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STA321MPL1 Fiches technique(PDF) 70 Page - STMicroelectronics

No de pièce STA321MPL1
Description  Scalable digital microphone processor
PDF  80 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA321MPL1 Fiches technique(HTML) 70 Page - STMicroelectronics

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Configuration registers (0x77; 0x78; 0x79)
STA321MPL1
70/80
DocID029389 Rev 1
6.5.10
Clock manager configuration
PLL configuration registers (0x71, 0x72, 0x73, 0x74)
PLL multiplication factor (fractional part, H) (0x71)
PLL multiplication factor (fractional part, L) (0x72)
PLL multiplication factor (integral part) named as N Division Factor (NDIV)
and dithering (0x73)
D7
D6
D5
D4
D3
D2
D1
D0
PLLFI[15:8]
00
000
00
0
D7
D6
D5
D4
D3
D2
D1
D0
PLLFI[7:0]
00
000
00
0
D7
D6
D5
D4
D3
D2
D1
D0
PLLDD[1:0]
PLLND[5:0]
00
000
00
0
Bit
RW
RST
Name
Description
7
RW
0
PLLDD1
PLL dithering:
00: PLL clock dithering disabled
01: PLL clock dithering enabled (triangular)
10: PLLclock dithering enabled (rectangular)
11: reserved
6
RW
0
PLLDD0
5
RW
0
PLLND5
N (loop) Division Factor
This factor should be:
4
RW
0
PLLND4
3
RW
0
PLLND3
2
RW
1
PLLND2
1
RW
0
PLLND1
0
RW
1
PLLND0
5N
≤ DIV 55



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