AK4679EG Datasheet, PDF (7/220 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with DSP and MIC/RCV/HP/SPK/LINE-AMP

[AK4679]
Pointer
CP0, CP1
DP0, DP1
Coefficient RAM
2048w x 20-Bit
Data RAM
2048w x 24-Bit
CBUS(20-Bit)
DBUS(24-Bit)
MPX20
MPX20
X
Y
Multiply
20 x 20 → 40-Bit
40-Bit
24-Bit
44-Bit
MUL DBUS
SHIFT
40-Bit
A
B
ALU
44-Bit
Overflow Margin: 4-Bit
40-Bit
DR0 ∼ 3
40-Bit
Over Flow Data
Generator
DLP0, DLP1
Delay RAM
16384w x 24-Bit
Offset Reg
32w x 15-Bit
Micon I/F
Control
Serial I/F
DEC
PRAM
4096w x 36-Bit
PC
Stack: 5 levels(max)
TMP 12 x 24-Bit
PTMP(LIFO) 6 x 24-Bit
2 x 16/24-Bit
2 x 16/24-Bit
2 x 16/24-Bit
2 x 16/24-Bit
2 x 16/24-Bit
2 x 16/24-Bit
2 x 16/24-Bit
2 x 16/24-Bit
DIN4
DIN3
DIN2
DIN1
DOUT4
DOUT3
DOUT2
DOUT1
Accelerator
Division 20÷20→20 _{Peak Detector}
Figure 4. DSP Core
MS1402-E-06
-7-
2013/02