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STA381BW データシート(PDF) 56 Page - STMicroelectronics

部品番号 STA381BW
部品情報  Sound Terminal® 2.1-channel high-efficiency digital audio system
PDF  174 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA381BW データシート(HTML) 56 Page - STMicroelectronics

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Register description: New Map
STA381BW
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DocID018835 Rev 8
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 24.
Figure 24. 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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