AKM AKD4569 Bedienungsanleitung

ASAHI KASEI [AKD4569]

<KM074000>2004/02

- 1-

GENERAL DESCRIPTION

The AKD4569 is an evaluation board for the AK4569, the Audio CODEC with IPGA and HP-amp. The

AKD4569 can evaluate A/D and D/A in addition to A/D to D/A loopback mode. The AKD4569 also has the

digital audio interface and can achieve the interface with digital audio systems via opt-connector.

nOrdering guide

AKD4569 --- Evaluation board for AK4569

(Cable for connecting with printer port of IBM-AT compatible PC and control

software are packed with this. This control software does not support Windows NT.)

FUNCTION

oCompatible with 2 types of interface

- DIR(AK4116)/DIT(AK4114) with optical input/output

- Direct interface with AKM’s A/D,D/A converter evaluation boards by 10pin header

o10pin header for serial control interface

AINL

AINR

LIN/RIN/MIN

MOUT

HPL

Headphone

HPR

GND

AK4569

AK4114(DIT)

10pin Header

Control Data

EXTCLK

Opt In

Opt Out

DSP

+3V

AK4116(DIR)

Figure 1. AKD4569 Block Diagram

* Circuit diagram and PCB layout are attached at the end of this manual.

Evaluation board Rev.A for AK4569

AKD4569

ASAHI KASEI [AKD4569]

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PORT1

uP-I/F

910

CSN

CCLK

CDTI

CDTO

GND

GND NC

nOperation sequence

1) Set up the power supply lines.

Name Color Voltage Contents Attention

+5V Red 5V Regulator JP15 should be shorted and HVDD jack should be

open when the regulator is used.

(Default: JP15 is open.)

HVDD Orange 3V AK4569 Headphone amp JP15 should be open when the regulator is NOT used.

AVDD Orange 3V AK4569 Analog JP4 should be shorted and AVDD jack should be open

when AVDD is supplied from HVDD.

(Default: JP4 is shorted.)

DVDD Orange 3V AK4569 Digital JP14 should be shorted and DVDD jack should be

open when DVDD is supplied from HVDD.

(Default: JP14 is shorted.)

VD Orange 3V Logic Parts JP13 should be shorted and VD jack should be open

when VD is common with DVDD.

(Default: JP13 is shorted.)

AGND Black 0V Analog ground AGND jack should be always supplied.

DGND Black 0V Digital ground DGND jack can be open if JP1 is shorted.

(Default: JP1 is shorted.)

Table 1. Set up of power supply lines

Each supply line should be distributed from the power supply unit.

2) Set-up the evaluation modes, jumper pins and DIP switches. (See the followings.)

3) Power on.

The AK4569 should be reset once bringing SW1(4569_PDN) “L”upon power-up.

4) Serial control

The AK4569 can be controlled via the printer port (parallel port) of

IBM-AT compatible PC. Connect PORT1(uP-I/F) with PC by 10-line

flat cable packed with the AKD4569.

Take care of the direction of connector. There is a mark at pin#1.

The pin layout of PORT1 is as Figure 2.

Figure 2. Pin Layout of PORT1

ASAHI KASEI [AKD4569]

<KM074000>2004/02

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nEvaluation mode

Applicable evaluation modes

(1) Loopback mode

(2) Evaluation of A/D part

(3) Evaluation of D/A part (Default)

(4) All interface signals including master clock are fed externally.

Analog Output

(1),(2),(4)

(1),(3),(4)

Printer Port

(2)

(3)

DSP

(4)

Digital Output

Digital Input

Analog Input

Power Supply

Unit

AINL J2

AINR

L/R/MIN

TOTX141

PORT4

TORX141

PORT2

DSP

PORT3

µP I/F

PORT1

Analog Input

(3),(4)

VD DGND AGNDDVDD HVDD REG

AVDD J4

MOUT

HPL

HPR

Figure 3. Connection diagram for each evaluation mode

Mode (1) Mode (2) Mode (3) Mode (4)

JP6 (MCLK) short short short open

JP7 (SDTI) ADC side Don’t care DIR side open

JP8 (BICK) short short short open

JP9 (LRCK) short short short open

Signal input J1(AINL), J2(AINR) J1(AINL), J2(AINR) PORT2(TORX141),

J3(LIN/RIN/MIN) PORT3(DSP)

Signal output J4(MOUT), J5(HPL),

J7(HPR), J6(HP) PORT4(TOTX141) J4(MOUT), J5(HPL),

J7(HPR), J6(HP) J4(MOUT), J5(HPL),

J7(HPR), J6(HP)

AK4116(DIR)

Clock mode

(CM1-0 bit)

X’tal mode

(CM1-0 = “01”)X’tal mode

(CM1-0 = “01”)PLL mode

(CM1-0 = “00”)X’tal mode

(CM1-0 = “01”)

Table 2. Setup of jumper pins etc. for each evaluation mode

ASAHI KASEI [AKD4569]

<KM074000>2004/02

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(1) Loopback mode

MCLK, BICK and LRCK are fed from on-board DIR (AK4116). The clock source can be selected from on-board

X’tal oscillator or external master clock through a BNC connector (J8: EXTCLK).

CM1-0 bit (Addr=01H) of AK4116 should be set to “01”by the control software “akd4116-1.exe”packed with

AKD4569.

(2) Evaluation of ADC

AK4114 (DIT) generates audio bi-phase signal from received data and which is output through optical connector

(PORT4: TOTX141). It is possible to connect AKM’s D/A converter evaluation boards or the digital-amplifier

which equips DIR input. SW3 is used to set the interface format and clock mode of AK4114 (see DIP-SW set-up).

CM1-0 bit (Addr=01H) of AK4116 should be set to “01”by the control software “akd4116-1.exe”packed with

AKD4569.

(3) Evaluation of DAC (Default)

On-board DIR (AK4116) generates MCLK, BICK, LRCK and SDATA from the received data through optical

connector (TORX141). Used for the evaluation using CD test disk. Nothing should be connected to

PORT3(DSP).

(4) Feeding all signals externally

AK4569 can be evaluated by connecting DSP to PORT3(DSP).

nOther jumper pins setup

[JP2] (AINL): ADC Lch input select (Default: AINL1)

[JP3] (AINR): ADC Rch input select (Default: AINR1)

[JP5] (LIN/RIN/MIN): External analog input select (Default: MIN)

[JP10] (HPL): Headphone Lch output

Short: Output from J5(BNC) (Default)

Open: Output from J6(Headphone jack)

[JP11] (HPR): Headphone Rch output

Short: Output from J7(BNC) (Default)

Open: Output from J6(Headphone jack)

[JP12] (EXTCLK): Clock source

Short: External clock is input via J8(EXTCLK). On-chip X’tal (X1) should be removed.

Open: On-chip X’tal (X1) is used. (Default)

ASAHI KASEI [AKD4569]

<KM074000>2004/02

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nDIP-SW set-up (setup for AK4114)

No. Name Default Contents

1DIF0 OFF AK4114 interface format (See Table 4.)

2OCKS1 OFF AK4114 clock mode (See Table 5.)

5NC OFF Don’t care

Table 3. SW3 setup (1=ON, 0=OFF)

Format No.1

(DIF0)

24bit, Left jutified 0Default

I2S1

Table 4. AK4114 interface format setup (1=ON, 0=OFF)

Clock mode No.2

(OCKS1)

256fs 0Default

512fs 1

Table 5. AK4114 clock mode setup (1=ON, 0=OFF)

nThe function of the toggle SW

[SW1](4569_PDN): Resets the AK4569. Keep “H”during normal operation.

[SW2](4116_PDN): Resets the AK4116(DIR). Keep “H”during normal operation.

[SW3](4114_PDN): Resets the AK4114(DIT). Keep “H”during normal operation.

nThe indication content for LED

LED turns on when each output goes “H”.

[LE1] (INT1): INT1 of AK4116(DIR)

[LE2] (INT0): INT0 of AK4116(DIR)

ASAHI KASEI [AKD4569]

<KM074000>2004/02

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AK4569 Control Program operation manual

nSet-up of evaluation board and control software

1.Set up the AKD4569 according to above mentioned setting.

2.Connect IBM-AT compatible PC with AKD4569 by 10-line type flat cable (packed with AKD4569). Take care of

the direction of 10pin header. (Please install the driver in the floppy-disk when this control software is used on

Windows 2000/XP. Please refer “Installation Manual of Control Software Driver by AKM device control software”.

In case of Windows95/98/ME, this installation is not needed. This control software does not operate on Windows

NT.)

3.Insert the CD-ROM labeled “AK4569 Evaluation Kit”into the CD-ROM drive.

4.Access the CD-ROM drive and double-click the icon of “akd4569.exe”to set up the control program.

5.Then please evaluate according to the followings.

nOperation flow

Keep the following flow.

1. Set up the control program.

2. Click “Port Setup”button.

3. Then set up the dialog and input data.

nExplanation of each buttons

1. [Port Setup] : set up the printer port.

2. [Write default] : initialize the register of AK4569.

3. [Function1] : Dialog to write data by keyboard operation.

4. [Function2] : Dialog to evaluate IPGA and ATTL/ATTR/ATTM.

5. [Write] : write data to each register.

ASAHI KASEI [AKD4569]

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nExplanation of each dialog

1. [Function1 Dialog] : Dialog to write data by keyboard operation

Address Box: Input register address in 2 figures of hexadecimal.

Data Box: Input register data in 2 figures of hexadecimal.

If you want to write the input data to AK4569, click “OK”button. If not, click “Cancel”button.

2. [Function2 Dialog] : Dialog to evaluate IPGA and ATTL/ATTR/ATTM

This dialog corresponds to only addr=05H, 0AH, 0BH and 0CH.

Address Box: Input register address in 2 figures of hexadecimal.

Start Data Box: Input start data in 2 figures of hexadecimal.

End Data Box: Input end data in 2 figures of hexadecimal.

Interval Box: Data is written to AK4569 by this interval.

Step Box: Data changes by this step.

Mode Select Box:

If you check this check box, data reaches end data, and returns to start data.

[Example] Start Data = 00, End Data = 09

Data flow: 00 01 02 03 04 05 06 07 08 09 09 08 07 06 05 04 03 02 01 00

If you do not check this check box, data reaches end data, but does not return to start data.

[Example] Start Data = 00, End Data = 09

Data flow: 00 01 02 03 04 05 06 07 08 09

If you want to write the input data to AK4569, click “OK”button. If not, click “Cancel”button.

3. [Write Dialog] : Dialog to write data by mouse operation

There are dialogs corresponding to each register.

Click the “Write”button corresponding to each register to set up the dialog. If you check the check box, data

becomes “H”or “1”. If not, “L”or “0”.

If you want to write the input data to AK4569, click “OK”button. If not, click “Cancel”button.

nIndication of data

Input data is indicated on the register map. Red letter indicates “H”or “1”and blue one indicates “L”or “0”. Blank is the

part that is not defined in the datasheet.

nAttention on the operation

If you set up Function1 or Function2 dialog, input data to all boxes. Attention dialog is indicated if you input data or

address that is not specified in the datasheet or you click “OK”button before you input data. In that case set up the dialog

and input data once more again. These operations does not need if you click “Cancel”button or check the check box.

ASAHI KASEI [AKD4569]

<KM074000>2004/02

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AKD4116 Control Program operation manual

nSet-up of evaluation board and control software

1. Set up the AKD4569 according to above mentioned setting.

2. Connect IBM-AT compatible PC with AKD4569 by 10-line type flat cable (packed with AKD4569). Take care of

the direction of 10pin header. (Please install the driver in the floppy-disk when this control software is used on

Windows 2000/XP. Please refer“Installation Manual of Control Software Driver by AKM device control software”.

In case of Windows95/98/ME, this installation is not needed. This control software does not operate on Windows

NT.)

3. Insert the CD-ROM labeled “AK4569 Evaluation Kit”into the CD-ROM drive.

4. Access the CD-ROM drive and double-clickthe icon of “akd4116_1.exe”and “akd4116_2.exe”to set upthe control

program.

5. Then please evaluate according to the follows.

nOperation flow

Keep the following flow.

1. Set up the control program.

2. Click “Port Setup”button.

3. Then set up the dialog and input data.

nExplanation of each buttons

1. [Port Setup] : set up the printer port.

2. [Write default] : initialize the register of AK4116.

3. [All read] : read all registers.

4. [Read] : read data from each register.

5. [Write] : write data to each register.

If you want to write the input data to AK4116, click “OK”button. If not, click “Cancel”button.

nIndication of data

Input data is indicated on the register map. Red letter indicates “H”or “1”and blue one indicates “L”or “0”. Blank is the

part that is not defined in the datasheet.

End.

ASAHI KASEI [AKD4569]

<KM074000>2004/02

- 9-

MEASUREMENT RESULTS

1) ADC part

[Measurement condition]

•Measurement unit : Audio Precision System two Cascade

•MCLK : 256fs

•BICK : 64fs

•fs : 48kHz

•BW : 10Hz∼20kHz

•Bit : 20bit

•Power Supply : AVDD=DVDD=HVDD=3V

•Interface : DIT

•Temperature : Room

Parameter Input signal Measurement filter Results

S/(N+D) 1kHz, -1dB 20kLPF 85.1dB

DR 1kHz, -60dB 20kLPF, A-weighted 88.6dB

S/N No signal 20kLPF, A-weighted 88.6dB

2) DAC part

[Measurement condition]

•Measurement unit : Audio Precision System two Cascade

•MCLK : 256fs

•BICK : 64fs

•fs : 48kHz

•BW : 10Hz∼20kHz

•Bit : 20bit

•Power Supply : AVDD=DVDD=HVDD=3V

•Interface : DIR

•Temperature : Room

Parameter Input signal Measurement filter HP-amp MOUT

S/(N+D) 1kHz, 0dB 20kLPF 69.5dB 85.7dB

DR 1kHz, -60dB 22kLPF, A-weighted 90.8dB 90.3dB

S/N “0”data 22kLPF, A-weighted 91.2dB 90.9dB

ASAHI KASEI [AKD4569]

<KM074000>2004/02

- 10 -

nPlots

(1) ADC part

[Measurement condition]

•Measurement unit : Audio Precision, System two, Cascade

•MCLK : 256fs

•BICK : 64fs

•fs : 48kHz

•BW : 10Hz∼20kHz

•Bit : 20bit

•Power Supply : AVDD=DVDD=HVDD=3V

•Interface : DIT

•Temperature : Room

Figure 4.FFT (1kHz, -1dBFS input)

Figure 5.FFT (1kHz, -60dBFS input)

Figure 6.FFT (Noise floor)

Figure 7.THD+N vs Input Level (fin=1kHz)

Figure 8.THD+N vs fin (Input Level=-1dBFS)

Figure 9.Linearity (fin=1kHz)

Figure 10.Frequency Response (Input Level=-1dBFS)

Figure 11.Crosstalk (Input Level=-1dBFS)

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