AK4950 Datasheet, PDF (77/106 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK/Cap-less VIDEO-AMP & mini DSP

[AK4950]
Addr Register Name
D23
D22
D21
D20
D19
D18
D17
D16
01H Power Management 2 ADRST
0
0
0
M/S
PMMP MCKO PMPLL
R/W
R/W
R
R
R
R/W
R/W
R/W
R/W
Default
0
0
0
0
0
0
0
0
PMPLL: PLL Power Management
0: EXT Mode and Power down (default)
1: PLL Mode and Power up
MCKO: Master Clock Output Enable
0: Disable: MCKO pin = “L” (default)
1: Enable: Output frequency is selected by PS1-0 bits.
PMMP: MIC Power Management
0: Power down (default)
1: Power up
M/S: Master / Slave Mode Select
0: Slave Mode (default)
1: Master Mode
ADRST: ADC Initializing Cycle Select
0: 1059/fs (default)
1: 267/fs
Addr
02H
Register Name
MIC gain Control 1
R/W
Default
D23
D22
D21
D20
D19
D18
D17
D16
0
0
0
0
MGAIN3 MGAIN2 MGAIN1 MGAIN0
R
R
R
R
R/W
R/W
R/W
R/W
0
0
0
0
0
1
1
0
MGAIN3-0: MIC-Amp Gain Control (Table 21)
Addr
03H
Register Name
Gain Control
R/W
Default
D23
MICL
R/W
0
D22
D21
D20
D19
0
SPKG1 SPKG0
0
R
R/W
R/W
R
0
0
0
0
LOVL1-0: Stereo Line Output Gain and Signal Ground Setting (Table 43)
SPKG1-0: Speaker-Amp Output Gain Select (Table 51)
MICL: MIC Power Output Voltage Select
0: typ 2.5V (AVDD=3.0 ~ 3.6V) (default)
1: typ 2.2V (AVDD = 2.7 ~ 3.6V)
D18
D17
D16
0
LOVL1 LOVL0
R
R/W
R/W
0
0
1
MS1320-E-00
- 77 -
2011/10