AK4392 AKM [Asahi Kasei Microsystems], AK4392 Datasheet - Page 34

• Manufacturer Part Number: AK4392
• Description: High Performance 120dB Premium 32-Bit DAC
• Manufacturer: AKM [Asahi Kasei Microsystems]

Addr Register Name
Addr Register Name
02H Control 3
03H Lch ATT
04H Rch ATT
SELLR: The data selection of L channel and R channel, when MONO mode
DZFB: Inverting Enable of DZF
MONO: MONO mode Stereo mode select
DCKB: Polarity of DCLK (DSD Only)
DCKS: Master Clock Frequency Select at DSD mode (DSD only)
DP:
ATT7-0: Attenuation Level
MS1045-E-02
FFH (0dB) to 00H (MUTE). If the PDN pin goes to “L”, the ATTs are initialized to FFH. The ATTs are FFH
when RSTN bit= “0”. When RSTN return to “1”, the ATTs fade to their current value. This digital attenuator is
independent of soft mute function.
DSD/PCM Mode Select
The transition between set values is soft transition of 7425 levels. It takes 7424/fs (168ms@fs=44.1kHz) from
0: All channel output R channel data, when MONO mode. (default)
1: All channel output L channel data, when MONO mode.
0: DZF pin goes “H” at Zero Detection (default)
1: DZF pin goes “L” at Zero Detection
0: Stereo mode (default)
1: MONO mode
0: DSD data is output from DCLK falling edge. (default)
1: DSD data is output from DCLK rising edge.
0: 512fs (default)
1: 768fs
0: PCM Mode (default)
1: DSD Mode
Default
Default
It is enabled when MONO bit is “1”, and outputs Rch date to both channels when “0”,outputs Lch data to
both channels when “1”.
When MONO bit is “1”, MONO mode is enabled.
When D/P bit is changed, the AK4392 should be reset by RSTN bit.
256 levels, 0.5dB step
Data
FFH
FEH
FDH
02H
01H
00H
:
:
Attenuation
-0.5dB
-1.0dB
-126.5dB
-127.0dB
MUTE (-∞)
0dB
:
:
ATT7
ATT7
DP
D7
D7
0
1
ATT6
ATT6
D6
D6
0
0
1
- 34 -
DCKS
ATT5
ATT5
D5
D5
0
1
DCKB
ATT4
ATT4
D4
D4
0
1
MONO
ATT3
ATT3
D3
D3
0
1
DZFB
ATT2
ATT2
D2
D2
0
1
SELLR
ATT1
ATT1
D1
D1
0
1
[AK4392]
2009/04
ATT0
ATT0
D0
D0
0
0
1