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STA321 数据表(PDF) 55 Page - STMicroelectronics

部件名 STA321
功能描述  4-channel digital audio system with FFX??driver
PDF  157 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STA321 数据表(HTML) 55 Page - STMicroelectronics

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STA321
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Doc ID 15351 Rev 3
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7.3
PWM shift feature
In new phase shift modulation it is possible to shift one output with respect to the other one.
This can reduce the noise generated by the simultaneous switching of two or more outputs.
The shift is performed through by programming bits PS_nA and PS_nB in registers
PWMOnCFG1-2 (where n is the number, 1 to 4, of the output) beginning on page 91.
Figure 32.
New phase shift modulation with shift feature
A-B
A
B
without
shift
A
B
with
shift
A-B
dn
up
up’



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