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STA382BW 데이터시트(PDF) 161 Page - STMicroelectronics

부품명 STA382BW
상세설명  Sound Terminal® 2.1-channel high-efficiency digital audio system
PDF  172 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA382BW 데이터시트(HTML) 161 Page - STMicroelectronics

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STA382BW
Register description: Sound Terminal compatibility
Doc ID 022783 Rev 1
161/172
7.28
Charge pump synchronization (address 0x5F)
Table 182.
Charge pump sync configuration bits
The charge pump can be synchronized with the PWM frame in order to minimize the
crosstalk between the charge pump and the PWM waveform.
This functionality cannot be activated when the PWMS bit (address 0x15 bit D4) is set to 1.
D7
D6
D5
D4
D3
D2
D1
D0
Reserved
Reserved
CHPI
INITCNT[3:0]
CHPRD
00
01
10
0
1
Bit
R/W
RST
Name
Description
5
R/W
0
CHPI
0: Charge pump phase: 0 deg
1: Charge pump phase: 180 deg
4R/W
1
INITCNT[3:0]
Change charge pump phase at one clock step
3R/W
1
2R/W
0
1R/W
0
0
R/W
1
CHPRD
0: Charge pump synchronized with PWM frame
0: Charge pump not synchronized with PWM frame



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