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STA339BWS Datasheet(PDF) 40 Page - STMicroelectronics

Part # STA339BWS
Description  2.1-channel 40-watt high-efficiency digital audio system Sound Terminal®
PDF  76 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA339BWS Datasheet(HTML) 40 Page - STMicroelectronics

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STA339BWS
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Doc ID 15276 Rev 5
2.1 channels, two full-bridges + one external full-bridge (OCFG = 10)
Mapping:
●
FFX1A -> OUT1A
●
FFX1B -> OUT1B
●
FFX2A -> OUT2A
●
FFX2B -> OUT2B
●
FFX3A -> OUT3A
●
FFX3B -> OUT3B
●
EAPD -> OUT4A
●
TWARN -> OUT4B
Default modulation:
●
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 multiplexed.
In this configuration the PWM slot phase is the following as shown in Figure 17.
Figure 17.
2.1 channels (OCFG = 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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