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STA027 Fiches technique(PDF) 17 Page - STMicroelectronics

No de pièce STA027
Description  SBC CODEC
PDF  44 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA027 Fiches technique(HTML) 17 Page - STMicroelectronics

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STA027
5 Register description
CD00066274
17/44
5.2.6
PLL_AUDIO_PEL_176 :
Address : 0xE1 (225)
Type : RW - DEC
Software Reset : 54
Description :
This register must contain a PEL value that enables the audio PLL to generate a frequency of
ofact*176 kHz for the PCMCK.See table 1, 2 & 3.
Default value at soft reset assume :
–fact == 256
–
external crystal provide a CRYCK running at 14.31818 MHz
5.2.7
PLL_AUDIO_PEH_176 :
Address : 0xE2 (226)
Type : RW - DEC
Software Reset : 118
Description :
This register must contain a PEH value that enables the audio PLL to generate a frequency of
ofact*176 kHz for the PCMCK.See table 1, 2 & 3.
Default value at soft reset assume :
–
ofact == 256
–
external crystal provide a CRYCK running at 14.31818 MHz
5.2.8
PLL_AUDIO_NDIV_176 :
Address : 0xE3 (227)
Type : RW - DEC
Software Reset : 0
Description :
This register must contain a NDIV value that enables the audio PLL to generate a frequency of
ofact*176 kHz for the PCMCK.See table 1, 2 & 3.
b7
b6
b5
b4
b3
b2
b1
b0
b7
b6
b5
b4
b3
b2
b1
b0
b7
b6
b5
b4
b3
b2
b1
b0



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