AK7757VQ Datasheet, PDF (4/24 Pages) Asahi Kasei Microsystems – 24bit 3ch ADC +4ch DAC + Mic Amp 内蔵 Audio DSP

CP0, CP1
DP0, DP1
CRAM
4096w x 20-Bit
DRAM
1024w × 24-Bit
1024w × 24-Bit
CBUS(20-Bit)
DBUS(24-Bit)
MPX20
MPX20
X
Y
Multiply
20 x 20 → 36-Bit
36-Bit
24-Bit
40-Bit
MUL DBUS
SHIFT
40-Bit
A
B
ALU
40-Bit
Overflow Margin: 4-Bit
40-Bit
DR0 ∼ 3
40-Bit
Over Flow Data
Generator
DLP0, DLP1
DLRAM
4096w x 20-Bit
4096w x 20-Bit
[AK7757]
Address
Pointer
OFREG
32w x 13-Bit
µP I/F
Control
Serial I/F
DEC
PRAM
4096w x 36-Bit
PC
Stack: 5 level(max)
TMP 12 x 24-Bit
PTMP(LIFO) 6 x 24-Bit
1 x 24-Bit
2 x 24-Bit
2 x 24-Bit
2 x 24-Bit
2 x 24-Bit
2 x 24-Bit
2 x 24-Bit
2 x 24-Bit
2 x 24-Bit
DIN4
DIN3
DIN2
DIN1
DOUT5 (DAC)
DOUT4 (DAC)
DOUT3
DOUT2
DOUT1
Division 20÷20→20 _{Peak Detector}
Figure 2. Main DSP Block Diagram of the AK7757
MS1489-J-01-PB
4
2013/05