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STA311B Datasheet(PDF) 92 Page - STMicroelectronics

Part # STA311B
Description  Multichannel digital audio processor with FFXTM
PDF  102 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA311B Datasheet(HTML) 92 Page - STMicroelectronics

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Configuration registers (0x77; 0x78; 0x79)
STA311B
92/102
DocID024340 Rev 1
9.5.9
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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