A

B

C

D

1

ADC

DAC1

DAC2 DAC3 DAC4

DAC4

LEFT (WHITE)

 

 

 

RIGHT (RED)

 

 

 

IN (J4)

 

OUT (J5)

OUT (J6)

 

AD1835 AUDIO

 

 

 

 

CODEC

 

 

 

U14

 

 

 

ADC_BCLK

45ABCLK

ADCLN20

ADCLN

 

ADC_LRCLK

46ALRCLK

ADCLP21

ADCLP

ADC

 

49ASDATA

ADCRN22

 

ADC_DATA

ADCRN

 

 

 

ADCRP23

ADCRP

 

DAIP13_DAC_BCLK

38DBCLK

OUTRP19

OUTRP1

 

DAIP14_DAC_LRCLK

37DLRCLK

OUTRN18

OUTRN1

DAC1

 

41

7

 

3.3V

AUDIO OSC

R74

10K

0805

 

 

 

 

R81

 

U17

33

 

 

 

0805

1

OE

OUT

3

 

 

 

 

 

 

 

12.288MHZ

 

OSC003

 

 

 

 

 

 

DAIP5_ADC_DATA

3.3V

R70

10K

0805

SW7

1

ON

8

1

 

2

 

7

2

 

 

3

 

6

3

 

 

4

 

5

4

 

 

DIP4

 

 

SWT018

 

 

DAIP6_AD1835_MCLK

DAIP17_AUDIO_OSC

MASTER_SLAVE

ADC_DATA

1

2

 

 

 

 

 

DAIP12_DAC_D1

 

 

 

 

 

 

DSDATA1

OUTLP1

 

 

OUTLP1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DAIP11_DAC_D2

 

 

 

 

 

42

DSDATA2

OUTLN1

6

 

OUTLN1

 

 

 

 

 

 

 

 

DAIP10_DAC_D3

 

 

 

 

 

43

DSDATA3

 

 

 

 

 

 

 

 

 

 

 

 

DAIP9_DAC_D4

 

 

 

 

 

44

DSDATA4

OUTRP2

15

 

OUTRP2

 

 

 

 

 

 

3.3V

 

 

 

 

 

 

 

 

 

OUTRN2

14

 

OUTRN2

DAC2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTLP2

13

 

OUTLP2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R76

DAIP6_AD1835_MCLK

 

 

 

 

 

47

MCLK

OUTLN2

12

 

OUTLN2

 

 

 

 

 

 

 

 

 

 

 

 

OUTRP3

28

 

OUTRP3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0805

MOSI

 

 

 

 

 

3

CIN

OUTRN3

27

 

OUTRN3

DAC3

 

 

 

 

 

MISO

 

 

 

 

 

50

COUT

OUTLP3

26

 

OUTLP3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPICLK

 

 

 

 

 

51

CCLK

OUTLN3

25

 

OUTLN3

 

 

 

AD1835_SPI_CS

 

 

 

 

 

 

 

 

 

 

2

CLATCH

 

 

 

 

 

 

R148

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTRP4

34

 

OUTRP4

 

 

6.04K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTRN4

33

 

OUTRN4

0805

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW7: CODEC SETUP SWITCH

(Default: 1=OFF, 2=ON, 3=ON, 4=ON)

Connects or disconnects the audio oscillator

1-2 depending on how the system is setup. See users manual for more information.

OFF = AD1835 is SLAVE

3

ON = AD1835 is MASTER

Disconnects ADC_DATA signal from

4driving the corresponding DAI signal.

Useful if using this DAI pin for another purpose.

2

3

4

 

 

 

 

 

 

OUTLP432

OUTLP4

DAC4

 

 

 

 

 

 

 

MASTER_SLAVE

36~M/S

 

OUTLN431

OUTLN4

 

 

 

 

U11

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

R65

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5V

3.3V

RESET

4PD/RST

 

 

FILTD17

 

 

 

6.04K

 

1

 

 

 

 

 

FILTR18

 

 

 

0805

3

 

 

 

 

 

 

 

 

 

 

 

 

AD8606ARZ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A5V

 

 

 

 

SOIC8

 

 

 

 

48ODVDD

 

AVDD111

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AVDD219

CT14

C120

CT13

C121

 

R149

 

 

 

 

 

 

 

 

10UF

0.1UF

10UF

0.1UF

 

6.04K

 

 

 

 

1DVDD1

 

AVDD329

B

0805

B

0805

 

0805

 

 

 

 

39DVDD2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AGND15

 

 

 

 

 

 

 

 

 

 

40DGND1

 

AGND210

 

 

 

 

 

U11

 

 

 

 

52DGND2

 

AGND316

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AGND424

AGND

 

 

 

 

7

 

 

 

 

 

 

AGND530

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

AD8606ARZ

 

 

 

 

 

 

AGND635

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SOIC8

 

 

 

 

AD1835AASZ

 

 

 

 

 

 

 

 

 

 

 

 

MQFP52

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AGND

 

 

 

 

 

 

 

 

 

5V_B

A5V

 

 

 

 

 

 

 

 

3.3V

 

3.3V

5V

 

 

A5V

 

A5V

 

 

 

 

 

 

 

 

FER8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

600

 

 

 

 

 

 

 

 

 

 

 

 

 

1206

 

 

 

 

 

 

 

 

 

C41

 

C155

C148

C152

 

C132

C133

C131

 

 

 

 

 

0.1UF

 

0.01UF

0.1UF

0.1UF

 

0.1UF

0.1UF

0.22UF

 

 

 

 

 

0402

 

0805

0805

0805

 

0805

0805

0805

 

 

 

 

 

 

 

 

 

R151

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

0805

 

 

 

 

 

 

 

 

 

OSC

AD1835

AD1835

 

 

AGND

AGND

 

 

 

 

 

 

AGND

AD1835

AD8606

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

B

 

 

 

 

DISCONNECTS SIGNALS FROM SPI FLASH AND AD1835

 

 

 

 

(Default= All ON)

AUDIO_VREF_ADC

 

 

1

SW8

 

8

 

 

 

FLAG3_AD1835_SPI_CS

 

 

1

 

 

ON

7

 

 

AD1835_SPI_CS

DAIP8_ADC_LRCLK

 

 

 

2

2

 

 

 

 

 

ADC_LRCLK

FLAG0_SPI_FLASH_CS

 

 

 

3

3

 

 

 

6

 

 

SPI_FLASH_CS

DAIP7_ADC_BCLK

 

 

4

4

 

 

 

5

 

 

ADC_BCLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIP4

 

 

 

 

 

 

 

 

 

 

SWT018

 

 

 

 

 

 

 

 

 

Loopback Test Switch

 

 

 

 

 

 

 

(Default= All OFF)

3

 

 

 

For Test Purposes Only

 

 

 

AUDIO_VREF_DAC

 

 

 

 

 

 

 

 

 

 

 

1

SW11

 

16

 

 

 

 

AIN_LEFT

 

 

 

2

1

 

 

ON

15

 

 

AOUT1_LEFT

AIN_RIGHT

 

 

 

 

 

 

 

 

 

 

 

 

 

3

2

 

 

 

14

 

 

AOUT1_RIGHT

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

4

 

 

 

13

 

 

AOUT2_LEFT

 

 

 

 

5

5

 

 

 

12

 

 

AOUT2_RIGHT

 

 

 

 

6

6

 

 

 

11

 

 

AOUT3_LEFT

 

 

 

 

7

7

 

 

 

10

 

 

AOUT3_RIGHT

 

 

 

8

8

 

 

 

9

 

 

AOUT4_LEFT

 

 

 

 

 

 

 

 

 

 

 

 

 

AOUT4_RIGHT

 

 

 

 

 

DIP8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWT016

 

 

 

 

 

 

 

 

 

 

ANALOG 20 Cotton Road

 

 

 

 

 

 

 

 

 

 

 

 

DEVICES

Nashua, NH 03063

 

 

 

 

 

 

PH: 1-800-ANALOGD

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Title

ADSP-21364 EZ-KIT Lite

 

 

 

 

 

 

ANALOG AUDIO

 

 

 

Size

Board No.

A0190-2004

Rev

 

 

 

C

 

2.0A

 

 

 

 

 

 

 

 

Date

5-18-2007_15:33

 

Sheet 4 of 11

 

C

 

 

D

 

 

Page 66
Image 66
Analog Devices ADSP-21364 system manual ADC DAC1 DAC2 DAC3 DAC4, Right RED, AD1835 Audio, Adc, Audio OSC

ADSP-21364 specifications

The Analog Devices ADSP-21364 is a high-performance digital signal processor (DSP) specifically designed for demanding applications in audio, industrial, and communications sectors. It is well-regarded for its powerful processing capabilities, extensive connectivity options, and energy efficiency, making it an ideal choice for complex digital signal processing tasks.

One of the standout features of the ADSP-21364 is its dual Harvard architecture, which allows for simultaneous access to program and data memory. This capability significantly improves performance by reducing bottlenecks, enabling faster execution of algorithms. The processor boasts a clock speed of up to 300 MHz, ensuring it can handle a wide range of real-time signal processing tasks.

The ADSP-21364 is equipped with a rich set of on-chip memory resources, including 64KB of program RAM and 64KB of data RAM. This substantial memory allocation enables the storage of intricate algorithms and large datasets, ensuring that high-performance applications can be executed without the need for external memory, thus reducing latency and power consumption.

Another notable feature of this DSP is its advanced multiprocessing capabilities. The processor includes six processing engines, allowing for parallel processing of multiple tasks. This architecture is particularly beneficial for applications that require simultaneous processing of audio signals, such as digital mixing or effects processing, enhancing the overall throughput.

In terms of connectivity, the ADSP-21364 is equipped with a wide range of I/O options, including serial ports, parallel ports, and a high-speed synchronous port. This versatility facilitates seamless integration with other system components, making the processor an excellent choice for embedded systems that rely on external data sources.

The ADSP-21364 also supports various industry-standard digital audio interfaces, such as I2S and TDM, enabling straightforward interfacing with audio codecs and other digital audio devices. Moreover, it features built-in hardware accelerators for efficient filtering, Fast Fourier Transform (FFT), and interpolation tasks, thereby enhancing its ability to handle complex audio signal processing.

On the power consumption front, the ADSP-21364 is designed with energy efficiency in mind. Its architecture allows for low-power operation modes, which are crucial in battery-powered applications where energy conservation is a priority.

In conclusion, the Analog Devices ADSP-21364 DSP is a robust solution for high-performance digital signal processing needs. With its dual Harvard architecture, extensive memory resources, advanced multiprocessing capabilities, versatile connectivity options, and energy-efficient design, it stands out as a premier choice for a variety of applications in the fields of audio processing, telecommunications, and industrial automation.