AK4586 Datasheet, PDF (43/54 Pages) Asahi Kasei Microsystems – MULTI CHANNEL AUDIO CODEC WITH DIR

ASAHI KASEI
[AK4586]
Addr
04H
Register Name
Receiver Control
R/W
Default
D7
XFS96
R/W
0
D6
AFS96
R/W
1
D5
CS12
R/W
0
D4
EFH1
R/W
0
D3
EFH0
R/W
1
D2
DEAU
R/W
1
D1
DEM1
R/W
0
D0
DEM0
R/W
1
DEM1-0: De-emphasis Control (Table 9)
The setting of DEM1-0 bits is ignored at DEAU bit “1”.
Default: “01”, OFF
DEAU: De-emphasis Auto Detect Enable
0: Disable
1: Enable
EFH1-0: Interrupt 0 Pin Hold Count Select
00: 512 LRCK
01: 1024 LRCK (default)
10: 2048 LRCK
11: 4096 LRCK
CS12: Channel Status Select
0: Channel 1
1: Channel 2
Selects which channel status is used to derive C-bit buffers, AUDION, PEM, FS1 and FS0.
AFS96: Sampling Speed Mode Auto Setting Mode Enable (Table 3)
0: Disable, sampling mode is set by XFS96 bit.
1: Enable, sampling mode is automatically set by the register value of RFS96 bit at PLL mode.
XFS96: ADC and DAC Sampling Speed Mode Select (X’tal Mode or AFS96= “0”, Table 3)
0: Normal speed mode
1: Double speed mode
The sampling speed mode is defined by RFS96 and the setting of XFS96 is ignored at AFS96 bit “1” in
the PLL mode.
Addr Register Name
D7 D6
D5
D4
05H I/F Format & ATT Speed 0
0
ATS1 ATS0
R/W
RD RD R/W R/W
Default
0
0
0
0
DIF2-0: Audio Data Format Control (Table 14, Table 15)
Default: “100”, mode 4
TDM: TDM Format Select
0: Normal format
1: TDM format
ATS1-0: Digital attenuator transition time setting (Table 18)
Default: “00”, mode 0
D3
TDM
R/W
0
D2
DIF2
R/W
1
D1
DIF1
R/W
0
D0
DIF0
R/W
0
MS0097-E-01
- 43 -
2001/12