English
Language : 

AKD4671-B Datasheet, PDF (9/51 Pages) Asahi Kasei Microsystems – stereo CODEC with built-in Microphone-Amplifier
[AKD4671-B]
(3-1-2) Evaluation of Loop-back using AK4114
J12 (EXT) is used. Nothing should be connected to PORT1 (DIR), PORT2 (DIT) and PORT4 (DSP).
X’tal oscillator should be removed from X2.
The jumper pins should be set as the following.
JP39
EXT
JP36
MCLK
DIR
EXT
JP33
JP38
BICK_SEL LRCK_SEL
DIR 4040 DIR 4040
JP46
4114_MCKI
JP35
PHASE
THR INV
JP51
SDTI_SEL
DIR ADC
JP7
MCKO
JP48
M/S
Master Slave
When a termination (51Ω) is unnecessary, please set JP39 (EXT) open.
(3-1-3) All interface signals including master clock are fed externally
PORT4 (DSP) is used. Nothing should be connected to PORT1 (DIR) and PORT2 (DIT).
The jumper pins should be set as the following.
JP39
EXT
JP36
MCLK
DIR
EXT
JP33
JP38
BICK_SEL LRCK_SEL
DIR 4040 DIR 4040
JP46
4114_MCKI
JP35
PHASE
THR INV
JP51
SDTI_SEL
DIR ADC
JP48
M/S
Master Slave
<KM089000>
-9-
2007 / 05