AKD4121 Datasheet, PDF (7/35 Pages) Asahi Kasei Microsystems – AK4121 Evalation Board Rev.B

ASAHI KASEI
[AKD4121]
1-3. SDTI is fed through the 10-pin port and other clocks are fed from the AK4112B.
The X1(X’tal) or external clock (via PORT1) can be used as the system clock of the input block. Please
remove X1 when unsed. The system clock can be selected as 256fsi or 512fsi. This clock is not used for the
AK4121 directly.
1-3-a. Jumper setting
Parts No.
Setting
JP1
OPEN: Using X’tal
IN : System clock providing from 10port
JP2
SHORT
JP3
OPEN
JP4
SHORT
Table 4. DIP switch (SW3) setting(Refer following figures)
JP1
JP2
JP3
JP4
OUT
IN
IMCLK
IBICK
SDTI
Using X’tal setting
ILRCK
JP1
JP2
JP3
JP4
OUT
IN
IMCLK
IBICK
SDTI
ILRCK
Using external clock
Figure 6. Jumper Setting
<KM069301>
-7-
2004/08