PCM9211
SBAS495 –JUNE 2010
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Register 24h, Oscillation Circuit Control
(Address: 24h, Write and Read)
DATA
B7
B6
RSV
0
B5
RSV
0
B4
XMCKEN
0
B3
XMCKDIV1
0
B2
XMCKDIV0
0
B1
RSV
0
B0
RSV
0
Reg Name
Default Value
Memo
OSCAUTO
0
OSCAUTO: Oscillation Circuit Automatic Operation Control
0: Built-in oscillator circuit always operates (default)
1: Built-in oscillator circuit is stopped during lock state of DIR but is active when DIR locks and CLKST
is active
NOTES:
•
•
The XODIS command has more priority than this OSCAUTO register.
If XODIS is set to power down, the XTI source is not output.
XMCKENX: MCKO (XTI Clock Buffered Output) Output Enable Control
0: MUTE (Logic low level) (default)
1: Output
XMCKDIV[1:0]: XMCKO (XTI Clock Buffered Output) Output Clock Dividing Ratio
00: XTI/1 (24.576 MHz) (default)
01: XTI/2 (12.288 MHz)
10: XTI/4 (6.144 MHz)
11: XTI/8 (3.072 MHz)
66
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