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STA381BWS データシート(PDF) 54 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) 54 Page - STMicroelectronics

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Register description: New Map
STA381BWS
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Doc ID 018937 Rev 6
2.1 channels, two full-bridges + one external full-bridge (OPER = 10)
●
FFX1A -> OUT1A
●
FFX1B -> OUT1B
●
FFX2A -> OUT2A
●
FFX2B -> OUT2B
●
FFX3A -> OUT3A
●
FFX3B -> OUT3B
●
EAPD -> OUT4A
●
TWARN -> OUT4B
●
FFX1A/1B configured as ternary
●
FFX2A/2B configured as ternary
●
FFX3A/3B configured as ternary
●
FFX4A/4B is not used
In this configuration, channel 3 has full control (volume, EQ, etc…). On OUT4 channel the
external bridge control signals are muxed.
In this configuration the PWM slot phase is the following as shown in Figure 23.
Figure 23.
2.1 channels (OPER = 10) PWM slots
OUT1A
OUT1B
OUT2A
OUT2B
OUT3A
OUT3B
OUT1A
OUT1B
OUT2A
OUT2B
OUT3A
OUT3B
OUT1A
OUT1B
OUT2A
OUT2B
OUT3A
OUT3B
OUT1A
OUT1B
OUT2A
OUT2B
OUT3A
OUT3B



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