sta335bwqs STMicroelectronics, sta335bwqs Datasheet - Page 42

• Manufacturer Part Number: sta335bwqs
• Description: 2.1-channel High-efficiency Digital Audio System With Qsound Qhd?
• Manufacturer: STMicroelectronics

Register description
7.6.2
42/72
2.1 channels, two full bridge + one external full bridge (OCFG = 10)
In this configuration, channel 3 has full control (for example, on volume, EQ). On OUT4
channel the external bridge control signals are muxed.
Figure 19
Figure 19. 2.1 channels (OCFG = 10) PWM slots.
Invalid input detect mute enable
Table 46.
Setting the IDE bit enables this function, which looks at the input I
automatically mute if the signals are perceived as invalid.
Bit
2
DDX1A : OUT1A
DDX1B : OUT1B
DDX2A : OUT2A
DDX2B : OUT2B
DDX3A : OUT3A
DDX3B : OUT3B
EAPD : OUT4A
TWARN : OUT4B
DDX1A/1B configured as ternary
DDX2A/2B configured as ternary
DDX3A/3B configured as ternary
DDX4A/4B not used.
R/W
RW
shows the PWM slot phases for this configuration.
IDE
RST
OUT1A
OUT1A
OUT1B
OUT1B
OUT2A
OUT2A
OUT2B
OUT2B
OUT3A
OUT3A
OUT3B
OUT3B
1
Name
IDE
Setting of 1 enables the automatic invalid input
detect mute
Description
2
S data and will
STA335BWQS