STA016 STMICROELECTRONICS [STMicroelectronics], STA016 Datasheet - Page 34

• Manufacturer Part Number: STA016
• Description: MPEG 2.5 LAYER III AUDIO DECODER SUPPORTING CD-ROM CAPABILITY
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STA016A
Description :
This register specifies the high cut frequency: fcut(in
Hz)=(TONE_FCUTH+1)*50.
6.14.3 TONE_FCUTL :
Address : 0x7C(124)
Type : RW - ABO
Software Reset : 10
Description :
This register specifies the low cut frequency: fcut(in
Hz) = (TONE_FCUTL+1)*10
6.14.4 TONE_GAINH :
Address : 0x7D(125)
Type : RW - ABO
Software Reset : 12
Description :
This register specifies the gain on high frequencies:
6.15 TABLES
Table 36. values to configure audio PLL for ofact==256.
This table give values to configure the audio PLL according CRYCK so that to generate a PCMCK == 256*SF.
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b7
b7
PLL_AUDIO_MDIV_192
PLL_AUDIO_MDIV_176
PLL_AUDIO_NDIV_192
PLL_AUDIO_NDIV_176
PLL_AUDIO_XDIV_192
PLL_AUDIO_XDIV_176
PLL_AUDIO_PEH_192
PLL_AUDIO_PEH_176
PLL_AUDIO_PEL_192
PLL_AUDIO_PEL_176
b6
b6
Register
b5
b5
b4
b4
b3
b3
b2
b2
b1
b1
CRYCK in MHz
169
b0
b0
10
42
18
56
16
17
0
3
0
3
gain(in Db)=(TONE_GAINH-12)*1.5
6.14.5 TONE_GAINL :
Address : 0x7E(126)
Type : RW - ABO
Software Reset : 12
Description :
This register specifies the gain on high frequencies:
gain (in Db)=(TONE_GAINL-12)*1.5. Value of regis-
ter from 0 to 24.
6.14.6 TONE_GAIN_ATTEN :
Address : 0x7F(127)
Type : RW - ABO
Software Reset : 0
Description :
This register specifies the attenuation on global spec-
trum: gain (in dB)=-TONE_GAIN_ATTEN*1.5. Value
of register from 0 to 12.
b7
b7
b6
b6
CRYCK in MHz
14.31818
187
118
58
12
54
b5
b5
0
3
0
2
8
b4
b4
b3
b3
CRYCK in MHz
b2
b2
14.7456
85
85
64
11
0
0
2
0
0
3
b1
b1
b0
b0