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AK4117_10 Datasheet, PDF (25/37 Pages) Asahi Kasei Microsystems – Low Power 192kHz Digital Audio Receiver | |||
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[AK4117]
â Register Definitions
Addr
Register Name
00H Power Down Control
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0 EXCK XTL1 XTL0 PWN RSTN
RD
RD
RD R/W R/W R/W R/W R/W
0
0
0
0
0
0
1
1
RSTN: Timing Reset & Register Initialize
0: Reset & Initialize (except RSTN, PWN, XTL1-0 and EXCK bits)
1: Normal Operation (Default)
PWN: Power-Down for Clock Recovery Part
0: Power Down
1: Normal Operation (Default)
XTL1-0: Reference Xâtal Frequency Select (Table 4; Default: 00)
EXCK: External Clock Mode Select
0: Xâtal mode (Default)
1: External clock mode (Feedback resistor of Xâtal oscillator circuit is open.)
Addr
Register Name
01H Clock Control
R/W
Default
D7
D6
D5
D4
D3
D2
D1
LP PCKS1 PCKS0 DIV XCKS1 XCKS0 CM1
R/W R/W R/W R/W R/W R/W R/W
1
0
1
0
0
1
0
CM1-0: Master Clock Operation Mode Select (Table 1; Default: 00)
XCKS1-0: Master Clock Frequency Select at Xâtal Mode (Table 3; Default: 01)
DIV: Master Clock Output Select at Xâtal Mode
0: Same frequency as Xâtal (Default)
1: Half frequency of Xâtal
PCKS1-0: Master Clock Frequency Select at PLL Mode (Table 2; Default: 01)
LP: Low Power Mode Select (Table 2)
0: Normal mode
1: Low power mode (Default)
In low power mode, fs cannot exceed 48kHz.
D0
CM0
R/W
0
MS0157-E-04
- 25 -
2010/08
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