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STA339BWS Fiches technique(PDF) 39 Page - STMicroelectronics

No de pièce STA339BWS
Description  2.1-channel 40-watt high-efficiency digital audio system Sound Terminal®
PDF  76 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA339BWS Fiches technique(HTML) 39 Page - STMicroelectronics

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STA339BWS
Register description
Doc ID 15276 Rev 5
39/76
2.1 channels, two half-bridges + one full-bridge (OCFG = 01)
Mapping:
●
FFX1A -> OUT1A
●
FFX2A -> OUT1B
●
FFX3A -> OUT2A
●
FFX3B -> OUT2B
●
FFX1A -> OUT3A
●
FFX1B -> OUT3B
●
FFX2A -> OUT4A
●
FFX2B -> OUT4B
Modulation:
●
FFX1A/1B configured as binary
●
FFX2A/2B configured as binary
●
FFX3A/3B configured as binary
●
FFX4A/4B configured as binary
In this configuration, channel 3 has full control (volume, EQ, etc…). On OUT3/OUT4
channels the channel 1 and channel 2 PWM are replicated.
In this configuration the PWM slot phase is the following as shown in Figure 16.
Figure 16.
2.1 channels (OCFG = 01) 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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