AKD4394 Datasheet, PDF (5/21 Pages) Asahi Kasei Microsystems – EVALUATION BOARD REV.C FOR AK4394

ASAHI KASEI
[AKD4394]
4. DIP switch set-up
Confirm the set-up of the DIP switch before the operation. “ON” means “H” and “OFF” means “L”.
4-1. Set-up of SW3, SW4(Mode set-up of AK4394: see the data sheet of AK4394)
DIF2
OFF
OFF
OFF
OFF
ON
DIF1
OFF
OFF
ON
ON
OFF
DIF0
Mode
BICK
OFF 0: LSB justified, 16bit
ON 1: LSB justified, 20bit
OFF 2: LSB justified, 24bit
ON 3: I²S
OFF 4: MSB justified, 24bit
≥32fs
≥40fs
≥48fs
≥48fs
≥48fs
(default)
Table 2 Audio Serial Interface Format Select Pins (SW3-5,6,7)
4-2. Set-up of SW6 (Mode set-up of CS8414. About details, see the data-sheet of CS8414)
Adjust the audio data format of CS8414 (DIR) to AK4394. CS8414 does not match the LSB justified 20bit/24bit mode of
AK4394.
M3
(SW6-2)
OFF
OFF
OFF
M2
(SW6-3)
OFF
OFF
ON
M1
(SW6-4)
OFF
ON
OFF
M0
(SW6-5)
Data format
OFF
MSB justified, 24bit
OFF
I²S
ON
LSB justified, 16bit
Table 3 Set-up of SW6
JP4
INV
THR (default)
THR
SW6-1(SEL) :Usually ON.
SW6-6(CS12): Select the channel for indicating the channel status.
ON: Rch (default), OFF: Lch
5. Parallel/Serial Control
SW5: set up P/S pin of AK4394.
H: parallel mode. PORT3 is used JP11, 12 and 13 should be open.
L: serial mode. PORT3 is used. JP11, 12 and 13 should be open.
6. Other set-up
SW1: Reset of AK4394. Select "H" during operation.
SW2: Soft-mute of AK4394. The soft-mute is executed during SW2 pushed.
LE1 : This LED shows pre-emphasis status. It turns on when the data is pre-emphasized.
LE2 : This LED shows the output of VERF pin in CS8414. It turns on when the error is occured in CS8414.
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