AKM AK4115 Manuale utente

ASAHI KASEI [AKD4115-A]

<KM076403> 2006/08

- 1 -

GENERAL DESCRIPTION

AKD4115 is the evaluation board for AK4115, 192kHz digital audio transceiver. This board has optical,

cannon connector (XLR), and BNC connectors to interface with other digital audio equipment.

Ordering guide

AKD4115-A --- Evaluation board for AK4115

(A cable for connecting the printer port (parallel port) of IBM-AT compatible PC

and control software are packed with this document. Please note that the control

software does not operate on Windows NT)

FUNCTION

Digital interface

-S/PDIF :

8 channel input (optical, BNC or XLR)

2 channel output (optical, BNC or XLR)

- Serial audio data I/F :

1 input (for DIT data input. 10-pin port)

1 output (for DIR data output. 10-pin port)

-B,C,U,V bit :

1 input/output port (10-pin port)

-Serial control data I/F

1 input/output port (10-pin port)

RX0

RX1

AK4115

B,C,U,V Serial Data in

(To DIT)

Control

5V GND

Opt

RX7

TX0

TX1

Opt

Serial Data out

(From DIR

REG 3.3V

Figure 1. AKD4115-A Block Diagram

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

AK4115 Evaluation Board Rev.3

KD4115-

ASAHI KASEI [AKD4115-A]

<KM076403> 2006/08

- 2 -

Evaluation Board Manual

Operating sequence

(1) Set up the power supply lines.

[+ 5V] (Red) = 5V

[GND] (Black) = 0V

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

(2) Set up the evaluation mode and jumper pins. (Refer to the following item.)

(3) Connect cables. (Refer to the following item.)

(4) Power on.

The AK4115 should be reset once bringing PDN (SW2) “L” upon power-up.

Evaluation modes

(1) Evaluation for DIR

S/PDIF Optical, XLR or

BNC connector PORT2

(10pin Header)

MCLK

BICK

LRCK

SDTI

AK4115

(DIR)

AKD4115-A

DAC

MCLK

BICK

LRCK

SDTI

The DIR generates MCLK, BICK, LRCK and SDATA from the received data through optical

connector(PORT1: TORX176), BNC connector or cannon connector(XLR). The AKD4115 can be connected

with the AKM’s DAC evaluation board via 10-pin cable.

a. Set-up of Bi-phase Input

RXP0/RXN0 and RX1-7 should not select BNC at the same time.

a-1. RXP0/RXN0

Connector JP2(RXP0) JP3(RXN0)

Optical (PORT1) OPT BNC

XLR (J1) XLR XLR

BNC (J2) BNC BNC

Table 1. Set-up of RXP0/RXN0

a-2. RX1, 2, 3, 4, 5, 6, and 7 can be inputted from a BNC (J2) connector only.

Only RX1, RX2 and RX 3 can be used in parallel mode. The jumper which selects the Rx channel should be

Short.

Input RX1 RX2 RX3 RX4 RX5 RX6 RX7

JP4 JP5

JP6 JP7 JP8 JP9

JP10

JP Short Short

Short RX4 RX5 RX6 RX7

Table 2. Set-up of RX1, 2, 3, 4, 5, 6 and 7

ASAHI KASEI [AKD4115-A]

<KM076403> 2006/08

- 3 -

a-3. Set-up of AK4115 input path

In Parallel Mode you will need to use SW1_1 & SW1_5.

In Serial Mode you will need to use IPS2-0 bits.

- IPS1 pin

(SW1_5)

IPS0 pin

(SW1_1)

IPS2 bit IPS1 bit IPS0 bit

INPUT Data

0 0 0 RX0 Default

0 0 1 RX1

0 1 0 RX2

0 1 1 RX3

1 0 0 RX4

1 0 1 RX5

1 1 0 RX6

1 1 1 RX7

(In parallel mode, IPS2 is fixed to “0”)

Table 3. Recovery Data Select

b. Set-up of clock input and output

The signal level outputted/inputted from PORT2 is 3.3V.

PORT2

DIR 5

GND

MCLK

BICK

LRCK

SDTO

Figure 2. PORT2 pin layout

b-1. MCKO1/MCKO2

The output of MCKO1 pin or MCKO2 pin can be selected by JP12. The output frequency of MCKO1/MCKO2

is selected by OCKS 1-0.

Output

signal JP12

MCKO1 MCKO1

Default

MCKO2 MCKO2

Table 4. MCKO1/MCKO2 set-up

OCKS1 pin

(SW3_2)

OCKS0 pin

(SW3_3)

OCKS1 bit OCKS0 bit

(X’tal) MCKO1 MCKO2 fs (max)

0 0 256fs 256fs 256fs 96 kHz

Default

0 1 256fs 256fs 128fs 96 kHz

1 0 512fs 512fs 256fs 48 kHz

1 1 128fs 128fs 64fs 192 kHz

Table 5. Master Clock Frequency Select

ASAHI KASEI [AKD4115-A]

<KM076403> 2006/08

- 4 -

b-2. Set-up of BICK and LRCK input and output

Please select SW 3_7 (DIR_I/O) according to the setup of audio format of AK4115 (Refer to Table 7).

Audio format SW3_7 (DIR_I/O)

Slave mode 0 Default

Master mode 1

Table 6. DIR_I/O set-up

c. Set-up of Audio format

It sets up by SW 1_2 and SW 1_3 in parallel mode. Please set up DIF2-0 bit and AES3 bit in serial mode.

- -

DIF1 pin

(SW1_3)

DIF0 pin

(SW1_2) LRCK BICK

Mode AES3

bit

DIF2

bit DIF1 bit DIF0 bit

DAUX SDTO

I/O I/O

0 0 0 0 0 24bit, Left

justified

16bit, Right

justified H/L O 64fs O

1 0 0 0 1 24bit, Left

justified

18bit, Right

justified H/L O 64fs O

2 0 0 1 0 24bit, Left

justified

20bit, Right

justified H/L O 64fs O

3 0 0 1 1 24bit, Left

justified

24bit, Right

justified H/L O 64fs O

4 0 1 0 0 24bit, Left

justified

24bit, Left

justified H/L O 64fs O

5 0 1 0 1 24bit, I2S 24bit, I2S L/H O 64fs O

6 0 1 1 0 24bit, Left

justified

24bit, Left

justified H/L I 64-128f

s I Default

7 0 1 1 1 24bit, I2S 24bit, I2S L/H I 64-128f

s I

8 1 x x x 24bit, Left

justified AES3 Mode H/L O 64fs O

Table 7. Audio format

ASAHI KASEI [AKD4115-A]

<KM076403> 2006/08

- 5 -

d. Set-up of CM1 and CM0

The operation mode of PLL is selected by CM1 and CM0. In parallel mode, it can be selected by SW3_4, SW3_1

and JP18. In serial mode, it can be selected by PSEL bit and CM1-0 bits.

PSEL pin

(SW3_4)

CM1 pin

(SW3_1)

CM0 pin

(JP18)

PSEL bit CM1 bit CM0 bit

(UNLOCK) PLL X'tal Clock source

SDTO

source

0 0 0 - ON ON(Note) PLL(RX) RX

Default

0 0 1 - OFF ON X'tal DAUX

0 ON ON PLL(RX) RX

0 1 0 1 ON ON X'tal DAUX

0 1 1 - ON ON X'tal DAUX

1 0 0 - ON ON(Note) PLL(ELRCK) DAUX

1 0 1 - OFF ON X'tal DAUX

0 ON ON PLL(ELRCK) DAUX

1 1 0 1 ON ON X'tal DAUX

ON: Oscillation (Power-up), OFF: STOP (Power-Down)

Note: When the X’tal is not used as clock comparison for fs detection (XTL0, 1= “1,1”), the X’tal is OFF.

Table 8. Clock Operation Mode Select

ASAHI KASEI [AKD4115-A]

<KM076403> 2006/08

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(2) Evaluation for DIT

1. Synchronous mode

S/PDIF

Optical, XLR or

BNC connector

PORT2

(10pin Header)

MCLK

BICK

LRCK

DAUX

AK4115

(DIT)

PORT5

(10pin Header) AKD4115-A

ADC

MCLK

BICK

LRCK

DAUX

2. Asynchronous mode

S/PDIF

Optical, XLR or

BNC connector

PORT2

(10pin Header)

EMCK

EBICK

ELRCK

DAUX AK4115

(DIT)

AKD4115-A

ADC

EMCK

EBICK

ELRCK

DAUX

MCLK, BICK, LRCK and DAUX are input the via 10pin header (PORT5: DIT). The AKD4115-A can be

connected with the AKM’s ADC evaluation board via 10-pin cable.

a. Set-up of a Bi-phase output signal

TX0 and TXP0/TXN0 should not select an optical connector or a BNC connector at the same time.

a-1. The data outputted from TXP1/TXN1 can be selected by OPS12-10 bit.

Connector JP19 (TXP1) JP14 (TXN1)

Optical (PORT4) OPT BNC

XLR (J3) XLR XLR

BNC (J4) BNC BNC

Table 9. Set-up of TXP1/TXN1

a-2. As for TX0, only the loop back mode of RX corresponds. This mode is fixed to RX0 in parallel mode. In

serial mode, it can be selected by OPS02-00 bits.

Connector JP13 (TX0) JP19 (TXP1) JP14 (TXN1)

Optical (PORT4) OPT Open BNC

BNC (J4) BNC Open BNC

Table 10. Set-up of TX0

ASAHI KASEI [AKD4115-A]

<KM076403> 2006/08

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b. Set-up of clock input and output

b-1. In the case of synchronous mode (ASYNC bit="0" or Parallel mode)

The used signals are MCKO1, MCKO2, LRCK, BICK, ELRCK and DAUX.

The signal level outputted and inputted from PORT2 and PORT5 is 3.3V.

Clock PORT

MCLK PORT2

BICK PORT2

LRCK PORT2

DAUX PORT5

ELRCK PORT5(LRCK)

Table 11. Clock input and output

b-1-1. MCKO1/MCKO2

The output of MCKO1 pin or MCKO2 pin can be selected by JP12. The output frequency of MCKO1/MCKO2

sets up by OCKS 1-0.

Output

signal JP12 JP15 JP11

MCKO1 MCKO1 MCKO MCKO1

Default

MCKO2 MCKO2 MCKO MCKO2

Table 12. Selection of MCKO1/MCKO2

OCKS1 pin

(SW3_2)

OCKS0 pin

(SW3_3)

OCKS1 bit OCKS0 bit

(X’tal) MCKO1 MCKO2 fs (max)

0 0 256fs 256fs 256fs 96 kHz

Default

0 1 256fs 256fs 128fs 96 kHz

1 0 512fs 512fs 256fs 48 kHz

1 1 128fs 128fs 64fs 192 kHz

Table 13. Master Clock Frequency Select

b-1-2. Set-up of BICK and LRCK input and output

Please select SW 3_7 (DIR_I/O) according the setup of audio format of AK4115 (Refer to Table 7).

Audio format SW3_7 (DIR_I/O)

Slave mode 0 Default

Master mode 1

Table 14. Set-up DIR_I/O

b-1-3. A set up of ELRCK

As a reference clock of PLL, when using ELRCK clock, it inputs from PORT5 (LRCK).

JP16 JP17

When inputting by AC coupling AC AC

When inputting by CMOS level DC DC Default

Table 15. Set-up of ELRCK input

ASAHI KASEI [AKD4115-A]

<KM076403> 2006/08

- 8 -

b-2. In the case of the asynchronous mode (ASYNC bit= "1" , This mode is supported in serial mode.)

The used signals are EMCK, X'tal, EBICK, ELRCK, and DAUX. These signal levels outputted / inputted from

PORT5 is 3.3V.

Clock PORT

MCLK PORT5

BICK PORT5

LRCK PORT5

DAUX PORT5

ELRCK PORT5

Table 16. Clock input and output

b-2-1. Set-up of Master clock

When EMCK is used

Output signal MSEL bit JP15

EMCK 1 EMCK

Table 17. Selection of EMCK

When X'tal is used as master clock

Output signal JP12 JP15 JP11

MCKO1 MCKO1 MCKO MCKO1

MCKO2 MCKO2 MCKO MCKO2

Table 18. Selection of MCKO1/MCKO2

b-2-2. Setup of BICK and LRCK input and output

Please set up SW 3_8 (DIT_I/O) according to the setup of audio format of AK4115 (Refer to Table 20).

JP16 and 17 are fixed to the “DC” side.

Audio format SW3_8 (DIT_I/O)

Slave mode 0 Default

Master mode 1

Table 19. DIT_I/O set-up

c. Set-up of audio data format

c-1. In case of synchronous mode.

Please refer to Table 7.

c-2. In case of asynchronous mode

ELRCK EBICK

Mode EDIF1 bit EDIF0 bit DAUX I/O I/O

4 0 0 24bit, Left justified H/L O 64fs O

5 0 1 24bit, I2S L/H O 64fs O

6 1 0 24bit, Left justified H/L I 64-128fs I Default

7 1 1 24bit, I2S L/H I 64-128fs I

Table 20. Audio data format in asynchronous mode

ASAHI KASEI [AKD4115-A]

<KM076403> 2006/08

- 9 -

d. Set-up of PSEL, CM1 and CM0

d-1. In case of synchronous mode.

Please refer to Table 8.

d-2. In case of asynchronous mode

CM1

bit

CM0

bit (UNLOCK) PLL X'tal Clock

source

Clock

I/O SDTO Clock

source

Clock

I/O

0 0 - ON ON(Note 2) PLL

(RX) Note 3 RX

X’tal or

EMCK

(Note 5)

Note 4 Default

0 1 - OFF ON X’tal Note 3 “L”

X’tal or

EMCK Note 4

0 ON ON PLL

(RX) Note 3 RX X’tal or

EMCK Note 4

1 0

1 ON ON X’tal Note 3 “L”

X’tal or

EMCK Note 4

1 1 - ON ON X’tal Note 3 “L”

X’tal or

EMCK Note 4

ON: Oscillation (Power-up), OFF: STOP (Power-Down)

Note 2: When the X’tal is not used as clock comparison for sampling frequency detection (i.e. XTL1, 0 =

“1, 1”), the X’tal is OFF.

Note 3: MCKO1/2, BICK, LRCK

Note 4: EMCK OR X’tal, EBICK, ELRCK, DAUX

Note 5: When X’tal is OFF, the clock source supports EMCK only.

Table 21. Clock Operation Mode Select

ASAHI KASEI [AKD4115-A]

<KM076403> 2006/08

- 10 -

B, C, U, V Inputs and output

B(block start), C(channel status), U(user data) and V(validity) are inputted via 10pin header (PORT3: BCUV).

When BCU_IO bit is set to “1”, they are input signals. And when BCU_IO bit is set to “0”, they are output signals.

In parallel mode, they are fixed to output signals. Pin arrangement of PORT3 has become like Figure 3.

PORT3

BCUV 6

GND

VOUT

VIN

Figure 3. PORT3 pin layout

Serial control

The AK4115 can be controlled via the printer port (parallel port) of IBM-AT compatible PC. Connect the included

10pin cable to PORT6 (uP-I/F) of the AKD4115-A. Take care of the direction of connector. There is a mark at

pin#1. And the pin layout of PORT6 is as Figure 4 shows.

Mode SW1_5 JP18

4 wire Serial L CDTO/CM0=“H” (Short)

IIC H

SDA (Short)

CM0=“L” (Short)

(Note)

Note: In IIC mode, the chip address is fixed to “01”.

Table 22. Set-up of Parallel mode and Serial mode

PORT6

uP I/F 10

CDTO

CDTI

CCL

CSN

GND

Figure 4. PORT6 pin layout

The evaluation board also includes control software and a software operation procedure is included in the evaluation

board manual.

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