sta381bw STMicroelectronics, sta381bw Datasheet - Page 118
sta381bw
Manufacturer Part Number
sta381bw
Description
Sound Terminal 2.1-channel High-efficiency Digital Audio System
Manufacturer
STMicroelectronics
Datasheet
1.STA381BW.pdf
(168 pages)
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STA381BW
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Quantity:
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sta381bwS
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Register description: Sound Terminal compatibility
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2.1 channels, two half-bridges + one full-bridge (OCFG = 01)
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In this configuration, channel 3 has full control (volume, EQ, etc…). On OUT3/OUT4
channels channel 1 and channel 2 PWM are replicated.
In this configuration the PWM slot phase is the following as shown in
Figure 37. 2.1 channels (OCFG = 01) PWM slots
FFX1A -> OUT1A
FFX2A -> OUT1B
FFX3A -> OUT2A
FFX3B -> OUT2B
FFX1A -> OUT3A
FFX1B -> OUT3B
FFX2A -> OUT4A
FFX2B -> OUT4B
FFX1A/1B configured as binary
FFX2A/2B configured as binary
FFX3A/3B configured as binary
FFX4A/4B is not used
OUT1A
OUT1A
OUT1A
OUT1A
OUT1A
OUT1A
OUT1B
OUT1B
OUT1B
OUT1B
OUT1B
OUT1B
OUT2A
OUT2A
OUT2A
OUT2A
OUT2A
OUT2A
OUT2B
OUT2B
OUT2B
OUT2B
OUT2B
OUT2B
OUT3A
OUT3A
OUT3A
OUT3A
OUT3A
OUT3A
OUT3B
OUT3B
OUT3B
OUT3B
OUT3B
OUT3B
OUT4A
OUT4A
OUT4A
OUT4A
OUT4A
OUT4B
OUT4B
OUT4B
OUT4B
OUT4B
Doc ID 018835 Rev 2
Figure
37.
STA381BW
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