AK7719B 查看數據表（PDF） - Asahi Kasei Microdevices

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产品描述 (功能)

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AK7719B

Low Power DSP for Voice and Audio Processing

Asahi Kasei Microdevices 

■ DSP Block Diagram

Pointer

CP0, CP1

DP0, DP1

Coefficient RAM

2048w x 20-Bit

Data RAM

2048w x 24-Bit

CBUS(20-Bit)

DBUS(24-Bit)

MPX20

MPX20

X

Y

Multiply

20 x 20  40-Bit

40-Bit

24-Bit

44-Bit

MUL DBUS

SHIFT

40-Bit

A

B

ALU

44-Bit

Overflow Margin: 4-Bit

40-Bit

DR0  3

40-Bit

Over Flow Data

Generator

[AK7719B]

DLP0, DLP1

Delay RAM

16384w x 24-Bit

Offset Reg

32w x 15-Bit

Micon I/F

Control

Serial I/F

DEC

PRAM

4096w x 36-Bit

PC

Stack: 5 levels(max)

TMP 12 x 24-Bit

PTMP(LIFO) 6 x 24-Bit

2 x 16/24-Bit

2 x 16/24-Bit

2 x 16/24-Bit

2 x 16/24-Bit

2 x 16/24-Bit

2 x 16/24-Bit

2 x 16/24-Bit

2 x 16/24-Bit

DIN4

DIN3

DIN2

DIN1

DOUT4

DOUT3

DOUT2

DOUT1

Accelerator

Coefficie

(ACR

1024w x

1024w x

Division 202020 Peak Detector

MS1565-E-00-PB

4

2013/11

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