AK4601VQ Datasheet, PDF (89/111 Pages) Asahi Kasei Microsystems – Audio HUB CODEC with Digital Mixer

[AK4601]
■ Register Definitions
Normal Registers
Addr Register Name
D7
D6
D5
D4
D3
D2
D1
D0
0000 System Clock Setting 1
REFSEL[2:0]
REFMODE[4:0]
R/W
R/W
R/W
Default
000
00H
REFSEL[3:0]: PLL Reference Clock Input Pin Setting (Table 4)
Default: “000” (MCKI)
REFMODE[4:0]: PLL Reference Clock Frequency Setting (Table 5)
Default: 00H (256kHz)
Addr Register Name
D7
D6 D5
D4
D3
D2
D1
D0
0001 System Clock Setting 2 CKRESETN
0
FSMODE[4:0]
R/W
R/W R/W R/W
R/W
Default
0
0
0
00H
CKRESETN: Clock Reset
0: Clock Reset
(default)
1: Clock Reset Release
FSMODE[4:0]: Operation Sampling Frequency Mode Setting for each Block (Table 12)
Default: 00H (8kHz)
Addr Register Name
D7
D6
0002 Mic Bias Power Management PSW1N PSW2N
R/W
R/W R/W
Default
0
0
D5
R/W
0
D4
D3
0
R/W R/W
0
0
D2
D1
D0
PMMB1 PMMB2
R/W R/W R/W
0
0
0
PSW1N: Pull-down Setting for BICK1pin / LRCK1 pin (Table 2)
0: Pulled Down (46kΩ) (default)
1: Release
PSW2N: Pull-down Setting for BICK2 pin/ LRCK2 pin (Table 2)
0: Pulled Down (46kΩ) (default)
1: Release
PMMB1: Power Management Setting for MIC Bias Output 1
0: Power Save Mode (default)
1: Normal Operation
PMMB2: Power Management Setting for MIC Bias Output 2
0: Power Save Mode (default)
1: Normal Operation
016000391-E-01
- 89 -
2016/12