AK7742 查看數據表（PDF） - Asahi Kasei Microdevices

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AK7742

24bit 2ch ADC + 24bit 4ch DAC with Audio DSP

Asahi Kasei Microdevices 

[AK7742]

CP0, CP1

DP0, DP1

CRAM

1536W x 16-Bit

DRAM

1536W x 24-Bit

CBUS(16-Bit)

DBUS(24-Bit)

MPX16

MPX20

X

Y

Multiply

16 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

3072W x 24-Bit

OFREG

64W x 13-Bit

DEC

Micon I/F

Control

Serial I/F

PRAM

1536w x 36-Bit

PC

Stack : 5level(max)

TMP 8 x 24-Bit

PTMP(LIFO) 6 x 24-Bit

2 x 24,16-Bit DIN3 (ADC)

2 x 24,20,16-Bit DIN2

2 x 24,20,16-Bit DIN1

2 x 24,16-Bit

2 x 24,16-Bit

2 x 24,20,16-Bit

2 x 24,20,16-Bit

2 x 24,20,16-Bit

DOUT5 (DAC2)

DOUT4 (DAC1)

DOUT3

DOUT2

DOUT1

Division 20÷20→20 Peak Detector

Figure 2. AK7742 DSP Block

Rev.0.5b_PB

-3-

2008/08

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