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AKD4671-B Datasheet, PDF (18/51 Pages) Asahi Kasei Microsystems – stereo CODEC with built-in Microphone-Amplifier
[AKD4671-B]
JP54 (BICKB PHASE) is jumper which decides polarity of BICKB, “THR” or “INV” should be selected
according to the PCM I/F format.
JP47 (BICKA PHASE) should be set to “THR”.
JP47
JP54
BICKA PHASE BICKB PHASE
THR
INV THR
INV
In case of loop-back “SDTOA → SDTIA” and “SDTOB → SDTIB”, please set JP50 (SDTOA LOOP) and
JP55 (SDTOB LOOP) short.
JP50
SDTOA LOOP
JP55
SDTOB LOOP
(2-2) SYNCB and BICKB are fed externally via PORT6 (Bluetooth Module).
PORT3 (Baseband Module) and PORT6 (Bluetooth Module) are used.
Please supply SYNCB and BICKB from PORT6.
The jumper pins should be set as the following.
JP40
XTE
JP41
MCLK2
XTL
EXT1
JP43
BICK2_SEL
JP45
LRCK2_SEL
JP49
PLLBT
BICKA BICKB LRCKA LRCKB BICKA BICKB
JP54 (BICKB PHASE) is jumper which decides polarity of BICKB, “THR” or “INV” should be selected
according to the PCM I/F format.
JP47 (BICKA PHASE) should be set to “THR”.
JP47
JP54
BICKA PHASE BICKB PHASE
THR
INV THR
INV
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