ak4569 AKM Semiconductor, Inc., ak4569 Datasheet - Page 33

• Manufacturer Part Number: ak4569
• Description: 20-bit Stereo Codec With Ipga & Hp-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
MS0292-E-01
Addr
06H
MCKPD: MCLK Input Buffer Control
MCKAC: MCLK Input Mode Select
DFS: Sampling Speed Mode Select (Table 2)
DIF1-0: Audio Data Interface Format
HPM: Mono Output Select of Headphone
ATS: Digital attenuator transition time setting (Table 15)
Register Name
Mode Control
Default
Default: “10” (Mode 2)
0: Normal Operation (Default)
1: Mono. (L+R)/2 signals from the DAC are output to both Lch and Rch of headphone.
Setting of HPM bit is enabled only at DACL=DACR= “1”.
0: Enable (Default)
1: Disable
When MCLK input with AC coupling is stopped, MCKPD bit should be set to “1”.
0: CMOS input (Default)
1: AC coupling input
DACL
0
1
Table 15. Transition time between set values of ATT7-0 bits
ATS
0
1
HPM
Table 14. Mono Output Select of Headphone
MCKAC
x
0
1
D7
0
0dB to MUTE
1061/fs
7424/fs
MCKPD
(Note. Rch is same.)
D6
0
Output (L+R)/2 from DAC
ATT speed
Output from Lch of DAC
No output from DAC
HPL pin Output
- 33 -
D5
0
0
1 step
29/fs
4/fs
ATS
D4
0
Default
HPM
D3
0
Default
DIF1
D2
1
DIF0
D1
0
[AK4569]
2005/07
DFS
D0
0