ak4528 AKM Semiconductor, Inc., ak4528 Datasheet - Page 22

• Manufacturer Part Number: ak4528
• Description: High Performance 24bit 96khz Audio Codec
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
MS0011-E-01
Addr
04H
05H
ATTL/R6-0: DAC ATT Level (see Table 8)
Register Name
Lch OATT Control
Rch OATT Control
The OATTs are set to “00H” when PDN pin goes “L”. After returning to “H”, the OATTs fade in the
initial value, “7FH” by 8031 cycles. The OATTs are set to “00H” when PWDA goes “0”. After returning to
“1”, the OATTs fade in the current value. The OATTs are set to “00H” when RSTDAN goes “0”. Afer
returning to “1”, the OATTs fade in the current value.
-100
default
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
Default : 7FH (0dB)
127
111
D7
0
0
0
95
Figure 10. ATT characteristics
ATTR6
ATTL6
D6
79
1
Input Data(Level)
Step (dB)
- 22 -
ATTL5
ATTR5
D5
63
1
ATT (dB)
ATTL4
ATTR4
47
D4
1
ATTR3
ATTL3
31
D3
1
ATTR2
ATTL2
15
D2
1
ATTR1
ATTL1
D1
1
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
[AK4528]
ATTL0
ATTR0
2004/01
D0
1