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AKD4126-A Datasheet, PDF (6/29 Pages) Asahi Kasei Microsystems – digital sample rate converter.
ASAHI KASEI
[AKD4126-A]
(2). Set up jumper pins and DIP-switches of output PORT
(2)-1. DIT functions of AK4114 (U3) are used. (Default)
(2)-1-1. Set up TX
Select output connector of TX by JP15 (TX).
(a) TX is output from J3 (COAX)
(b) TX is output from PORT3 (OPT)
JP15
TX
JP15
TX
COAX OPT
(CO AX)
COAX OPT
(O PT)
(2)-1-2. Set up XTI
Clock source of XTI of the AK4114 (U3) is selected by JP16 (XTI-TX) and JP17 (XTE-TX). When X’tal:
X2 is selected, and OBICK frequency and OLRCK frequency are changed, the value of X’tal: X2 should be
changed.
(a) XTI is supplied from X’tal: X2
(b) XTI is supplied from J4 (XTI-TX)
JP16
X T I-T X
JP17
X T E -T X
JP16
X T I-T X
JP17
X T E -T X
(O pen)
(Short)
(S h o rt)
(O p en )
(2)-1-3. Set up OBICK, OLRCK and SDTO
Clocks (OBICK and OLRCK) of the AK4126 (U1) are supplied from the AK4114 (U3), and data (SDTO)
of the AK4126 (U1) is output to the AK4114 (U3). As 10-pin connector: PORT4 (OUTPUT) is not used,
please don’t connect anything.
JP21
O M C LK
JP19
O BIC K 1
JP20
OLRCK
JP18
SDTO
(O pen)
(S h o rt)
(S h o rt)
(S h o rt)
<KM083203>
-6-
2007/01