AK4340_06 AKM [Asahi Kasei Microsystems], AK4340_06 Datasheet - Page 18

• Manufacturer Part Number: AK4340_06
• Description: 192kHz 24-Bit Stereo ?? DAC with 2Vrms Output
• Manufacturer: AKM [Asahi Kasei Microsystems]

ASAHI KASEI
MS0501-E-00
Addr
Addr
00H
01H
Register Definitions
RSTN: Internal timing reset control
PW: Power down control
DIF2-0: Audio data interface formats (see Table 5)
ACKS: Master Clock Frequency Auto Setting Mode Enable
SMUTE: Soft Mute Enable
DEM1-0: De-emphasis Response (see Table 7)
DFS1-0: Sampling speed control
Control 1
Control 2
default
default
Register Name
Register Name
1: Normal Operation
0: Reset. All registers are not initialized.
1: Normal Operation
When MCLK frequency or DFS changes, the click noise can be reduced by RSTN bit.
0: Power down. All registers are not initialized.
Initial: “010”, Mode 2
0: Disable, Manual Setting Mode
1: Enable, Auto Setting Mode
Master clock frequency is detected automatically at ACKS bit “1”. In this case, the settings of DFS1-0
are ignored. When this bit is “0”, DFS1-0 set the sampling speed mode.
0: Normal operation
1: DAC outputs soft-muted
Initial: “01”, OFF
00: Normal Speed Mode
01: Double Speed Mode
10: Quad Speed Mode
When changing between Normal/Double Speed Mode and Quad Speed Mode, some click noise
occurs.
ACKS
D7
D7
1
0
0
D6
D6
0
0
0
0
D5
D5
0
0
0
0
- 18 -
DIF2
DFS1
D4
D4
0
0
DFS0
DIF1
D3
D3
1
0
DEM1
DIF0
D2
D2
0
0
DEM0
PW
D1
D1
1
1
[AK4340]
SMUTE
2006/04
RSTN
D0
D0
1
0