EVBUM2511/D
EZAIRO) 7150 SL Hybrid
Demonstrator Board
User's Manual
INTRODUCTION
Purpose
This document provides detailed information for the
configuration and use of the Ezairo 7150 SL hybrid
demonstrator board. The hybrid demonstrator board
consists of two printed circuit boards: a motherboard and
daughterboard that are designed to evaluate the performance
and capabilities of the Ezairo 7150 SL hybrid.
The Ezairo 7150 SL hybrid is a System-in-Package (SiP)
that includes the following:
• ON Semiconductor Ezairo 7100 Digital Signal
Processor (DSP)
• Nordic Semiconductor nRF51822 2.4 GHz Radio IC
• ON Semiconductor 2 Mb EEPROM (EA2M) for
audiology
Conventions
The following conventions are used in this manual to
signify particular types of information:
• Component and pin names, as well as file and path
names are in a monospace font
• Variable path names (where you fill in suitable
information) and characters that you type are in a bold
monospace font
• Default jumper configurations and items you see on the
screen are in a bold typeface.
Manual Organization
The Ezairo 7150 SL Hybrid Demonstrator Board User’s
Guide contains the following chapters and appendices:
• Introduction, describes the purpose and organization of
this manual, the intended audience, and provides a list
of recommended reading for more information.
• Overview, provides an overview of the hybrid
demonstrator board for Ezairo 7150 SL.
• Getting Started, explains how to use the hybrid
demonstrator board, and introduces the setup using the
Ezairo Sound Designer Software Application.
• Hybrid Demonstrator Board, provides the details of the
hybrid demonstrator board. The chapter is divided into
the following topics:
♦ The setup
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EVAL BOARD USER’S MANUAL
♦ The design
♦ Power supply
♦ Digital input/output
2
♦ I
C
♦ CS44
♦ Audio interfaces
♦ Board configuration
• Appendix A: Connectors, provides a complete list of the
connectors and jumpers on the hybrid demonstrator
board
• Appendix B: Motherboard Schematics, contains the
motherboard schematics for the hybrid demonstrator
board
• Appendix C: Daughterboard Schematics, contains the
daughterboard schematics for the hybrid demonstrator
board
Further Reading
For more information, refer to the following documents:
• Promirat Serial Platform Quick Start Guide, available
at totalphase.com
• Communication Accelerator Adaptor Manual, which is
installed with the Communication Accelerator Adaptor
(CAA) software
• Ezairo 7150 SL Datasheet
• EA2M Datasheet (available at www.onsemi.com)
• Ezairo Sound Designer Software User Manual
© Semiconductor Components Industries, LLC, 2015
December, 2017 − Rev. 2
1 Publication Order Number:
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OVERVIEW
Introduction
The Ezairo 7150 SL hybrid demonstrator board consists
of a motherboard and daughterboard used for evaluating the
Ezairo 7150 SL hybrid. The motherboard provides access to
all input and output connections via 0.1″ standard headers.
One 6-pin DIN socket (J2) is available on the motherboard
to connect to the a programming interface that provides
communication to the board from a host PC. For more
information about the the programming interface you are
using, see the respective user manual.
The daughterboard connects the Ezairo SL chip to the
motherboard, and can be powered independently of the
motherboard. The daughterboard was designed for
evaluating Ezairo 7150 SL as a smaller form factor, and it is
used for key measurements such as power consumption.
Hybrid Demonstrator Board Features
The hybrid demonstrator board offers unique advantages,
enabling developers to evaluate the performance and
capabilities of the Ezairo 7150 SL hybrid in addition to
developing, demonstrating and debugging applications.
NOTE: The motherboard is required for programming
the Ezairo 7150 SL chip and requires the
daughterboard. The daughterboard can be used
by itself.
The motherboard includes:
• Support for manually powering RFVDD, VDDO2, and
VDDO3 when the appropriate resistors on the
daughterboard are removed
• Support for various VBAT powering options
• Two buttons for application usage purposes
• Standard audio connectors (0.1″ headers)
• Access to all Ezairo 7150 SL digital input/output
signals via standard 0.1″ headers
• Provision for adding a CS44 connector
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GETTING STARTED
Introduction
This chapter is about setting up the hybrid demonstrator
board for use. You have to provide it with power and connect
it to your computer. If you want to program the nRF51822
radio IC and the Ezairo 7100 on the board, you need some
software development tools. Finally, if you would like to
evaluate the volume control, this chapter describes
connecting to the audio input/output.
You need a programming box to connect the hybrid
demonstrator board to a computer . Supported programmers
are:
• Promira Serial Interface from Total Phase, Inc.,
driver version 1.3.6
• Communication Accelerator Adaptor (CAA),
driver version 1.3
• HI−PRO, driver version 2.0.0.4
• DSP Programmer Version 3
• NOAHlink
• BlueGiga (Pre Suite only)
Powering the Ezairo 7150 SL Motherboard
1. Connect the programmer to the header J2 on the
motherboard.
2. Short the header VBAT−I.
3. Short the top row (pins 1 and 2) of PSU−SEL.
This will cause the system to be powered by
a battery connected to J3. Additional powering
options are noted in “Selecting the Power Supply”
section.
4. Switch SW3 to ON.
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Selecting the Power Supply
To change the power supply for Ezairo 7150 SL,
a different row of the header, PSU−SEL must be shorted.
Table 1. EZAIRO 7150 SL MOTHERBOARD POWERING CONFIGURATION OPTIONS
Pin Numbers Power Supply Additional Connections
1 and 2 Battery A battery must be placed in the battery clip J3
5 and 6 Programmer Programmer must be connected
7 and 8 External Power Supply An external power supply must be connected to EXT−PSU (positive polarity is
marked by the ‘+’ sign)
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HYBRID DEMONSTRATOR BOARD
Demonstrator Board Setup
This section is an overview of how to configure the hybrid
demonstrator board. Figure 1 represents an overview of the
board setup. Communication to the Ezairo 7150 SL hybrid
requires both a daughterboard and a motherboard.
Figure 1. Hybrid Demonstrator Board Setup
The Ezairo 7150 SL hybrid is packaged in a 49-pin ball
grid array (BGA) package that is used on the hybrid
demonstrator board.
The Ezairo 7150 SL hybrid demonstrator board can be
powered from different sources via the motherboard:
1. A programmer (see “Introduction” section for
a list of supported programmers).
2. An external power source.
3. A hearing aid battery.
Development Board Design
The following sections detail the various sub-circuits of
the Ezairo 7150 SL hybrid demonstrator board; both boards
are outlined. The block diagram in Figure 2 shows the
locations of the various circuit sections for the motherboard.
Figure 2. Motherboard Circuit Location Block Diagram
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A block diagram showing all of the daughterboard circuit sections is shown in Figure 3.
Figure 3. Daughterboard Circuit Location Block Diagram
The motherboard connects directly to the daughterboard
via a 36-pin header (X1). This is shown in Figure 4.
For development purposes, we recommend using the
following off-the-shelf SMA antenna:
• ANT−2.4−CW−RAH−SMA−ND
from Linx Technologies
Figure 4. Motherboard/Daughterboard Connection
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Here are the steps to setting up your product device for use
with the Ezairo Sound Designer software:
NOTE: If you are programming the device with your own
firmware, please refer to the documentation provided within
the Ezairo 7100 Evaluation & Development Kit.
1. Connect the product to your programmer and to
your computer, as follows:
♦ Connect your input source to the negative and
center pins of the 3−pin AI1H header.
♦ Connect your recording or listening equipment
to the output, which is labelled OUT0. You
might require an external amplifier to drive
headphones from the output.
♦ You can use SW1 and SW2 (found on the
evaluation board) to adjust the volume.
♦ The maximum input signal range is
approximately 2 Vpp (volts peak−to−peak).
2. Power on the board by setting SW3 to ON.
3. Next, start Sound Designer software by
double−clicking on the SD/sounddesigner.exe
shortcut, which you will find wherever you
installed the Sound Designer software files.
4. Choose a workspace as shown in Figure 1 on page
8. If you do not have a workspace directory
available, click Browse and the software allows
you to create one. If you click Browse and select a
pre−existing directory for your workspace, make
sure it is empty. For this example, check Import
Sample Workspace, and select E7150SL from the
drop−down list. Click OK.
5. Open the console window by clicking the Show
console icon. The console window displays error
and status messages accumulated in this session.
We recommend having the console viewable at all
times while using Sound Designer software, to get
immediate status information.
6. Click on Control Panel and then, for this example,
double−click the Ezairo7150SL.param sample
parameter file to open the demo product library.
See Section 2.1.5, “The SETTINGS Window” on
page 11 for more information.
7. To connect to the device, go to the SETTINGS
window. Select the correct Programmer, and Port
if applicable. If you also select Verify NVM
Writes, the software burns the settings to the
device’s Non−Volatile Memory and then
immediately reads back the settings to confirm that
the values burned to the device match what is
being read out of the device. This option requires
additional programming time. Next, click on
Detect. A successful detection will populate the
device information in the Device Info box.
8. Use the back button−the arrow in the top left
corner−to return to the Control Panel.
9. To configure the device for the selected product,
click Programmer > Connect. If the connection
succeeds, the Connection status symbol appears to
the right of the File Name. You can hover over this
symbol to view the programmer name and the
firmware ID of the device. The connected device
must now be configured before you can read, burn
or write parameters in Control Panel. Click
Programmer > Configure to do this.
10. Now you are ready to begin. See Chapter 3,
“Modeler” on page 15 of the Ezairo Sound
Designer Software User Manual for your next
steps in the process of developing a product with
Sound Designer software.
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Power Supply
The Evaluation and Development Platform can be
powered using the motherboard and daughterboard
connected together, or by using the daughterboard alone.
7150 SL. For normal operation, short the VBAT−I header.
When using an external supply, ensure the Ezairo 7150 SL
recommended voltage level is not exceeded; refer to Table 2
for minimum and maximum voltages.
The main power supply pin for Ezairo 7150 SL is VBAT.
When using the motherboard with the daughterboard, the
Ezairo 7150 SL hybrid can be powered in the following
ways:
• Via the programming interface, connected by the 6-pin
DIN header which accesses connector J2.
• Via an external supply connected to the EXT−PSU
header
• Via a hearing aid battery (size 312, 13 or 675) inserted
into the 16 mm battery holder (J3) located on the
Table 2. VBAT MINIMUM AND MAXIMUM VOLTAGES
Minimum (V) Maximum (V)
1.05 2.00
The PSU−SEL switch allows you to select between any of
the powering options noted above by connecting a two-pin
jumper. This is described in more detail in Table 3. Note that
any pins that are not specified as being shorted are intended
to be left open.
motherboard
The VBAT−I header located on the motherboard is
provided for measuring the current consumption of Ezairo
Table 3. POWER SUPPLY SELECTION
Power Source PSU−SEL Additional Connections
Programmer Short Pin 5 and 6 Adaptor must be connected
Battery Short Pin 1 and 2 A battery must be placed in the battery clip J3
External Supply Short Pin 7 and 8 An external power supply must be connected to EXT−PSU (positive polarity is
marked by the ‘+’ sign)
When using the daughterboard standalone, you must use
external power via the VBAT and GND pins shown in
Figure 3.
Ezairo 7150 SL provides access to 10 digital I/Os that are
mapped into two power domains: VDDO1 and VDDO3.
The headers VDDO2−SEL and VDDO3−SEL (refer to
Table 4) configure the I/O voltages for each of these power
domains to either VBAT, VDBL (a regulated supply from
Table 4. I/O VOLTAGE CONFIGURATIONS
Header VDBL VBAT External Supply
VDDO2−SEL Short Pins 1 to 2 Short Pins 3 to 4 Short Pins 5 to 6
VDDO3−SEL Short Pins 1 to 2 Short Pins 3 to 4 Short Pins 5 to 6
Digital Input/Output (DIO)
The motherboard provides access to all of the DIOs
exposed on the Ezairo 7150 SL hybrid on the DIO header.
The header also provides two DGND pins for prototyping
purposes, as well as two buttons tied to DIO24 and DIO29.
The logic levels of the digital inputs/outputs are
dependent on the I/O bank that they are on. DIO5 to DIO9
are powered by VDDO1 (connected to VDBL inside the
hybrid); DIO20 to DIO29 are powered by VDDO3 (the
powering of this bank is configurable).
The DIO signal lines from Ezairo 7150 SL provide access
to a wide variety of interfaces, including:
Ezairo 7100), or an external supply. The VDDO1 I/O
voltage is internally connected within the hybrid to VDBL
and is used to power the EA2M that is inside the hybrid.
The VDDO2 I/O voltage powers the I/O signals connected
between Ezairo 7100 and nRF51822 inside the hybrid. The
VDDO3 I/O voltage is used by Ezairo 7150 SL for its debug
port interface reset pin.
• GPIO (controlled by the CFX DSP or controlled by the
®
Cortex®−M3 processor)
Arm
• SPI (x2)
2
• I
C
• UART
• LSAD inputs (x6)
• Output Clocks
• Other digital inputs and outputs
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The motherboard provides access to any of the DIOs or
their multiplexed signals via the DIO header.
The digital I/O signals on Ezairo 7100 are multiplexed
with several interfaces.
I2C
The Promira Serial Platform, CAA, or HI−PRO is used to
communicate with Ezairo 7150 SL using an I
2
communication protocol. The 6-pin DIN header (J2) on the
motherboard connects Ezairo 7150 SL to the programmer.
2
C connection carries I2C bus signals, as well as
The I
power, ground, and the VDDO3 signal. Table 5 shows the
pin number and associated signal of the J2 connector.
Table 5. DIN CONNECTOR (J2) PIN-OUT
ON THE MOTHERBOARD
Pin Number J2 Pin Connector
1 Supply Voltage from programmer
2 System Ground
3 SCL (I2C Clock
4 SDA (I2C data)
5 VDDO3 (Sense Voltage)
6 No Connect
CS44
The motherboard provides a non-populated footprint for
a CS44 connector through the VBAT−TP, GND−TP,
SCL−TP, and SDA−TP pads.
Audio Interfaces
supplying the audio input signal. For test equipment that
provides differential outputs (balanced), you can connect
the input ground to GND_MIC. We recommend performing
electro-acoustic testing (microphone and receiver attached
to the PCB) with the input ground connected to GND_MIC.
Output Stage
C
There are two digital outputs (RCVR0, RCVR1) provided
on the motherboard. The audio output interface consists of
the following connectors located on the motherboard:
• Standard 0.1″ headers: FILTEN0, FILTEN1, OUT0 and
OUT1
• Two RC filter networks for use with the direct digital
outputs when running electrical measurements
Outputs for the direct digital outputs are available on
headers FILTEN0 and FILTEN1. Separate RC filter
networks are provided to attenuate out-of-band noise from
the direct digital outputs when connected to high impedance
audio measurement equipment. The on-board RC filters are
enabled by the FILTEN0 and FILTEN1 headers as described
in Table 6.
Table 6. ON-BOARD RC FILTER CONFIGURATION
Function FILTEN0 FILTEN1
Disabled Open pins 1 to 2
Open pins 3 to 4
Enabled Short pins 1 to 2
Short pins 3 to 4
To connect receivers or loud speakers (without the RC
filter) use headers FILTEN0 and FILTEN1 pins 1 and 3.
Open pins 1 to 2
Open pins 3 to 4
Short pins 1 to 2
Short pins 3 to 4
Input Stage
The audio input interface consists of the following
connectors (standard 0.1″ headers) located on the
motherboard:
• AI0H
• AI1H
• AI2H
• AI3H
The input ground reference for the above input connectors
is normally referenced internally to GND_MIC. The board
provides two headers to change the input ground reference
to either GND_MIC or to GNDA. Header MICGND
configures the input ground reference.
For electrical testing of Ezairo 7150 SL, we recommend
configuring the input ground to GNDA when the test
equipment provides a single ended (unbalanced) output for
Board Configurations
The following section describes the configuration
required for powering the different evaluation board setups.
Motherboard and Daughterboard
If you are using both the motherboard and daughterboard,
the following subsections describe how to configure them
for power.
Daughterboard Configuration:
To identify the headers on the daughterboard, see
Figure 3.
NOTE: Remove solder bridges SB1 and SB2 if they are
shorted.
The rest of the configurations depend on the power supply
input(s) that you choose. See Table 7.
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Table 7. POWER CONFIGURATION OPTIONS FOR THE DAUGHTERBOARD WHEN USED
WITH THE MOTHERBOARD
Power Supply
Input
RFVDD Populate R4 on the daughterboard
with an 11.8W resistor and remove
R5. (Default)
VDDO2 Populate R8 on the daughterboard
with a 0 W resistor and remove R9.
(Default)
VDDO3 Populate R7 on the daughterboard
with a 0 W resistor and remove R3
VDBL Motherboard Configuration Other
Remove R4 and R5 on the
daughterboard
Remove R8 and R9 on the
daughterboard
Remove R3 and R7 on the
daughterboard
Source
External Supply: Populate R5 on
the daughterboard with an 11.8W
resistor and remove R4.
VBAT: Populate R9 on the
daughterboard with a 0 W resistor
and remove R8.
VBAT: Populate R3 on the
daughterboard with a 0 W resistor
and remove R5. (Default)
Motherboard Configuration:
To identify the headers on the motherboard, see Figure 8
on page 16. Do the following:
• Add a jumper to the PSU−SEL header to indicate the
powering method for Ezairo 7150 SL
• Connect a jumper or ammeter to the VBAT−I header
• Set SW3 to ON to power the system
WARNING: Do not use a multimeter to measure current
on the motherboard because the impedance
is unsuitable and results in
a non-functioning circuit.
• The VDDO2−SEL header can only be configured with
a jumper if the R8 and R9 resistors on the
daughterboard are not populated
• The VDDO3−SEL header can only be configured with
a jumper if the R3 and R7 resistors on the
daughterboard are not populated
Daughterboard Only
To identify the headers on the daughterboard, see
Figure 3. For all configurations:
• Short the SB1 and SB2 solder bridges on the
daughterboard
• Connect an external power source to the VBAT/GND
The rest of the configurations depend on the resistors that
are populated on the daughterboard:
• The RFVDD−SEL header can only be configured with
a jumper if the R4 and R5 resistors on the
daughterboard are not populated
Table 8. POWER CONFIGURATION OPTIONS FOR THE DAUGHTERBOARD WHEN USED ALONE
Power Supply
Input
RFVDD
VDDO2
VDDO3
Populate R4 with an 11.8W resistor
and remove R5. (Default)
Populate R8 with a 0 W resistor and
remove R9. (Default)
Populate R7 with a 0 W resistor and
remove R3.
VDBL EXT−RFVDD (External) VBAT
Populate R5 with an 11.8W resistor
and remove R4.
N/A
N/A
pins to power the system
The rest of the configurations depend on the power supply
input(s) that you choose. See Table 8.
Source
N/A
Populate R9 with a 0 W resistor and
remove R8.
Populate R3 with a 0 W resistor and
remove R7. (Default)
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APPENDIX A − CONNECTORS
Overview
This appendix contains a listing of all connectors on the hybrid demonstrator boards. It is divided into the following sections:
• Jumpers: a complete listing and description of all jumpers and possible configurations
• Headers: a complete listing and description of all headers
• Switches: a complete listing and description of all switches and possible configurations
• Connectors: a complete listing and description of all connectors
Jumpers
Table 9. MOTHERBOARD JUMPER DESCRIPTIONS
Designator Description
RFVDD−SEL RFVDD (nRF51822 supply) voltage selection
RVDD−I RFVDD supply current header and power enable
CAA−GND Disconnects the I2C programmer ground from the system ground
VDDO2−SEL Ezairo 7150 SL VDDO2 voltage selection
VDDO3−SEL Ezairo 7150 SL VDDO3 voltage selection
VBAT−I Ezairo 7150 SL VBAT current header and power enable
PSU−SEL Ezairo 7150 SL VBAT voltage selection
MICGND Input ground connection to AGND or GNDMIC
FILTEN0 Enable OD0 on-board RC output filter
FILTEN1 Enable OD1 on-board RC output filter
X2 Header for connecting VDDO3 to the CAA VSENSE signal
Headers
Table 10. MOTHERBOARD HEADER DESCRIPTIONS
Designator Description
RFVDD RFVDD measurement header
RFVDD−EXT External power supply header for RFVDD
VDDO2−EXT External power supply header for VDDO2
VDDO3−EXT External power supply header for VDDO3
DIO DIO signals for DIOs: 5, 6, 8, 9, 20, 21, 22, 23, 24, and 29
EXT−PSU External power supply header for VBAT
X3 Header for optional battery capacitor
VBAT VBAT measurement header
AI0 AI0 input header
AI1 AI1 input header
AI2 AI2 input header
AI3 AI3 input header
OUT0 OD0 filtered output
OUT1 OD1 filtered output
FILTEN0 OD0 header, non-filtered output at pins 1 and 3
FILTEN1 OD0 header, non-filtered output at pins 1 and 3
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Switches
Table 11. SWITCH DESCRIPTIONS
Designator Description Board
PSU−SEL Main power switch select Motherboard
SW1 Momentary push-button switch for selected DIO Motherboard
SW2 Momentary push-button select for selected DIO Motherboard
SW3 Main power (VBAT) ON/OFF switch Motherboard
Connectors
Table 12. MOTHERBOARD CONNECTOR DESCRIPTIONS
Designator Description
J1 Reserved for ON Semiconductor internal use
J2 6-pin DIN connector to any I2C programmer, such as Promira, or HI−PRO, or other Ezairo 7100
X1 Connector header for the daughterboard
development board
Table 13. DAUGHTERBOARD CONNECTOR DESCRIPTIONS
Designator Description
X1 Connector header for the motherboard
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APPENDIX B − MOTHERBOARD SCHEMATICS
Overview
This appendix contains all schematics for the hybrid demonstrator board motherboard:
• Daughterboard Connector
• Communication Interfaces, Main PSU
• Input/Output Connector
Figure 5. Motherboard: Daughterboard Connector
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Figure 6. Motherboard: Communication Interfaces, Main PSU
Figure 7. Motherboard: Input/Output Connectors
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APPENDIX C − DAUGHTERBOARD SCHEMATIC
Overview
This appendix contains the schematic for the hybrid demonstrator board single-ended antenna version of the daughterboard.
Figure 8. Daughterboard: Ezairo 7150 SL, Motherboard Connector
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P
k
al
Arn and Cortex are registered trademarks of Arm Limited (or its subsidiaries) in the US and/or elsewhere. EZAIRO is a registered trademar
of Semiconductor Components Industries, LLC (SCILLC) or its subsidiaries in the United States and/or other countries, Promira and Total Phase
are trademarks of Total Phase, Inc.
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