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STA381BWS Datasheet(PDF) 51 Page - STMicroelectronics

Part # STA381BWS
Description  Sound Terminal® 2.1-channel high-efficiency digital audio system
PDF  171 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA381BWS Datasheet(HTML) 51 Page - STMicroelectronics

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STA381BWS
Register description: New Map
Doc ID 018937 Rev 6
51/171
Figure 19.
OPER = 01
The STA381BWS can be configured to support different output configurations. For each
PWM output channel, a PWM slot is defined. A PWM slot is always 1 / (8 * fs) seconds
length. The PWM slot defines the maximum extension for the PWM rising and falling edge,
that is, the rising edge as well as the falling edge cannot range outside the PWM slot
boundaries.
Figure 20.
Output mapping scheme
Half
Bridge
Half
Bridge
Half
Bridge
Half
Bridge
OUT1A
OUT1B
OUT2A
OUT2B
Channel 3
OUT3B
OUT4B
OUT4A
OUT3A
Channel 1
Channel 2
Half
Bridge
Half
Bridge
Half
Bridge
Half
Bridge
OUT1A
OUT1B
OUT2A
OUT2B
Channel 3
OUT3B
OUT4B
OUT4A
OUT3A
Channel 1
Channel 2
FFX ™
modulator
REMAP
FFX1A
FFX1 B
FFX2 A
FFX 2B
OUT1A
OUT1B
OUT2A
OUT2B
Power
Bridge
OUT1A
OUT1B
OUT2A
OUT2B
FFX3 A
FFX3B
FFX4 A
FFX 4B
OUT3A
OUT3B
OUT4A
OUT4B
FFX ™
modulator
REMAP
FFX1A
FFX1 B
FFX2 A
FFX 2B
OUT1A
OUT1B
OUT2A
OUT2B
Power
Bridge
OUT1A
OUT1B
OUT2A
OUT2B
FFX3 A
FFX3B
FFX4 A
FFX 4B
OUT3A
OUT3B
OUT4A
OUT4B
FFX ™
modulator
REMAP
FFX1A
FFX1 B
FFX2 A
FFX 2B
OUT1A
OUT1B
OUT2A
OUT2B
Power
Bridge
OUT1A
OUT1B
OUT2A
OUT2B
FFX3 A
FFX3B
FFX4 A
FFX 4B
OUT3A
OUT3B
OUT4A
OUT4B
FFX ™
modulator
REMAP
FFX1A
FFX1 B
FFX2 A
FFX 2B
OUT1A
OUT1B
OUT2A
OUT2B
Power
Bridge
OUT1A
OUT1B
OUT2A
OUT2B
FFX3 A
FFX3B
FFX4 A
FFX ™
modulator
REMAP
FFX1A
FFX1 B
FFX2 A
FFX 2B
OUT1A
OUT1B
OUT2A
OUT2B
Power
Bridge
OUT1A
OUT1B
OUT2A
OUT2B
FFX3 A
FFX3B
FFX4 A
FFX 4B
OUT3A
OUT3B
OUT4A
OUT4B
FFX
modulator
REMAP
FFX1A
FFX1 B
FFX2 A
FFX 2B
OUT1A
OUT1B
OUT2A
OUT2B
Power
Bridge
OUT1A
OUT1B
OUT2A
OUT2B
FFX3 A
FFX3B
FFX4 A
FFX 4B
OUT3A
OUT3B
OUT4A
OUT4B
TM



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