ak4560a AKM Semiconductor, Inc., ak4560a Datasheet - Page 27

• Manufacturer Part Number: ak4560a
• Description: 16bit Codec With Alc And Mic/hp/spk-amps
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Output PGA Control
MS0028-E-00
Addr
09H
OPGA4-0: Output analog PGA; 32 Level; 0dB -50dB, Mute.
Output PGA Control
RESET
Register Name
R/W
RESET
These bits can change volume of Headphone-Amps and Speaker-Amp.
This volume includes zero crossing detection, and it does L/R channels independently. Zero
crossing timeout is proportional to sampling rate, To = 512/fs.
10.7ms = 512/fs@fs=48kHz
16ms = 512/fs@fs=32kHz
DATA
1DH
0DH
1FH
1EH
0FH
0EH
10H
05H
04H
03H
02H
01H
00H
D7
Table 15. ATT value of Analog Volume
0
0
GAIN(dB)
RD
D6
0
0
Mute
-15
-16
-18
-20
-36
-38
-42
-46
-50
+0
-1
-2
- 27 -
D5
0
0
STEP
1dB
2dB
4dB
OPGA4
D4
1
LEVEL
OPGA3 OPGA2 OPGA1 OPGA0
17
11
3
1
D3
1
R/W
D2
1
D1
1
[AK4560A]
2000/05
D0
1