AK7740ET Datasheet, PDF (3/48 Pages) Asahi Kasei Microsystems – 24bit 2ch ADC + 24bit 4ch DAC with Audio DSP

[ASAHI KASEI]
‹ AK7740 DSP Block diagram
CP0,CP1
CRAM
512 X 16
DP0,DP1
DRAM
256 X 24
CBUS(16bit)
DBUS(24bit)
MPX16
MPX24
X
Y
Multiply
16 X 24 -> 40
40bit
24bit
34bit
MUL DBUS
SHIFT
34bit
A
B
ALU1
34bit
Overflow Margin: 4bit
DR0 ∼ 3
24bit
Over Flow Data
Generator
[AK7740ET]
DLP0,DLP1
DLRAM
6K X 12 or 3K X 24
4K X 12 & 1K X 24
OFRAM
48 X 13
CMP(Compress & Expand)
Micom I/F
Control
Serial I/F
PRAM
512 X 32
PC
Stack : 1level
TMP 8 X 24bit
PTMP 24bit X 6(LIFO)
2 X 24 bit
ADC
2 X 24/20/16bit
Divider
24 ÷ 24 → 24
SDIN
2 X 24bit
2 X 24bit
DAC1
DAC2
2 X 24bit
SDOUT
<Pre-E-01>
-3-
2006/10