AKD4390-SA Datasheet, PDF (3/29 Pages) Asahi Kasei Microsystems – AK4390 Sound quality evaluation board Rev.2

[AKD4390-SA]
„ Evaluation mode
1. DIR(COAX) (default)
The DIR generates MCLK, BICK, LRCK and SDATA from the received data through BNC connector (J7). It is possible for
the evaluation using such as CD test disk.
Setting:R87 = open; R88 = short (0Ω)
COAX is recommended for an evaluation of the Sound quality.
2. DIR(Optical)
The DIR generates MCLK, BICK, LRCK and SDATA from the received data through Optical connector (PORT2). It is
possible for the evaluation using such as CD test disk.
Setting:R87 = short (0Ω); R88 = open
3. All clocks are fed through the PORT1.
Setting:
-R54, R55, R56, R58 = open
-R50, R51, R52 = 100Ω; R53 = 5.1Ω
„ DIP Switch setting
[SW1]: AK4115 setting
No.
Pin
OFF
ON
1
OCKS1 ^{Master Clock setting of AK4115}
2
OCKS0 ^{Refer to Table 4}
Table 2. SW1 setting
Default
ON
OFF
[SW2]: AK4390 setting
No.
Pin
1
-
2
P/S
OFF
ON
-
-
Serial mode
Parallel mode
Table 3. SW2 setting
Default
-
OFF
<KM093004>
3
2009/02