AK4679EG Datasheet, PDF (187/220 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with DSP and MIC/RCV/HP/SPK/LINE-AMP

[AK4679]
CONT3: DSP Setting 1
Register
Register Name
D7
D6
D5
D4
D3
D2
D1
D0
Address
CONT3
POMODE
DRMS[1:0]
DRAD[1:0]
0
WAVP[1:0]
WR
R/W
R/W
R/W
R/W
R/W
R/W
R
R/W
R/W
C3h 43h
Default
0
0
0
0
0
0
0
0
POMODE1: DLYRAM Pointer 0 Select
0: OFREG (default)
1: DBUS Immediate Data
DRAM: DATA RAM Size Setting
DRAM
Mode
0
1
2
others
DRMS[1:0]
Bit
00
01
10
others
DSP Data RAM
Bank1
Bank0
Memory size
Memory size
[words]
[words]
512
1536
(default)
1024
1024
1536
512
N/A
(N/A: Not available)
Addressing Mode Setting bit [1:0]
Addressing
mode
0
1
2
3
DRAD
Pointer
00
01
10
11
Bank1
DP1
Ring
Ring
Linear
Linear
DSP Data RAM
Bank0
DP0
Ring
Linear
Ring
Linear
(default)
WAVP[1:0]: CRAM Memory Assignment of DSP
WAVP Mode WAVP[1] WAVP[0]
0
0
0
33word
1
0
1
65word
2
1
0
129word
3
1
1
257word
FFT point
128
256
512
1024
(default)
MS1402-E-06
- 187 -
2013/02