AKD4621-B Datasheet, PDF (6/50 Pages) Asahi Kasei Microsystems – AK4621 Evaluation board Rev.2

[AKD4621-B]
2-3) AK4114’s master clock mode & reference X’tal frequency
Mode
SW3-6
(CM1)
0
OFF
SW3-7
(CM0)
PLL
X'tal Clock source
OFF ON
OFF
PLL
Table 11. Clock Operation Mode
SDTO
RX
SW3-1 SW3-2
(XTL1) (XTL0)
X’tal Frequency
ON
ON
OFF
Table 12. Reference X’tal frequency
2-4) Set up the digital filter
a) Parallel mode (Default)
SW1-2
(SDFIL)
Digital Filter
OFF
Minimum Delay
ON
Sharp Roll-off
Table 13. Digital Filter Selection in parallel mode
b) Serial mode
Set up the register of the AK4621 via the pint port (PORT3).
SW1-2 SDAD SLOW
(SDFIL) bit
bit
Digital Filter
OFF
0
0
Sharp Roll-off
OFF
0
1
Slow Roll-off
OFF
1
0
Minimum Delay
Table 14. Digital Filter Selection in serial mode
<KM100802>
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2010/12