AK7734 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK7734

Audio DSP with 2-Channel ADC/SRC

Asahi Kasei Microdevices 

CP0,CP1

DP0,DP1

CRAM

2048W×24-Bit

DRAM

2048w×24-Bit

CBUS(24-Bit)

DBUS(24-Bit)

MP×24

MP×20

X

Y

Multiply

24×20 → 44-Bit

44-Bit

24-Bit

48-Bit

MUL DBUS

SHIFT

44-Bit

A

B

ALU

48-Bit

Overflow Margin: 4-Bit

48-Bit

DR0 ∼ 3

48-Bit

Over Flow Data

Generator

Division 20÷20→20 Peak Detector

[AK7734]

DLP0,DLP1

DLRAM1:3072W×24-Bit

DLRAM2:2048W×24-Bit

OFREG

64w×13-Bit

Micon I/F

Control

Serial I/F

DEC

PRAM

3072w × 36-Bit

PC

Stack: 5level(max)

TMP 12×24-Bit

PTMP(LIFO) 6×24-Bit

2×24(,16)-Bit

2×24(,16)-Bit

2×24,20,16-Bit

2×24,20,16-Bit

2×24,20,16-Bit

DIN5 (ADC)

DIN4 (SRC)

DIN3

DIN2

DIN1

2×24,20,16-Bit

2×24,20,16-Bit

2×24,20,16-Bit

2×24,20,16-Bit

DOUT4

DOUT3

DOUT2

DOUT1

Figure 2. Main DSP Block Diagram of The AK7734

MS1033-E-02-PB

-4-

2010/01

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