AK7738VQ Datasheet, PDF (6/42 Pages) Asahi Kasei Microsystems – Multi DSP with 5ch ADC + 4ch DAC + 8ch SRC

SDOUT3
■ DSP2 Block Diagram
[AK7738]
Pointer CP0, CP1
DP0, DP1
Coefficient RAM
6144w×24Bit max
2048w Unit
Data RAM
6144w x 28Bit max
2048w Unit
CBUS(24Bit)
DBUS(28Bit)
DLP0, DLP1
OFREG
64w x 15Bit
Delay RAM
20480w x 28Bit max
4096w Unit
MPX24
MPX24
X
Y
Multiply
24×24 → 48Bit
48Bit
28Bit
52Bit
MUL DBUS
SHIFT
48Bit
A
B
ALU
52Bit
Overflow Margin: 4Bit
52-Bit
DR0  3
52Bit
Over Flow Data
Generator
Micon I/F
Control
Serial I/F
DEC
Program RAM
8192w×36Bit max
2048w Unit
PC
Stack : 5 Level(max)
TMP 12×28Bit
PTMP(LIFO) 6×28Bit
2 x 24Bit
2 x 24Bit
2 x 24Bit
2 x 24Bit
2 x 24Bit
2 x 24Bit
2 x 32Bit
2 x 32Bit
2 x 32Bit
2 x 32Bit
2 x 32Bit
2 x 32Bit
28bit x fifo16
DIN6
DIN5
DIN4
DIN3
DIN2
DIN1
DOUT6
DOUT5
DOUT4
DOUT3
DOUT2
DOUT1
DTMP (Connect to DSP1)
Division 2424→24 _{Peak Detector}
Figure 3. DSP2 Block Diagram (Note 1)
015000122-E-00-PB
-6-
2015/01