AK7756VF 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK7756VF

DSP with Mono CODEC + Mic/Lineout Amp

Asahi Kasei Microdevices 

■ DSP Block Diagram

CP0, CP1

DP0, DP1

CRAM

2048w x 20-Bit

DRAM

512w × 24-Bit

512w × 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

Division 20÷20→20 Peak Detector

[AK7756]

DLP0, DLP1

DLRAM

3072w x 20-Bit

3072w x 20-Bit

DLRAM

Address

Pointer

OFREG

32w x 13-Bit

µP I/F

Control

Serial I/F

DEC

PRAM

3072w 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

DIN2 (ADC or SDIN2 pin)

DIN1

1 x 24-Bit

2 x 24-Bit

2 x 24-Bit

DOUT3 (DAC or SDOUT3pin)

DOUT2

DOUT1

MS1218-E-00-PB

5

2010/08

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