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AKD4671-B Datasheet, PDF (16/51 Pages) Asahi Kasei Microsystems – stereo CODEC with built-in Microphone-Amplifier
[AKD4671-B]
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
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
(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.
JP40
XTE
JP41
MCLK2
XTL
EXT1
JP43
BICK2_SEL
JP45
LRCK2_SEL
JP49
PLLBT
BICKA BICKB LRCKA LRCKB BICKA BICKB
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
JP54
BICKA PHASE BICKB PHASE
THR
INV THR
INV
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