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STA321 Datasheet(PDF) 54 Page - STMicroelectronics

Part # STA321
Description  4-channel digital audio system with FFX??driver
PDF  157 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA321 Datasheet(HTML) 54 Page - STMicroelectronics

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Doc ID 15351 Rev 3
In particular, for the traditional schemes (binary, phase shift), and the new one (new phase
shift modulation) the mode bits must be set according to Table 23 below.
Figure 31.
Modulation waveforms corresponding to Table 23
Table 23.
Modulation type with register programming
Register bit
PWMOnCFG1.PM_nA
Register bit
PWMOnCFG2.PM_nB
Resulting modulation
00
00
binary
01
01
10
10
phase shift
11
11
00
01
new phase shift
01
00
A: 10
B: 10
A-B
A: 00
B: 01
A: 01
B: 01
A-B
PWM mode
Binary
Phase shift
New phase
shift



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