Datasheet > AK7707VQ

AK7707VQ

更新时间： 2022-02-26 12:48:25

品牌	Logo	应用领域
AKM		/
页数	文件大小	规格书
34页	746K
描述
Multi Core DSP with SRC

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AK7707VQ 数据手册

[AK7707]

AK7707

Multi Core DSP with SRC

1. General Description

The AK7707 is a highly integrated digital signal processor, including 6 stereo sampling rate convertors

supporting sampling frequency up to 192kHz, a DIR, a DIT and two types of DSPs for Audio and Voice

processing. The DSP1 supports a 295MHz core and is optimized for C-language support. DSP2 and

DSP3 have 4608 step/fs (when fs=48kHz) processing power. The AK7707 is able to process multiple

sample rates simultaneously. This function is ideal for full bandwidth audio and voice processing, such

as hands-free function along with audio. This simultaneous processing is enabled because the two

types of DSPs can work on different but synchronized sampling frequencies. The AK7707 is a RAM

based DSP, so it can be freely programmed for user requirements, such as acoustic effects and

proprietary high performance hands-free function. The AK7707 is available in a space saving 64-pin

HTQFP package.

2. Features



DSP1(Tensilica Hifi2):

Word Length:

Operation Clock:

IRAM:

DRAM:

GPIO:

SPI Control Master Port x 1

JTAG for On-chip Debugging

Independent Power Management

64-bit

294.912MHz (DSP1 Fast Mode)

128KB

384KB

8 ports



DSP2, 3(AKM DSP)

Word Length:

Operation Clock

Multiplier:

Divider:

ALU:

Program RAM (PRAM):

Coefficient RAM (CRAM): 10kword x 24-bit (DSP2+DSP3 Total)

Data RAM (DRAM):

Delay RAM(DLRAM):

JX pins (Interrupt)

28-bit (Data RAM: Simple floating point)

221.184MHz (4608steps, fs= 48kHz, DSP2/3 Fast Mode)

24 x 24 → 48-bit (Double precision arithmetic available)

24 / 24 → 24-bit (Floating point normalization function)

52-bit Arithmetic Operation (with overflow margin 4-bit)

10kword x 36-bit (DSP2+DSP3 Total)

10kword x 28-bit (DSP2+DSP3 Total)

24kword x 28-bit (DSP2+DSP3 Total)

Independent Power Management Function



SRC

2ch x 6

FSI = 8kHz ~ 192kHz, FSO= 8kHz ~ 192kHz (FSO/FSI= 0.167 ~ 6.0)

016011589-E-00-PB

2016/11

- 1 -

12 3 4 5 6 7...34

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