AKD4641EN-A Datasheet, PDF (5/54 Pages) Asahi Kasei Microsystems – 16bit stereo CODEC with built-in Microphone-amplifier and 16bit Mono CODEC for Bluetooth Interface.

ASAHI KASEI
[AKD4641EN-A]
2. Evaluation of 16bit Mono CODEC
(2-1) Set up jumper pins of BBICK clock
(2-2) Set up jumper pins of BSYNC clock
(2-3) Set up jumper pins of two types of data formats
(2-4) Evaluation of ADC (AUXIN) using 16bit Mono CODEC
(2-5) Evaluation of DAC (MOUT) using 16bit Mono CODEC
(2-6) Evaluation of Loop Back (ADC → DAC) using 16bit Mono CODEC <default>
(2-1) Set up jumper pins of BBICK clock
Input frequency of BBICK can be set up in turn “32fs”,”64fs” or “128fs” from left.
JP18
BBICK_SEL
JP18
BBICK_SEL
JP18
BBICK_SEL
EXT 32fs 64fs 128fs
EXT 32fs 64fs 128fs
EXT 32fs 64fs 128fs
(2-2) Set up jumper pins of BSYNC clock
Input frequency of BSYNC can be set up in turn “2fs” or “1fs” from left.
JP20
BSYNC_SEL1
JP20
BSYNC_SEL1
EXT 1fs 2fs
EXT 1fs 2fs
When an external clock through a BNC connector (J10: BBICK and J11: BSYNC) is supplied, select EXT on
JP18 (BBICK_SEL) and JP20 (BSYNC_SEL) and short JP17 (XTE). JP22 (EXT1) and JP23 (EXT2) and R44
and R45 should be properly selected in order to much the output impedance of the clock generator.
(2-3) Set up jumper pins of two types of data formats
(2-3-1) Set up jumper pins of “I2S” <default>
JP21
BSYNC_SEL2
JP39
BBICK_INV
I2S SHORT
THR
INV
(2-3-2) Set up jumper pins of “Short Format Sync”
JP21
BSYNC_SEL2
JP39
BBICK_INV
I2S SHORT
THR
INV
<KM082001>
-5-
2006/03