AK4458VN Datasheet, PDF (71/83 Pages) Asahi Kasei Microsystems – 115dB 768kHz 32-bit 8ch Premium DAC

[AK4458]
Addr Register Name
02H Control 3
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
DP
0
DCKS DCKB MONO1 DZFB SELLR1 SLOW
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
SLOW: Slow Roll-off Filter Enable. (Table 12)
0: Sharp roll-off filter (default)
1: Slow roll-off filter
SELLR1: The data selection of DAC1 L channel and R channel, when MONO mode (Table 22)
Default value is “0”.
DZFB: Inverting Enable of DZF (Table 21)
0: DZF pin goes “H” at Zero Detection (default)
1: DZF pin goes “L” at Zero Detection
MONO1: DAC1 enters monaural output mode when MONO bit = “1”. (Table 22)
0: Stereo mode (default)
1: MONO mode
DCKB:Polarity of DCLK (DSD Only)
0: DSD data is output from DCLK falling edge. (default)
1: DSD data is output from DCLK rising edge.
DCKS: Master Clock Frequency Select at DSD mode (DSD only)
0: 512fs (default)
1: 768fs
DP: DSD/PCM Mode Select
0: PCM Mode (default)
1: DSD Mode
The AK4458 must be reset by RSTN bit when changing DP bit setting.
Addr Register Name
03H L1ch ATT
04H R1ch ATT
R/W
Default
D7
ATT7
ATT7
R/W
1
D6
ATT6
ATT6
R/W
1
D5
ATT5
ATT5
R/W
1
D4
ATT4
ATT4
R/W
1
D3
ATT3
ATT3
R/W
1
D2
ATT2
ATT2
R/W
1
D1
ATT1
ATT1
R/W
1
D0
ATT0
ATT0
R/W
1
ATT7-0: Attenuation Level (Table 18)
Default value is “FF” (0dB)
014011794-E-00
- 71 -
2015/01