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STA381BWS データシート(PDF) 53 Page - STMicroelectronics

部品番号 STA381BWS
部品情報  Sound Terminal® 2.1-channel high-efficiency digital audio system
PDF  171 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA381BWS データシート(HTML) 53 Page - STMicroelectronics

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STA381BWS
Register description: New Map
Doc ID 018937 Rev 6
53/171
2.1 channels, two half-bridges + one full-bridge (OPER = 11)
●
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
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 22.
Figure 22.
2.1 channels (OPER = 11) PWM slots
OUT1A
OUT2A
OUT2B
OUT3A
OUT3B
OUT1B
OUT4A
OUT4B
OUT1A
OUT2A
OUT2B
OUT3A
OUT3B
OUT1B
OUT4A
OUT4B
OUT1A
OUT2A
OUT2B
OUT3A
OUT3B
OUT1B
OUT4A
OUT4B
OUT1A
OUT2A
OUT2B
OUT3A
OUT3B
OUT1B
OUT1A
OUT2A
OUT2B
OUT3A
OUT3B
OUT1B
OUT4A
OUT4B
OUT1A
OUT2A
OUT2B
OUT3A
OUT3B
OUT1B
OUT4A
OUT4B



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