 Hi-Z mode (0 = not Hi-Z, 1 = Hi-Z)
– – – – – 0 – – Channel 3 Hi-Z mode (0 = not Hi-Z, 1 = Hi-Z)
– – – – 0 – – – Channel 4 Hi-Z mode (0 = not Hi-Z, 1 = Hi-Z)
– – – 1 – – – – Channel 1 low-low mode (0 = not low-low, 1 = low-low)
(1)
– – 1 – – – – – Channel 2 low-low mode (0 = not low-low, 1 = low-low)
(1)
– 1 – – – – – – Channel 3 low-low mode (0 = not low-low, 1 = low-low)
(1)
1 – – – – – – – Channel 4 low-low mode (0 = not low-low, 1 = low-low)
(1)
(1) Low-low is defined as both outputs actively pulled to ground.
Table 11. External Status Register 3 (0x06) Play and Mute Modes
D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION
0 0 0 0 0 0 0 0 Mute mode is disabled, play mode disabled, default value, (Hi-Z mode)
– – – – – – – 1 Channel 1 play mode is enabled
– – – – – – 1 – Channel 2 play mode is enabled
– – – – – 1 – – Channel 3 play mode is enabled
– – – – 1 – – – Channel 4 play mode is enabled
– – – 1 – – – – Channel 1 mute mode is enabled
– – 1 – – – – – Channel 2 mute mode is enabled
– 1 – – – – – – Channel 3 mute mode is enabled
1 – – – – – – – Channel 4 mute mode is enabled
Table 12. External Status Register 4 (0x07) Load Diagnostics
D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION
0 0 0 0 0 0 0 0 No channels are set in load diagnostics mode, default value
– – – – – – – 1 Channel 1 is in load diagnostics mode
– – – – – – 1 – Channel 2 is in load diagnostics mode
– – – – – 1 – – Channel 3 is in load diagnostics mode
– – – – 1 – – – Channel 4 is in load diagnostics mode
X X X X – – – – Reserved
Table 13. External Control Register 1 (0x08) Gain Select
D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION
1 0 1 0 1 0 1 0 Set gain for all channels to 26 dB, default value
– – – – – – 0 0 Set channel 1 gain to 12 dB
– – – – – – 0 1 Set channel 1 gain to 20 dB
– – – – – – 1 1 Set channel 1 gain to 32 dB
– – – – 0 0 – – Set channel 2 gain to 12 dB
– – – – 0 1 – – Set channel 2 gain to 20 dB
– – – – 1 1 – – Set channel 2 gain to 32 dB
– – 0 0 – – – – Set channel 3 gain to 12 dB
– – 0 1 – – – – Set channel 3 gain to 20 dB
– – 1 1 – – – – Set channel 3 gain to 32 dB
0 0 – – – – – – Set channel 4 gain to 12 dB
0 1 – – – – – – Set channel 4 gain to 20 dB
1 1 – – – – – – Set channel 4 gain to 32 dB
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