sta335bwsqs13tr STMicroelectronics, sta335bwsqs13tr Datasheet - Page 38

• Manufacturer Part Number: sta335bwsqs13tr
• Description: 2.1-channel, High-efficiency Digital Audio System With Qsound Qhd
• Manufacturer: STMicroelectronics

Register description
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For each configuration the PWM from the digital driver are mapped in different way to the
power stage:
2.0 channels, two full bridges (OCFG = 00)
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On channel 3 line out (LOC bits = 00) the same data as channel 1 processing are sent. On
channel 4 line out (LOC bits = 00) the same data as channel 2 processing are sent. In this
configuration, no volume control or EQ have effect on channel 3 and 4.
In this configuration the PWM slot phase is the following as shown in the next figures.
Figure 13. 2.0 channels (OCFG = 00) PWM slots
DDX1A OUT1A
DDX1B OUT1B
DDX2A OUT2A
DDX2B OUT2B
DDX3A OUT3A
DDX3B OUT3B
DDX4A OUT4A
DDX4B OUT4B
DDX1A/1B configured as ternary
DDX2A/2B configured as ternary
DDX3A/3B configured as line-out ternary
DDX4A/4B configured as line-out ternary
OUT1A
OUT1B
OUT2A
OUT2B
OUT3A
OUT3B
OUT4A
OUT4B
STA335BWSQS