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