ASAHI AKD4671-B, Manual

Page: 19 / 52

[AKD4671-B]
<KM089001> 2008 / 03
- 19 -
JP47 (BICKA PHASE) is jumper which decides polarity of BICKA, “THR” or “INV” should be selected
according to the PCM I/F format.
JP54 (BICKB PHASE) should be set to “THR”.
In case of loop-back “SDTOA → SDTIA” and “SDTOB → SDTIB”, please set JP50 (SDTOA LOOP) and
JP55 (SDTOB LOOP) short.
(1-2) SYNCA and BICKA are fed externally via PORT3 (Baseband Module).
PORT3 (Baseband Module) and PORT6 (Bluetooth Module) are used.
SYNCA and BICKA should be supplied from PORT3.
The jumper pins should be set as the following.
JP47 (BICKA PHASE) is jumper which decides polarity of BICKA, “THR” or “INV” should be selected
according to the PCM I/F format.
JP54 (BICKB PHASE) should be set to “THR”.
JP47
BICKA PHASE
INV THR
JP54
BICKB PHASE
INV THR
JP50
SDTOA LOOP
JP55
SDTOB LOOP
JP41
MCLK2
XTL
EXT1
JP43
BICK2_SEL
BICKB BICKA
JP40
XTE
JP49
PLLBT
BICKB BICKA
JP45
LRCK2_SEL
LRCKB LRCKA
JP47
BICKA PHASE
INV THR
JP54
BICKB PHASE
INV THR