Core DSP. AK7707 Datasheet

AK7707 DSP. Datasheet pdf. Equivalent

AK7707 Datasheet
Recommendation AK7707 Datasheet
Part AK7707
Description Multi Core DSP
Feature AK7707; [AK7707] AK7707 Multi Core DSP with SRC 1. General Description The AK7707 is a highly integrated d.
Manufacture AKM
Datasheet
Download AK7707 Datasheet




AKM AK7707
[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:
64-bit
- Operation Clock:
294.912MHz (DSP1 Fast Mode)
- IRAM:
128KB
- DRAM:
384KB
- GPIO:
8 ports
- SPI Control Master Port x 1
- JTAG for On-chip Debugging
- Independent Power Management
DSP2, 3(AKM DSP)
- Word Length:
28-bit (Data RAM: Simple floating point)
- Operation Clock
221.184MHz (4608steps, fs= 48kHz, DSP2/3 Fast Mode)
- Multiplier:
24 x 24 48-bit (Double precision arithmetic available)
- Divider:
24 / 24 24-bit (Floating point normalization function)
- ALU:
52-bit Arithmetic Operation (with overflow margin 4-bit)
- Program RAM (PRAM): 10kword x 36-bit (DSP2+DSP3 Total)
- Coefficient RAM (CRAM): 10kword x 24-bit (DSP2+DSP3 Total)
- Data RAM (DRAM):
10kword x 28-bit (DSP2+DSP3 Total)
- Delay RAM(DLRAM): 24kword x 28-bit (DSP2+DSP3 Total)
- JX pins (Interrupt)
- Independent Power Management Function
SRC
- 2ch x 6
- FSI = 8kHz ~ 192kHz, FSO= 8kHz ~ 192kHz (FSO/FSI= 0.167 ~ 6.0)
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AKM AK7707
[AK7707]
DIR
- S/PDIF, IEC60958, AES/EBU, EIAJ CP1201
- Amplifier:
2 Inputs Selector
- De-emphasis Filter (32, 44.1, 48, 96kHz, ON/OFF function)
- Non-PCM Data Stream Detection Function
- DTS-CD Data Stream Detection Function
- Sampling Frequency Detection Function (32kHz, 44.1kHz, 48kHz, 88.2kHz 96kHz)
- Unlock & Parity Error Detection Function
- Validity Detection Register Read back Function
- 42-bit Channel Status Buffer
- Q-sub code Buffer for CD bit stream
DIT
- S/PDIF, IEC60958, AES/EBU, EIAJ CP1201 Compatible
- 24-bit Stereo Output
Digital Interfaces
- Digital Input 8-Port (Max. 64ch, TDM mode)
- Digital Output 8-Port (Max. 64ch, TDM mode)
- Independent LRCK/BICK In/Output Port x 5 Lines
- Data Format: MSB 32, 24-bit/ LSB24, 20, 16-bit/ I2S
- Shot/ Long Frame
- TDM In/Output Mode
- Digital Microphone Input Ports (2ch x 2 Lines)
Digital Mixer Circuit
PLL Circuit
µP Interface:
SPI (7MHz Max.) / I2C (1MHz Fast Mode plus)
Power Supply:
Digital:
VDD12: 1.14V ~ 1.3V (Typ. 1.2V)
I/F: VDD33: 3.13V ~ 3.47V (Typ. 3.3V)
TVDD1: 1.7V ~ 3.47V (Typ. 3.3V)
TVDD2: 1.7V ~ 3.47V (Typ. 3.3V)
AVDD: 3.13V ~ 3.47V (Typ. 3.3V)
Operation Temperature Range: Ta= -40 ~ 85ºC
Package:
64-pin HTQFP (10mm x 10mm, 0.5mm pitch)
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AKM AK7707
[AK7707]
3. Table of Contents
1. General Description .......................................................................................................................... 1
2. Features ............................................................................................................................................ 1
3. Table of Contents.............................................................................................................................. 3
4. Block Diagram and Functions........................................................................................................... 4
Device Block Diagram........................................................................................................................4
DSP1 Block Diagram .........................................................................................................................5
DSP2 Block Diagram .........................................................................................................................6
DSP3 Block Diagram .........................................................................................................................7
5. Pin Configurations and Functions..................................................................................................... 8
Pin Layout ..........................................................................................................................................8
Pin Functions......................................................................................................................................9
Handling the Unused Pins................................................................................................................12
Relationship between Digital Power Supply and Input/Output Pins ................................................12
Power-down Pin Status....................................................................................................................13
6. Absolute Maximum Ratings ............................................................................................................ 14
7. Recommended Operating Conditions ............................................................................................ 15
8. Electrical Characteristics................................................................................................................. 16
SRC ..................................................................................................................................................16
SPDIF Characteristics......................................................................................................................17
Digital Micrephone Interface ............................................................................................................17
Current Consumption .......................................................................................................................17
9. Digital Filter Characteristics ............................................................................................................ 18
SRC Block ........................................................................................................................................18
10. DC Characteristics .......................................................................................................................... 20
DC Characteristics ...........................................................................................................................20
11. Switching Characteristics................................................................................................................ 21
System Clock ...................................................................................................................................21
Power Down .....................................................................................................................................21
Serial Data Interface (SDIN1~SDIN8, SDOUT1~SDOUT8)............................................................22
SPI Interface.....................................................................................................................................25
I2C Interface......................................................................................................................................27
Master SPI Interface ........................................................................................................................28
JTAG Interface .................................................................................................................................28
12. Recommended External Circuits .................................................................................................... 29
Connection Diagram ........................................................................................................................29
Peripheral Circuit..............................................................................................................................30
13. Package .......................................................................................................................................... 31
Outline Dimensions ..........................................................................................................................31
Material and Lead Finish..................................................................................................................31
Marking.............................................................................................................................................32
14. Ordering Guide................................................................................................................................ 32
Ordering Guide.................................................................................................................................32
IMPORTANT NOTICE .......................................................................................................................... 33
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