STA335BWS View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STA335BWS

2.1 channels high efficiency digital audio system

STMicroelectronics 

STA335BWS

Register description

2.1 channels, two half bridges + one full bridge (OCFG = 01):

" DDX1A ' OUT1A

" DDX2A ' OUT1B

" DDX3A ' OUT2A

" DDX3B ' OUT2B

" DDX1A ' OUT3A

" DDX1B ' OUT3B

" DDX2A ' OUT4A

" DDX2B ' OUT4B

" DDX1A/1B configured as binary

" DDX2A/2B configured as binary

" DDX3A/3B configured as binary

" DDX4A/4B is not used

In this configuration, channel 3 has full control (for example, on volume and EQ). 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 the next figures:

Figure 14. 2.1 channels (OCFG = 01) PWM slots

OUT1A

OUT1B

OUT2A

OUT2B

OUT3A

OUT3B

OUT4A

OUT4B

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