STA339BWS datasheet(39/79 Pages) STMICROELECTRONICS

Part #	STA339BWS

Description	2.1-channel 40-watt high-efficiency digital system Sound Terminal

PDF	79 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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39 / 79 page

DocID015276 Rev 9

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STA339BWS

2.0 channels, two full-bridges (OCFG = 00)

Mapping:



FFX1A -> OUT1A



FFX1B -> OUT1B



FFX2A -> OUT2A



FFX2B -> OUT2B



FFX3A -> OUT3A



FFX3B -> OUT3B



FFX4A -> OUT4A



FFX4B -> OUT4B

Default modulation:



FFX1A/1B configured as ternary



FFX2A/2B configured as ternary



FFX3A/3B configured as lineout ternary



FFX4A/4B configured as lineout ternary

On channel 3 line out (LOC bits = 00) the same data as channel 1 processing is sent. On

channel 4 line out (LOC bits = 00) the same data as channel 2 processing is sent. In this

configuration, volume control or EQ have no effect on channels 3 and 4.

In this configuration the PWM slot phase is the following as shown in Figure 16.

Figure 16. 2.0 channels (OCFG = 00) PWM slots

OUT1A

OUT1B

OUT2A

OUT2B

OUT3A

OUT3B

OUT4A

OUT4B

OUT1A

OUT1B

OUT2A

OUT2B

OUT3A

OUT3B

OUT4A

OUT4B

STA339BWS Datasheet(PDF) 39 Page - STMicroelectronics

STA339BWS Datasheet(HTML) 39 Page - STMicroelectronics

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