AKD4112B Datasheet, PDF (3/17 Pages) Asahi Kasei Microsystems – AKD4112B EVALUATION BOARD

ASAHI KASEI
[AKD4112B]
n Jumper set up. (See the datasheet of AK4112B)
No. Jumper Name
Function
1 RX0
RX0 input circuit set-up.
OPT : Optical (default)
BNC : BNC
SDA/CDTO pin set-up
2 SDA/CDTO
Serial mode : Short both “SDA” and “CDTO/CM0=L”. (default)
Parallel mode : Select CM0=”H” or CM0=”L” to set CM0
3
Don’t care
5,6,8 RX4-7
Don’t care
4 DIT MCLK
Don’t care
MCKO set-up for PORT4(DIR; DAC)
7 DIR MCLK ,
MCKO1 : MCKO1 of AK4112B (default)
MCKO2 : MCKO2 of AK4112B
9 TX0
Don’t care
10 TX1
Don’t care
11 BNC
Don’t care
12 4112B VD
Power supply source set-up for DVDD of AK4112B.
D3V : from Digital 3V Jack (default)
A3V : from Analog 3V Jack.
13 REG3V
Power supply source set-up for AVDD of AK4112B.
Open : from Analog 3V Jack (default)
Short : from the regulator. Do not connect anything the Analog 3V Jack.
14 4395_DVDD
Power supply source set-up for DVDD of AK4394.
D5V : from Digital 5V Jack (default)
A5V : from Analog 5V Jack
15 REG5V
Power supply source set-up for AVDD of AK4394.
Open : from Analog 5V Jack (default)
Short : from the regulator. Do not connect anything the Analog 5V Jack.
Connection of AGND2(AK4112B AVSS) and DGND(AK4112B DVSS)
16 AGND2/DGND
Open : Separate two grounds.
Short : Connect two grounds. (default)
Connection of AGND(AK4394 AVSS) and DGND(AK4112B DVSS)
17 AGND2/DGND
Open : Separate two grounds. (default)
Short : Connect two grounds.
<KM065901>
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2002/12