AK4397 Datasheet, PDF (30/37 Pages) Asahi Kasei Microsystems – High Performance Premium 32-Bit DAC

[AK4397]
Addr Register Name
02H Control 3
Default
D7
D6
D5
D4
D3
D2
D1
D0
D/P
DSDM DCKS DCKB
0
DZFB
0
0
0
0
0
0
0
0
0
0
DZFB: Inverting Enable of DZF
0: DZF pin goes “H” at Zero Detection (default)
1: DZF pin goes “L” at Zero Detection
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
DSDM: DSD Input Select
0: Input pin: #5, 6, 7 (default)
1: Input pin: #12, 13, 14
When DSDM bit is changed, the AK4397 should be reset by RSTN bit.
D/P: DSD/PCM Mode Select
0: PCM Mode (default)
1: DSD Mode
When D/P bit is changed, the AK4397 should be reset by RSTN bit.
Addr Register Name
03H Lch ATT
04H Rch ATT
Default
D7
ATT7
ATT7
1
D6
ATT6
ATT6
1
ATT7-0:
Attenuation Level
ATT = 20 log₁₀ (ATT_DATA / 255) [dB]
FFH: 0dB (default)
00H: Mute
D5
ATT5
ATT5
1
D4
ATT4
ATT4
1
D3
ATT3
ATT3
1
D2
ATT2
ATT2
1
D1
ATT1
ATT1
1
D0
ATT0
ATT0
1
MS0616-E-00
- 30 -
2007/05