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2-4
Table 2–3. Control Interface Pin Connections (Continued)
Pin No.
Net Name
Description
19
DEM-SEL1
De-emphasis filter select bit 1
20
SD–E1
Shutdown error reporting group 1. The TAS51XX digital output stages
(channel 1, 2, and 5) assert this signal low when an internal error occurs.
This can be due to either an overtemperature protection or an overcurrent
event.
21
SD–E2
Shutdown error reporting group 2. The TAS51XX digital output stages
(channel 3, 4, and 6) assert this signal low when an internal error occurs.
This can be due to either an overtemperature protection or an overcurrent
event.
22
ERROR0
Error reporting 0 (ERR0 from the TAS51XX output stages)
23
ERROR1
Error reporting 1 (ERR1 from the TAS51XX output stages)
24
HEADPHONE–DISABLE
Headphone control
Headphone
1.
Mute all channels (register address 03h)
enable sequence
2.
HEADPHONE–DISABLE is asserted high.
3.
Individual channel mute of channels 3–6
(register address 19h).
4.
Unmute all channels (register address 03h).
Headphone
1.
Mute all channels (register address 03h)
disable sequence
2.
HEADPHONE–DISABLE is asserted low.
3.
Unmute of channels 3–6 (register address
19h).
4.
Unmute all channels (register address 03h).
Headphone
0
Headphone output disabled.
disable mode
1
Output stage channel 1 and 2 is muted.
Channel 3, 4, 5, and 6 should be muted
through the I
2
C interface.
25
GND
Ground
26
GND
Ground
27
Not used
For future use
28
Not used
For future use
29
Not used
For future use
30
Not used
For future use
31
GND
Ground
32
GND
Ground
33
+5V
Power supply (out)
34
+5V
Power supply (out)