Dialog Semiconductor DA7212 Manuale utente

User Guide DA7212_Rev1v2 CONFIDENTIAL Page 1 of 34

User Guide

DA7212 User Guide –Rev1.2

DA7212 Ultra Low Power Codec

and

Power Commander™ GUI Software

Introduction

The DA7212 Evaluation Board has been designed to allow measurement and

evaluation of the DA7212 device.

All Audio Codec functionalities are self-contained within the Evaluation Board

(EVB).

The EVB is supplied with a USB memory stick containing various documents

and a GUI to allow the user to control the DA7212.

The GUI is called Power Commander™. It uses a simple graphical interface,

allowing the DA7212 to be controlled via a USB port of a PC.

The EVB has a number of jumper links to enable the user to change the

system configuration and to allow him to make appropriate measurements,

although, in reality, few jumper links are required to be altered for standard

operations of the DA7212.

MIC1_P/

DMICCLK

ADC L ADC

DIGITAL

FILTERS

Wind Noise

Filtering,

Automatic

Level Control

(ALC)

DAC

DIGITAL

FILTERS

Digital Mixer,

Digital

Volume,

5 Band

Equaliser,

Noise Gate

DAC L

AUX_L

AUX_R

Radio

SP_P

PLL

+INL_PGA

MIC2_P

+INR

_PGA ADC R

DAC R

GND_CP

BCLK

DATOUT

WCLK

DATIN

DIGITAL AUDIO

INTERFACE (DAI)

SP_N

Speaker

Charge

Pump

HPCSP

HPCSN

1uF

VDIG

VMID

GND_A

Headphones

HP L

HP R

HP_L

HP_R

CONTROL

INTERFACE

SDA

SCLK

1µF

HPCFN

HPCFP 1uF

DACREF

BIAS

MIC1

_PGA

MIC2

_PGA

MIC1_N/

DMICIN

MICBIAS1

MICBIAS2

MIC2_N

MCLK

GND_SENSE

VDD_SP

VREF

MIC

BIAS1

MIC

BIAS2

1µF

AUXL

_PGA

AUX2

_PGA

DA7212

VDD_CP

VDD_MIC

BEEP

GENERATOR

VDD_IO

VDD_A

LDO

Figure :1 DA7212 Block Diagram

User Guide DA7212_Rev1v2 CONFIDENTIAL Page 2 of 34

User Guide

DA7212 User Guide –Rev1.2

Table of Contents

SUMMARY 3

HARDWARE 4

Power Supplies 6

Audio Connections 7

Jumpers Link Positions and Button Settings 8

CONTROL SOFTWARE 11

Installation 11

Control Panel 13

Status and Controls 14

Control Interface 17

Codec Config Page 18

DAI and PLL Page 19

Analogue Inputs 20

Analogue Outputs 21

Mixers 22

ADC Control 23

DAC Control 24

ALC Control 25

Tone Gen 26

Codec Registers 27

TROUBLESHOOTING 28

Software Issues 28

Hardware Issues 28

APPENDIX A –REGISTER TEXT FILE 30

APPENDIX A –SOCKETED MINIBOARD (169-01-A) 33

REVISION HISTORY 34

User Guide DA7212_Rev1v2 CONFIDENTIAL Page 3 of 34

User Guide

DA7212 User Guide –Rev1.2

Summary

This document provides some useful information to the user about the EVB

and the GUI to allow testing and evaluation of the DA7212 Ultra Low Power

Codec.

The hardware solution is based upon two PCBs:

- “EVALUATION MOTHERBOARD 170-03-A”

- “CUSTOMER REFERENCE BOARD 169-02-A”(DA7212 mini board)

The GUI, called Power Commander™, requires a PC operating Windows

2000/XP/Vista/Windows 7 with a USB1.1 or USB2 interface.

To run Power Commander™ under Windows Vista, set the default installation

location to „C:\Dialog Semiconductor\‟.

Note that Dialog recommends connecting the EVB to a 500 mA capable USB

port as we cannot guarantee that a USB hub (set to 100 mA) is sufficient to

operate it correctly.

See the section on Power Supplies below.

The GUI allows the user to: (i) configure the DA7212 using one of the several

pre-loaded initialisation files (i.e. start-up sequences) available; (ii) write and

read operations to all control registers; and (iii) monitor of device status.

User Guide DA7212_Rev1v2 CONFIDENTIAL Page 4 of 34

User Guide

DA7212 User Guide –Rev1.2

Hardware

The DA7212 Evaluation Board consists of two boards:

A daughterboard containing the DA7212, and the essential external

components. This board could also be used in standalone or as a module for

a customer development platform.

Figure 2: DA7212 Mini Board

Note a socketed mini board (169-01-A) is also available. See appendix B for

more information.

A motherboard containing many circuit blocks that allows for flexible

configuration and provides test access to the DA7212. It includes:

a. USB Interface with Control Interface level shifters

b. 1x audio optical input/output interfaces (with selection matrix)

c. USB reset and 3.3V reset switches

d. headphone output

e. line out outputs

f. auxiliary inputs

g. analogue/digital microphone inputs

h. master clock input

i. power supply inputs (VBAT, GND)

User Guide DA7212_Rev1v2 CONFIDENTIAL Page 5 of 34

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DA7212 User Guide –Rev1.2

A USB-I2C bridge is used for communication with the device, and there are a

number of external active components to reduce the requirement for external

circuitry.

Figure 3: Mother Board –Default Jumper positions shown in Red (power) and Blue (signal)

Note: The EVB has been configured by default to work from the mother

board‟s on-board regulators.

User Guide DA7212_Rev1v2 CONFIDENTIAL Page 6 of 34

User Guide

DA7212 User Guide –Rev1.2

Power Supplies

The DA7212 EVB is powered when a USB cable is connected to J1

(+5V_USB). With default jumper settings (J6, J7, J11, J14 and J19, J21), the

DA7212 device on the daughterboard is powered form the on-board

regulators.

As DA7212 supports a wide supply range the jumper configuration allows the

user to select one of two on-board supplies for each supply by connecting the

jumper link between pins 1&2 or 2&3 of the jumper. For maximum flexibility

the jumper link can be removed and a voltage can be supplied directly onto

pin 2 of the jumper with a ground connection connected to the A pin of the

jumper. Current measurements on individual supplies can also be performed

by connecting an ammeter between the supply and pin2 of the jumper.

Note: As VDD_IO supplies the IO voltage for the USB interface and level

translators jumper J10 has been provided for current measurements on this

supply of the DA7212 device. For current measurements on VDD_IO remove

the jumper link and insert an ammeter between pins 1 & 2 of J10.

Note: VDD_CP and VDD_DIG are not used in DA7212 and the jumper link

should be left unpopulated.

User Guide DA7212_Rev1v2 CONFIDENTIAL Page 7 of 34

User Guide

DA7212 User Guide –Rev1.2

Audio Connections

Connector

Name

Function

J17

AUX

Stereo single-ended auxiliary input

J30

MIC1_SE

Stereo single-ended microphone input

(connects to MIC1_P and MIC2_P)

J22

MIC2_SE

Stereo single-ended microphone input

(connects to MIC1_N and MIC2_N)

J26

Mono differential microphone input

Pin 1: MIC1_P

Pin 2: MIC1_N

Pin 3: GND

J27

Mono differential microphone input

Pin 1: MIC2_P

Pin 2: MIC2_N

Pin 3: GND

S/PDIF IN

Digital optical input

U14

S/PDIF OUT

Digital optical output

J18

Stereo single-ended headphone output

J24

LINEOUT

Differential line output (AC coupled,

use J25 for speaker)

J23

Differential line output (AC coupled,

use J25 for speaker)

Pin 1: LINE_P

Pin 2: GND

Pin 3: LINE_N

J25

Differential speaker output (DC

coupled)

Pin 1: SP_P

Pin 2: SP_N

J32

LINEOUT2

Unused

J31

Unused

Table 1 170-04-A Audio Connectors

User Guide DA7212_Rev1v2 CONFIDENTIAL Page 8 of 34

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DA7212 User Guide –Rev1.2

Jumpers Link Positions and Button Settings

Jumper number

Position

Function

J3 &J4

External VBAT and GND

connection

1-2, (default)

VBAT select: VBAT is

generated from an on-board

regulator supplied from the

USB

2-3

VBAT select: VBAT is

supplied from J3&J4

1-2, (default)

Connects VDD_A from

onboard 1.8V supply

2-3

Connects VDD_A from

onboard 2.5V supply

GND connection for

connecting external supply

between pin 2 and A

1-2, (default)

Connects VDD_IO from

onboard 1.8V supply

2-3

Connects VDD_IO from

onboard 3.3V supply

GND connection for

connecting external supply

between pin 2 and A

On, (default)

Connects USB I2C SCLK to

device

On, (default)

Connects USB I2C SDATA to

device

J10

On, (default)

Connects VDD_IO to the

DA7212 device.

J11

1-2

Connects VDD_SP from

onboard 3.3V supply

2-3, (default)

Connects VDD_SP from

VBAT

GND connection for

connecting external supply

between pin 2 and A

J12

1-2

MCLK comes from the SPDIF

interface

3-4, (default)

MCLK comes from the USB

interface

GND pin

External MCLK pin,

anexternal MCLK can be

connected between pins 5

User Guide DA7212_Rev1v2 CONFIDENTIAL Page 9 of 34

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DA7212 User Guide –Rev1.2

and 6.

J13

1-2

Inserts a 16ohm load across

the left headphone output

for test purposes

2-3

Inserts a 32ohm load across

the left headphone output

for test purposes

J14

1-2

Connects VDD_MIC from

onboard 3.3V supply

2-3, (default)

Connects VDD_MIC from

onboard 2.5V supply

GND connection for

connecting external supply

between pin 2 and A

J15

Allows connection of an

external MCLK using an SMB

connector. J12 should have

it’s jumper link removed

when using this option.

J16

1-2, (default)

Connects the SPDIF/USB

BCLK to the DA7212 device

GND for connecting BCLK

to/from an external source

between 2-3 (for example

Audio Precision PSIA cable)

4-5, (default)

Connects the SPDIF/USB

WCLK to the DA7212 device

GND for connecting WCLK

to/from an external source

between 5-6 (for example

Audio Precision PSIA cable)

7-8, (default)

Connects the SPDIF/USB

DIN to the DA7212 device

GND for connecting DIN

from an external source

between 8-9 (for example

Audio Precision PSIA cable)

10-11, (default)

Connects the SPDIF/USB

WCLK to the DA7212 device

GND for connecting DOUT to

an external source between

11-12 (for example Audio

Precision PSIA cable)

J19

1-2

Not Used

Do not connect for DA7212

2-3,

J20

1-2

Inserts a 16ohm load across

User Guide DA7212_Rev1v2 CONFIDENTIAL Page 10 of 34

User Guide

DA7212 User Guide –Rev1.2

the right headphone output

for test purposes

2-3

Inserts a 32ohm load across

the right headphone output

for test purposes

J21

1-2, (default)

Not Used

Do not connect for DA7212

2-3

Regulator Reset button:

Resets the 3.3V, 2.5V, 1.8V

and 1.1V regulators

USB Reset button:

Resets the USB sub system

Table 2: 170-04-A Jumpers Link Positions and Button Settings

Indice

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