AK7738VQ Datasheet, PDF (7/42 Pages) Asahi Kasei Microsystems – Multi DSP with 5ch ADC + 4ch DAC + 8ch SRC

[AK7738]
■ Sub DSP Block Diagram
Pointer CP0, CP1
DP0
Coefficient RAM
2048w×24Bit
Data RAM
4096w x 28Bit
CBUS(24Bit)
DBUS(28Bit)
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
DEC
Micon I/F
Control
Serial I/F
Program RAM
1024w×36Bit
PC
Stack : 5 Level(max)
TMP 12×28Bit
PTMP(LIFO) 6×28Bit
28Bit x fifo8 CTMP (Connect to DSP1)
Division 2424→24 _{Peak Detector}
Figure 4. Sub DSP Block Diagram
015000122-E-00-PB
-7-
2015/01