Development Kit

Kit Description
Rev. 1.1 / June 2011
ZSC31210/ZSSC3122/ZSSC3123
cLite™ SSC Modular Evaluation Kit
ZSC31210/ZSSC3122/ZSSC3123
cLite™ SSC Modular Evaluation Kit Description
Restrictions:
The ZMD AG cLite™ SSC Evaluation Kit hardware and software are designed only for evaluation, laboratory
setup, and module development for cLite™ family ICs, including the ZSC31210, ZSSC3122, and ZSSC3123 The
ZMD AG cLite ™ SSC Evaluation Kit hardware and software must not be used for module production and
production test setups. ZMD AG shall not be liable for any damages arising out of defects resulting from (i)
delivered hard and software (ii) non-observance of instructions contained in this manual, or (iii) misuse, abuse,
use under abnormal conditions or alteration by anyone other than ZMD AG. To the extent permitted by law, ZMD
AG hereby expressly disclaims and User expressly waives any and all warranties, whether express, implied or
statutory, including, without limitation, implied warranties of merchantability and of fitness for a particular purpose,
statutory warranty of non-infringement and any other warranty that may arise by reason of usage of trade,
custom, or course of dealing.
Contents
1
Kit Contents........................................................................................................................................5
2
USB Driver Installation .......................................................................................................................6
3
cLite™ SSC Evaluation Board ...........................................................................................................7
4
3.1
Overview ......................................................................................................................................7
3.2
Installing the Communication and Calibration Software...............................................................8
3.3
Connections to the cLite™ ...........................................................................................................8
3.4
Power Supply to the Board ..........................................................................................................8
3.5
Reset Switch ................................................................................................................................8
cLite™ SSC Evaluation Software.......................................................................................................9
4.1
Overview ......................................................................................................................................9
4.1.1
User Files ...............................................................................................................................9
4.1.2
Data File calibration.db...........................................................................................................9
4.2
“Setup” Menu .............................................................................................................................10
4.2.1
Special Feature “Set I2C Speed” ..........................................................................................11
4.2.2
Special Feature “Find I2C Address”......................................................................................11
4.2.3
Special Feature “Power up all DUTs”...................................................................................11
4.3
“Open Port” Button .....................................................................................................................11
4.4
Display Selection........................................................................................................................11
4.5
“Master I2C Addr” Section..........................................................................................................11
4.6
Sensor and Temperature Display ..............................................................................................11
4.7
“Log File” Field ...........................................................................................................................12
Evaluation Kit
June 30, 2011
© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.1
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used
without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
without notice.
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ZSC31210/ZSSC3122/ZSSC3123
cLite™ SSC Modular Evaluation Kit Description
4.8
Normal Operation Section..........................................................................................................12
4.8.1
“Run” Button .........................................................................................................................12
4.8.2
“Rate” Field ..........................................................................................................................12
4.8.3
“VDD” Field...........................................................................................................................12
4.9
“Start CM” Button .......................................................................................................................12
4.10 “Start NOM” Button ....................................................................................................................12
4.11 EEPROM Editor Section ............................................................................................................12
4.11.1 “Read” Button .......................................................................................................................13
4.11.2 “Save” Button .......................................................................................................................13
4.11.3 “Load” Button .......................................................................................................................13
4.12 “Configuration” Section ..............................................................................................................13
4.12.1 ZMDI Config .........................................................................................................................13
“Meas Mode” Menu .......................................................................................................................13
“Update Rate” Menu .....................................................................................................................14
“Output Mode” Menu .....................................................................................................................14
“Lock EEPROM” Checkbox...........................................................................................................14
“Lock I2C Addr” Checkbox ............................................................................................................14
“SotTC 2x”.....................................................................................................................................14
“GainC 4X” Checkbox ...................................................................................................................14
“Third Order Corr” Checkbox ........................................................................................................14
4.12.2 Customer Config ..................................................................................................................14
“Device ID” Field ...........................................................................................................................14
“Alarm High” Menu ........................................................................................................................15
“Alarm Low” Menu.........................................................................................................................15
“SPI Phase” Menu.........................................................................................................................15
“Ready Open Drain” Checkbox .....................................................................................................15
“Fast Start Up” Checkbox .............................................................................................................15
4.12.3 AFE Config Section ..............................................................................................................15
4.13 “Commands” Section .................................................................................................................15
5
Dry Run Calibration ..........................................................................................................................18
5.1
6
Steps for the Dry Run Calibration ..............................................................................................18
Verify Calibration with PDM_C Output .............................................................................................20
Evaluation Kit
June 30, 2011
© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.1
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used
without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
without notice.
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ZSC31210/ZSSC3122/ZSSC3123
cLite™ SSC Modular Evaluation Kit Description
6.1
Measuring the PDM_C Output using the cLite™ Software ........................................................20
7
Calculation of Calibration Coefficients Off-Line................................................................................21
8
cLite™ SSC Evaluation Software with the ZMDI SSC Terminal ......................................................22
9
8.1
Protocol ......................................................................................................................................22
8.2
ZMDI SSC Terminal ...................................................................................................................22
Pin Configuration and Package – TSSOP14 Samples.....................................................................24
10 Related Documents..........................................................................................................................26
11 Definitions of Acronyms....................................................................................................................26
12 Document Revision History ..............................................................................................................27
Appendix A: Schematic cLite™ SSC Evaluation Board..........................................................................28
Evaluation Kit
June 30, 2011
© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.1
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used
without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
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ZSC31210/ZSSC3122/ZSSC3123
cLite™ SSC Modular Evaluation Kit Description
1
Kit Contents
a) SSC Communication Board V3.3 with Cable (USB cable) *
b) ZSC31210 cLite SSC Evaluation Board with TSSOP-14 Samples—operates with the ZSC31210 † ,
ZSSC3122, and ZSSC3123
c) DVD ROM including SSC Evaluation Kit Software
d) SSC Test Board V1.0
e) SSC Kit Start Up Information
Figure 1.1
cLite™ SSC Evaluation Kit
Potentiometer for
VDD Control
USB
Connector
SSC CB
cLite SSC Evaluation Board
Reset Switch
The cLite™ SSC Evaluation Kit contains the software and hardware needed for communication and calibration of
a cLite™ family sensor signal conditioning IC, including the ZSC31210, ZSSC3122, and ZSSC3123. A PC can
communicate with a cLite™ socketed on the SSC Evaluation Board via the SSC Communication Board (SSC CB)
through a USB connection. The software should function on any Windows®2000/XP/Vista/Windows®7 system
after installation of a USB driver. The SSC Evaluation Board can connect to a capacitive sensor or provide onboard capacitors for simulating input from a capacitive sensor. (See Figure 3.1.)
*
†
Ensure that the firmware of the SSC CB microprocessor is >rev2.19d.
The ZSC31210 is only available as die; TSSOP-14 engineering samples are included in the kit for evaluation purposes only.
Evaluation Kit
June 30, 2011
© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.1
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used
without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
without notice.
5 of 28
ZSC31210/ZSSC3122/ZSSC3123
cLite™ SSC Modular Evaluation Kit Description
2
USB Driver Installation
The SSC Evaluation Kit requires installation of two USB drivers. To install the drivers, the user’s system must
meet these requirements:





x86-compatible PC
64 MB RAM
Hard drive with 20MB free space
USB port
Windows® 2000/XP/ Vista / Windows® 7
The two required driver files are in the USB_Driver folder on the DVD. These drivers will make the PC’s USB port
appear as a virtual COM port (typically COM3 or COM4 on most computers). The SSC Evaluation Kit software
accesses the SSC Evaluation Board through the SSC CB as if it were a COM (RS232) port. These drivers will not
affect the operation of any other USB peripherals.
Refer to SSC_AN_CommunicationBoard_Driver_Installation_Rev_X_x.pdf for instructions on installing these two
drivers and for determining the virtual COM port for the SSC Evaluation Kit, which is needed for setting up the kit.
Evaluation Kit
June 30, 2011
© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.1
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used
without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
without notice.
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ZSC31210/ZSSC3122/ZSSC3123
cLite™ SSC Modular Evaluation Kit Description
3 cLite™ SSC Evaluation Board
3.1
Overview
Figure 3.1 SSC Evaluation Board Overview
VDD – adjust for 2.3 to
5.5V for the ZSC3120
or 1.8 to 5.5V for the
ZSSC3122 or ZSSC3123.
K2: Remote Board Connector
K1 connector to SSC CB
Jumper K3 selects the
PDM_C output on K13 or
the Ready digital output.
VDD
K4 selects the PDM_T
output on K13 or the
Alarm_Low digital output.
VDD
SS
VCORE
SCL
VSS
SDA
VSS
READY
ALARM_HIGH
ALARM_LOW
VDD
VDD
VDD
VDD
VDD
VDD
ALARM
LOW
SS
SCL
SDA
VSS
READY
ALARM
HIGH
SS
SCL
SDA
VSS
READY
ALARM
HIGH
ALARM
LOW
VSS
VSS
VSS
VSS
VSS
VSS
VSS
Connect external capacitive sensor
to K5 (disconnect jumpers K6)
K13 analog test points
3 Jumpers K6: Enable on-board
sensor replacement capacitors C1, C0.
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VCORE
C0
VSS
CC
VSS
C1
VDD
VCORE
C0
VSS
CC
VSS
C1
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
Pin 1 of cLite™
Jumpers K7, K8, K9, and K10: Place
capacitance on C0 or C1 input.
The main purpose of the SSC Evaluation Kit is communication between the PC and the cLite™. The PC sends
commands and data via the USB / SSC CB (virtual COM port). The Controller on the SSC CB interprets these
commands and relays them to the cLite™ in the I2C bus standard format (K1 Pin 11 / SCL, Pin 13/ SDA). The
Controller will also forward any data bytes from the cLite™ chip back to the PC via the USB connection. These
bytes can be sensor and temperature readings to be displayed by the PC software; raw ADC readings used
during calibration; or EEPROM content bytes.
Evaluation Kit
June 30, 2011
© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.1
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used
without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
without notice.
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ZSC31210/ZSSC3122/ZSSC3123
cLite™ SSC Modular Evaluation Kit Description
3.2
Installing the Communication and Calibration Software
To install the cLite™ SSC Evaluation Kit software on the PC hard drive, locate the setup.exe file in the root
directory of the SSC Evaluation Kit DVD and double click on it. The software completes the installation.
3.3
Connections to the cLite™
The SSC Evaluation Board has a TSSOP-14 socket for inserting the cLite™. There is an additional 10-pin header
socket for connection to a customer-supplied remote board.
The board can be used for in-circuit programming of the cLite™ in the user’s calibration fixture using the VDD,
VSS, SDA, SCL and READY connections on the K2 connector on the SSC Evaluation Board.
Note: Only one ASIC connection option can be used at a time.
3.4
Power Supply to the Board
The K1 connector to the SSC CB provides the power supply from the SSC CB’s USB port to the SSC Evaluation
Board. Using the power via the USB port, the maximum current that can be provided is 40mA. All functions of the
board are operative down to 1.8V. The blue potentiometer regulates the supply voltage in a range from 1.8 to
5.5V.The board has a green LED labeled VSupply, which lights if the board has power.
3.5
Reset Switch
Use the push button on the SSC CB (see Figure 1.1) to reset communications if needed. When the SSC CB is
reset using the push button, the COM port in the cLite™ SSC Evaluation Software must be reopened (see section
4.3).
Evaluation Kit
June 30, 2011
© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.1
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used
without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
without notice.
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ZSC31210/ZSSC3122/ZSSC3123
cLite™ SSC Modular Evaluation Kit Description
4 cLite™ SSC Evaluation Software
4.1
Overview
The ZMDI software provided with the SSC Evaluation Kit is intended for demonstration purposes and calibration
of single units. The installation folder is (C:\program files\ZMDI\cLite SSC Evaluation Software). ZMDI can provide
the user with algorithms and assistance in developing full production calibration software. Figure 4.1 shows the
main dialog window of the cLite SSC Evaluation Software.
The six types of text files that support the software user are described in sections 4.1.1 and 4.1.2.
4.1.1
User Files
User files are saved in [My Documents]\ZMDI\cLite SSC Evaluation Software and consist of status files, log files,
and EEPROM files.

A StatusLog.txt file lists all commands sent to the IC, responses, and error messages. If software
problems occur, this file can be used for detecting the root cause of the problem.

When the software is activated, a CommunicationLog.txt file is saved. This file is a log of the
communication to the IC during the software session and can be saved after closing the software by
renaming the file. Otherwise, it is overwritten the next time the software is opened.

In Command Mode (CM), the user can save/load the EEPROM contents from an *.eep file to the
EEPROM and vise versa.

In Normal Operation Mode (NOM), the user can log capacitance and temperature readings to a text file
(.txt) of the user’s choice.

The calibration is documented in the CalibrationLog_ddMMMYYYY.txt file. These files are cumulative,
with a new file for each day to prevent them from getting too long.
4.1.2
Data File calibration.db
The calibration.db file is used by the software for calibration. Where the file is saved depends on the Windows
system:

For Windows 2000 and Windows XP, it is saved in C:\Documents and Settings\All Users\Application
Data\ZMDI\cLite SSC Evaluation Software.

For Windows®Vista and Windows®7, it is saved in C:\ProgramData\ZMDI\cLite SSC Evaluation
Software.
Evaluation Kit
June 30, 2011
© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.1
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used
without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
without notice.
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ZSC31210/ZSSC3122/ZSSC3123
cLite™ SSC Modular Evaluation Kit Description
Figure 4.1
cLite™ Software Main Menu
To setup communication,
first select the “HW Type”
and the “Product and
Revision” under “Setup”
(see section 4.2).
Then enter the COM
port and click the
adjacent button,
which toggles from
“Open Port” to “Close
Port” (section 4.3)
Verify communication
in the status window.
Normal operation
(NOM) section
4.2
“Setup” Menu
After opening the cLite SSC Evaluation Software, the connected board type and the correct product and silicon
revision must be selected under “Setup.”
Figure 4.2 Setup Selection (Example for ZSSC3122)
Evaluation Kit
June 30, 2011
© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.1
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without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
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ZSC31210/ZSSC3122/ZSSC3123
cLite™ SSC Modular Evaluation Kit Description
4.2.1
Special Feature “Set I2C Speed”
This feature sets the I2C speed to a different frequency (default value: 100kHz).
4.2.2
Special Feature “Find I2C Address”
This feature finds the I2C address of the cLite™. This can be used if the address was accidentally changed and
communication is locked.
4.2.3
Special Feature “Power up all DUTs”
This feature is only used for the Mass Calibration Board.
4.3
“Open Port” Button
The cLite™ SSC Evaluation Software provides a drop-down menu for selection of all available COM ports on the
PC. Select the correct COM port from the drop-down menu (see section 2). To set up communication with the
SSC CB, click on “Open Port” (see Figure 4.1), which then toggles to “Close Port.” If the port is opened
successfully, “Opened port COMx” will appear in the status window.
4.4
Display Selection
During normal operation, it is possible to display the sensor and temperature data output in one of three different
formats. The “Display” section at the top left allows the user to select decimal, hexadecimal, or percent and
degrees Celsius. The selected format is displayed in the sensor and temperature display boxes below the
“Display” section (see section 4.6).
4.5
“Master I2C Addr” Section
Use the “I2C Addr” field at the top to enter the address that the SSC CB uses to communicate with the cLite™
installed in the socket on the SSC Evaluation Board. Then click “Set Address.” Valid settings are 00HEX to 7FHEX.
The default is 28HEX. See important notes in section 4.12.2 regarding settings when the communication address is
locked.
4.6
Sensor and Temperature Display
The software displays two large readout windows for sensor and temperature values at the top left. The upper
display window is the cLite™ temperature reading in decimal/hexadecimal/oC. The window below the temperature
is the sensor reading in decimal/hexadecimal/%. To adjust the rate at which data is read from the IC, use the rate
adjustment (see section 4.8).
If the cLite™ has not been temperature calibrated, the displayed temperature is invalid.
The different colors of the display field indicate the cLite™ mode:
‡
Color
Green
Blue
Red
Yellow
IC Mode/State
Valid value in Normal
Operating Mode
(NOM)
Valid in
Command
Mode (CM)
Diagnostic
Stale Data (NOM) ‡
For more details, refer to the appropriate datasheet (ZSC31210_cLite_Datasheet.pdf, ZSSC3122_cLite_Datasheet.pdf, or
ZSSC3123_cLite_Datasheet.pdf).
Evaluation Kit
June 30, 2011
© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.1
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used
without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
without notice.
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ZSC31210/ZSSC3122/ZSSC3123
cLite™ SSC Modular Evaluation Kit Description
4.7
“Log File” Field
Sensor and temperature readings can be logged to a PC file. Use the “Open Log” button (below the sensor
reading display window in Figure 4.1) to select the filename and directory where the file will be stored. Click the
“Save” button to log every data sample displayed in the selected file with the date and time the sample was
collected.
The resulting text file is a comma-delimited ASCII file (CSV) and can be imported into spreadsheet applications
such as Microsoft Excel.
4.8
Normal Operation Section
The normal operation section (below the “Master I2C Addr” section) controls the collection of data when the IC is
in Normal Operation Mode (NOM).
4.8.1
“Run” Button
To start a continuous readout of sensor and temperature data, click the “Run” button. The button text will change
to “Stop.” Click again to stop data collection.
4.8.2
“Rate” Field
This field sets the period (ms) for the sample rate of the continuous read out. Valid settings are 10ms or longer. If
this setting is less than the conversion time, stale data will occasionally be fetched (see section 4.6).
4.8.3
“VDD” Field
This field should be set match the VDD level used for powering the cLite™ DUT. The value is used to properly
scale the A2D readings for display when using PDM output mode. If not using PDM, this field can be ignored.
4.9
“Start CM” Button
To communicate to the cLite™, start the Command Mode (CM) by clicking “START CM” (see Figure 4.1). In this
mode, the measurement cycle is stopped and the full command set is available.
4.10 “Start NOM” Button
To exit Command Mode and return the cLite™ to Normal Operation Mode (NOM), click “START NOM” (see
Figure 4.1). In this mode, the cLite™ continually performs the measurement cycle: reading, conditioning, and
transmitting sensor data. Note: For the cLite™, NOM is recommended for the raw value collection during the
calibration.
4.11 EEPROM Editor Section
The EEPROM editor section (lower left in Figure 4.1) provides read and write access to all of the EEPROM
locations within the cLite™. To read the EEPROM, click the “Read” button when the cLite™ is in Command
Mode. To write to an individual EEPROM address, click on the data row of the desired address, type in the new
EEPROM contents, and press the ENTER key on the keyboard. Newly written data will be displayed in gray,
Evaluation Kit
June 30, 2011
© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.1
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used
without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
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ZSC31210/ZSSC3122/ZSSC3123
cLite™ SSC Modular Evaluation Kit Description
indicating that the Error Correcting Codes (ECC) have not yet been checked. To check the codes, perform an
EEPROM read.
4.11.1
“Read” Button
To read EEPROM settings, click the “Read” button while in Command Mode. The “EEPROM” section displays all
of the fields currently stored in the cLite™ EEPROM (non-volatile memory). Data that is read from EEPROM is
displayed in one of four colors depending on the status of the ECC § check.
4.11.2
Color
Black
Gray
Orange
Red
ECC Status
Correct data
Data has not
been checked
Corrected
single-bit error
Uncorrectable
double-bit error
“Save” Button
The EEPROM contents can be saved to a file in the [My Documents]\ZMDI\cLite SSC Evaluation Software
directory by clicking the “Save” button. The standard Windows™ dialog box for file saving results. All files will be
saved with an “.eep” file extension.
4.11.3
“Load” Button
EEPROM contents that have been previously saved to file can be written to the current EEPROM by clicking the
“Load” button. The standard Windows™ dialog box for loading a file results. The default folder for the saved file is
[My Documents]\ZMDI\cLite SSC Evaluation Software.
Note: The first byte of the data in the EEPROM address 04HEX is masked to prevent overwriting required ZMDI
factory settings.
4.12 “Configuration” Section
This section is used to expedite programming configuration and communication settings in the EEPROM of the
cLite™ device under test (see Figure 4.1). Each of the group boxes (ZMDI_Config, Customer_Config,
AFE_Config) maps to an EEPROM address. The dialog items within the box represent individual bits within the
configuration fields.
4.12.1 ZMDI Config
“Meas Mode” Menu
This allows the user to select between Update Rate and Sleep Mode. Sleep Mode significantly reduces power
consumption of the cLite™ by “sleeping” until a measurement request is received. Note that in Sleep Mode, PDM
cannot be used.
§
For more details, refer to the appropriate datasheet (ZSC31210_cLite_Datasheet.pdf, ZSSC3122_cLite_Datasheet.pdf, or
ZSSC3123_cLite_Datasheet.pdf)
Evaluation Kit
June 30, 2011
© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.1
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used
without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
without notice.
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ZSC31210/ZSSC3122/ZSSC3123
cLite™ SSC Modular Evaluation Kit Description
“Update Rate” Menu
When operating in Update Mode, the update rate determines power consumption and response time. Select the
update rate by clicking on one of the four update rates on the “Update Rate” drop-down menu.
“Output Mode” Menu
Three output options are available on the “Output Mode” drop-down menu:



I2C
SPI
PDM
“Lock EEPROM” Checkbox
If “Lock EEPROM” is checked, EEPROM locations 0 through 15HEX are permanently locked preventing any future
changes.
“Lock I2C Addr” Checkbox
If needed, lock the slave I2C address selection by clicking the “Lock I2C Addr” checkbox. Without this lock, the IC
will respond to all I2C addresses. If the address is locked, the “I2C Addr” setting (see section 4.5) must match the
“DeviceID” programmed in EEPROM.
“SotTC 2x”
If “SotTC 2x” is checked, the SOT_tcg and SOT_tco values (EEPROM words 09HEX, 07HEX) are multiplied by a
factor of 2. The check box is set by the calibration DLL as a result of the calculated calibration coefficients stored
in the EEPROM.
“GainC 4X” Checkbox
If “GainC 4X” is checked, the Gain_1 and Gain_2 values (EEPROM words 0CHEX, 0EHEX) are multiplied by a factor
of 4. The check box is set by the calibration DLL as a result of the calculated calibration coefficients stored in the
EEPROM.
“Third Order Corr” Checkbox
If “Third Order Corr” is checked, the third order nonlinearity correction is selected instead of piece-wise correction
with breakpoint math. Otherwise the piece-wise correction with break point math is enabled.
4.12.2 Customer Config
“Device ID” Field
When the cLite™ is in I2C communication mode, the default slave address is 28HEX. If a different slave address is
required, program the part for the new address by entering the hexadecimal value of the new address in the
“Device ID” field. The value is written to EEPROM when the field is unselected. The valid address range is 00HEX
to 7FHEX. The new I2C address will take effect on cycling power or entering Normal Operation Mode (“Start NOM”).
Note: If “Lock I2C Addr” is on (see section 4.12.1), “DeviceID” must match the “I2C Addr” setting (see section 4.5).
Evaluation Kit
June 30, 2011
© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.1
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used
without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
without notice.
14 of 28
ZSC31210/ZSSC3122/ZSSC3123
cLite™ SSC Modular Evaluation Kit Description
“Alarm High” Menu
The “Alarm High” drop-down menu configures the Alarm High pin to be active low or active high and sets whether
it is full push-pull or open drain.
“Alarm Low” Menu
The “Alarm Low” drop-down menu configures the Alarm Low pin to be active low or active high and sets whether
it is full push-pull or open drain.
“SPI Phase” Menu
The “SPI Phase” drop-down menu configures whether the SPI master samples data on the negative edge or on
the positive edge when using SPI communication.
“Ready Open Drain” Checkbox
If checked, “Ready Open Drain” configures the Ready pin to be an open-drain style driver instead of full push-pull.
“Fast Start Up” Checkbox
If checked, “Fast Start Up” sets the Command Window length to 3ms instead of 10ms.
4.12.3 AFE Config Section
The “AFE Config” section configures the analog front-end for both the sensor and internal temperature
measurement. See the datasheet for details on how to configure this section properly.
4.13 “Commands” Section
The “Commands” section allows issuing commands to the cLiteTM. Click “START CM” first (Start Command Mode)
before sending any commands to the cLiteTM. Note that EEPROM contents displayed in the main menu are not
updated automatically if changed in this section. Figure 4.3 shows an example of an EEPROM read. A
“DataFetch” must be sent next as shown in Figure 4.4. For more details, refer to the section 4 of the data sheet
regarding Command Mode and section 8.2 below.
Evaluation Kit
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© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.1
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without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
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Figure 4.3 Send EEPROM Read Command (Example for address 02)
Select the specific
command
More details for the
commands
Specify command
and data (see Data
Sheet, section 4.2)
Changes in SubCMD
and “Data” field will
be transferred here
Click the “Send
Command” button
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without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
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ZSC31210/ZSSC3122/ZSSC3123
cLite™ SSC Modular Evaluation Kit Description
Figure 4.4 Send DataFetch Command
Select the specific
command
Click the “Send
Command” button
Evaluation Kit
June 30, 2011
Result of the EEPROM
word address 2 reading
(status byte 81HEX,
contents 0B01HEX;
th
4 byte can be ignored)
© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.1
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without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
without notice.
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ZSC31210/ZSSC3122/ZSSC3123
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5 Dry Run Calibration
The following directions perform an example of a simple 3-point nonlinear calibration using the sensor
replacement C0 (3pF, 6pF, 3+6pF) on the SSC board. The calibrated I2C output will be displayed as the
calibration result (see section 4.6).
5.1 Steps for the Dry Run Calibration
1) Connect the SSC Communication (SSC CB) and cLite SSC Evaluation Board. Insert the cLite™ DUT in the
14-pin TSSOP socket taking care to align pin 1 as indicated in Figure 3.1).
2) Connect a USB cable from the USB connector on the SSC CB to an available USB port on the PC. In the
PC’s Device Manager, check which COM port is connected to “ZMDI SSC Evaluation Kit.” Verify that the
green PWR LED is lit on the SSC CB.
3) Start the cLite SSC Evaluation Software.
4) Select the proper “HW type” (SSC Eval Kit) and “Product” under the setup menu (see section 4.2)
5) Select the proper COM port. Click on “Open Port” (see section 4.3).
6) Click on “START CM.” If the setup is correct, the current EEPROM contents are displayed in the “Response”
field at the right and in the EEPROM section in the lower left bottom.
7) Click on the “Load” button and browse as needed to locate and load any *.eep file (see section 4.1). Using the
capacitance on the SSC Evaluation Board for this example, load the default EEPROM file provided with the
software installation for the product and revision used (ZSC31210 Rev C Default.eep, ZSSC3122 Rev A
Default.eep, or ZSSC3123 Rev A Default.eep) ** .
8) Click on “Calibrate.” The calibration window appears (see Figure 5.1).
**
The cLite™ software prevents overwriting reserved factory settings when loading this file.
Evaluation Kit
June 30, 2011
© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.1
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without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
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ZSC31210/ZSSC3122/ZSSC3123
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Figure 5.1 Calibration Window with 3-Point Calibration Example
Sensor % Field
ASIC ID Section
9) For the 3-point calibration, choose the coefficients Gain_1, Offset_1 and Sot_1 by highlighting the coefficients
in the upper middle section of the calibration window. The smaller graph above the coefficient list indicates
the recommended pattern of three capacitive sensor readings at the same temperature.
10) For calibrations using a piece-wise correction, check “Piecewise Correction” and set a break point in the
“Break Pt” field. For this example, no breakpoint is used, so leave the default value 100% as the setting.
11) Click on “Initialize” in the ASIC ID section (lower left corner). The “Initialize Calibration” window appears (see
Figure 5.2). Click “Browse” and select the same default EEPROM file as used in step 7). Click on “Initialize
From File.”
Figure 5.2 – Initialize Calibration Window (Example for the ZSC31210)
12) Next start data collection. Normally this would be done with a real capacitive sensor attached to the cLite™ on
a Remote Board in a controlled chamber. Instead, this dry run calibration uses the C0 sensor replacement as
the input.
Note: The minimum number of calibration points is equal to the number of coefficients to be calculated. The
software allows the user to collect more than the required number of calibration points. The user can select
which points are used for calculating the calibration coefficients via checking the “Cal” column. Data points
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that are not selected in the “Cal” column will be used for validation of the output error shown the “Error”
column.
a. On jumper K7 on the SSC Evaluation Board, shunt C0 to CC for a 3pF capacitance input
(see Figure 3.1).
b. Enter 10% in the “Sensor %” field.
c.
Click on “Add New Point.” The software obtains a raw reading from the part, graphs the new data point,
and displays the values in the middle bottom section.
d. Remove the 3pF shunt on K7. Shunt C0 to CC on the K8 jumper for a 6pF capacitance input.
e. Enter 50% in the “Sensor %” field.
f.
Click on “Add New Point” again. The software obtains a new raw reading from the part and graphs the
new data point.
g. Add the 3pF shunt back onto K7 for a total of 9pF capacitance input.
h. Enter 90% in the “Sensor %” field.
i.
Click on “Add New Point” again. The software obtains a new raw reading from the part and graphs the
new data point.
13) Because this is a 3-point calibration, the software has all the necessary data for calculating and writing the
coefficients. Click on “CalculateCoefficients,” which should now be active.
14) Close the calibration window. Click on “Start NOM” and then “Run” to display the digital output values in the
lower display section.
6 Verify Calibration with PDM_C Output
In PDM mode, the cLite™ must be programmed in Update Mode. A simple first-order RC filter is provided on the
SSC Evaluation Board for creating an analog output by filtering the PDM signal (for more details refer to the
datasheet section 3.7). The analog output voltage can be measured in two different ways supported by the SSC
Evaluation Kit as described below. The calibration steps explained in section 5 are also valid for applications
using the PDM_C output.
6.1 Measuring the PDM_C Output using the cLite™ Software
For this check, the 10-bit ADC of the µController on the SSC CB reads the PDM_C voltage and displays the ratio
of the measured output voltage to the supply voltage of the SSC CB (5V). In order to get an accurate reading, the
VDD voltage on the SSC Evaluation Board must be known (the voltage can be adjusted via the blue potentiometer on the board). Record the voltage into the VDD field in the main window of the cLite™ SSC Evaluation
software.
Follow the instructions in steps 1) through 12) of section 5, and then complete these additional steps.
12) Change the output mode selection in the main menu to PDM_C.
13) Enable PDM_C/PDM_T via the K3/K4 jumpers on the SSC Evaluation Board.
14) Click on “Start NOM” and then “Run” to display the output voltage in [%] of the supply voltage.
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7 Calculation of Calibration Coefficients Off-Line
Note This calculation is possible without connecting the kit boards to the PC. Raw and target values can copied
using the copy and paste function of any spreadsheet program.
Steps for the Off-Line Calibration Coefficient Calculation:
(1) Start the cLite SSC Evaluation Software.
(2) Click on “Calibrate.” The calibration window appears (see Figure 5.1).
(3) Select the coefficients for the desired calibration method by highlighting the coefficients in the upper middle
section of the calibration window. The smaller graph above the coefficient list indicates the recommended
pattern of capacitive sensor readings and temperature readings.
(4) For calibrations using a piece-wise correction, check “Piecewise Correction” and set a break point in the
“Break Pt” field.
(5) Click on “Initialize” in the ASIC ID section (lower left corner). The “Initialize Calibration” window appears (see
Figure 5.2). Click “Browse” and select any xxx.eep file stored in the folder [My Documents]\ZMDI \cLite SSC
Evaluation Software. Click on “Initialize From File.”
Note: This is a “blind” initialization, because no part is connected.
(6) Start data collection. The target and raw values can be written/copied in the related fields. The numbers are
[%] for the capacitance target and raw readings and [C] for the temperature target and raw readings.
a. Click on “Add New Point.”
b. Enter the first target capacitance reading [%] in the “sensor” field and enter the raw value [%] in the
“raw” field. For calibration with temperature compensation, also add the chamber temperature in the
“temp” field temperature and raw readings in the “rawT” fields.
c.
Repeat a) and b) as needed until all calibration points are entered.
Note: See step 12) in section 5.1 for use of the “Cal” column shown in Figure 7.1.
Figure 7.1 Fields for Manually Entering Target and Raw Values
Enabled values are
used for calibration
Target and raw values
(e.g., copied from Excel™)
Validation error in calibration point (re-calculation with calculated coefficients; ignore
errorT without temperature calibration)
(7) Check the “Valid” check box, and click on the “Calculate Coefficients” button. The coefficients are stored in
the CalibrationLog.txt file.
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without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
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ZSC31210/ZSSC3122/ZSSC3123
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(8) Click “View Log” to open this file. For each calibration point, the error for the point is calculated in the same
file.
(9) The calibration information can be exported to Microsoft Excel™ or to a CSV file by clicking on the “Export”
button. (Use the drop-down arrow to switch between Excel™ and CSV file)
Note Instead of entering the raw and target values for the capacitance and temperature target and raw values,
the user can transfer these values from an Excel™ file using the copy/paste feature. The number of rows in
the Excel™ table must match the number of rows in the software. Ensure that the Excel™ table includes
only numbers in the correct format (Category: Number). Copying from formula results is not possible.
8 cLite™ SSC Evaluation Software with the ZMDI SSC Terminal
8.1
Protocol
The microcontroller (type ATmega32) on the SSC Communication Board (SSC CB) enables communication with
the SSC Evaluation Board/ cLite™ using the cLite SSC Evaluation Software running on the PC. The standard l2C
protocol is implemented in the microcontroller’s software. The USB_UART IC on the SSC CB transfers the signals
from the microcontroller to the USB port of the PC.
For more details, see the ZSC31xxx_ZSSC3xxx_CommBoard_DS_Rev_*.pdf.
8.2
ZMDI SSC Terminal
The ZMDI SSC Terminal is the lowest level of communication for transferring commands from the PC to the
microcontroller on the SSC CB. A full summary and detailed command description of the applicable controller
commands are given in ZSC31xxx_ZSSC3xxx_CommandSyntax_Rev_*.xls.
Install the SSC Terminal V204.exe from the SSC CD-ROM, which will create a ZMDI SSC Terminal icon on the
PC desktop. Click on this icon to activate the terminal program. For the cLiteTM communication mode, use the
setting explained for I2C or SPI.
Table 8.1
Character Order for ZMDI SSC Terminal
1
cLite™
3
6,7,8
<d…d>
R or W
T or _
Read or
Write
Trigger Power
Cycle or Not
Slave address )
(28HEX default)
Number of Bytes to
Read and Write
Blank for Read;
Data Bytes to Write
I
W
T
28
003
500000
I
R
_
28
002
I
Comments
Examples
2
Character Order
4,5
Note: If “T” is sent for the 3rd position (instead of “_”), the cLite™ is powered off and then on. “T” should be used
only if power cycling is necessary for operation (ie “Start Command Mode”).
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ZSC31210/ZSSC3122/ZSSC3123
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Figure 8.1 below shows a communication example. Write the command in the input line and press ENTER on the
keyboard or click on “Send.”
Figure 8.1 SSC Terminal Program Sample
v
Readout of SSC CB’s firmware version.
t11002
io_10
Switch on both supplies with 20ms delay between
power on and first command.
Set timing for switch supply off to 50ms off before
triggering the SSC.
Set communication speed to 100kHz.
so_201111
Open SPI interface with specific configuration .
iwt
Turn on the SSC board.
iwt28003a00000
PrPD
Start Command Mode w/ power on using defined
delay between power-on and communication start.
Read Port D (Ready pin/ PDM_C).
ir_28004
Read 4 bytes (1 status byte and 3 data bytes).
t_050
††
iw_28003000000 I2C Send command 00 0000 to slave address
28HEX. Read EEPROM adr 00.
Input Line – Enter command
here and then click “send.”
††
PrPD
Read Port D (Ready pin/ PDM_C).
ir_28004
Read 4 bytes. (1 status byte and 3 data bytes)
Note: The selected command sequence shows how the kit
software is programmed. For an EEPROM reading, a data fetch
for 3 bytes (ir_28003) reads the status byte and the 2 byte
EEPROM contents. The Ready pin high status indicates that
new data at the digital interface are ready to fetch.
For more details, refer to ZSC31xxx_ZSSC3xxx_CommandSyntax_Rev_*.xls
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ZSC31210/ZSSC3122/ZSSC3123
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9
Pin Configuration and Package – TSSOP14 Samples
The ZSSC3122 and ZSSC3123 are available with production parts in the TSSOP-14 (4.4±0.1mm body wide with
lead-pitch 0.65mm) package. The ZSC31210 is available in this package for samples only. The ZSC31210,
ZSSC3122, and ZSSC3123 are pin compatible. See the notes in Table 9.2 regarding connection requirements.
Table 9.1
Storage and Soldering Condition
Storage and Soldering TSSOP14
Maximum Storage Temperature
Tmax_storage
Less than 10hrs, before
mounting
Minimum Storage Temperature:
Tmin_storage
at original packing only
Maximum Dry Bake Temperature
Tdrybake
Less than100hrs in summary,
before mounting
Soldering Peak Temperature
Tpeak
150
C
-55
Less than 30s
(IPC/JEDEC-STD-020
Standard)
C
125
C
260
C
Figure 9.1 ZSC31210, ZSSC3122, and ZSSC3123 cLiteTM Pin-Out Diagram – TSSOP-14
1
14
2
13
3
12
4
11
5
10
6
9
7
8
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ZSC31210/ZSSC3122/ZSSC3123
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Table 9.2
ZSC31210, ZSSC3122, and ZSSC3123 cLite™ Pin Assignments – TSSOP-14
Pin
Name
Description
Notes
1
VCORE
Core voltage
2
C0
Capacitor input 0
3
VSS
Ground supply
4
CC
Common capacitor input
5
VSS
Ground supply
Connecting to GND for shielding is
strongly recommended.
6
C1
Capacitor input 1
If not used, must be unconnected.
7
VDD
Supply voltage (2.3V to 5.5V for ZSC31210)
(1.8V to 5.5V for ZSSC3122 and ZSSC3123)
Must connect to Vsupply.
8
Alarm_Low/
PDM_T
Low alarm output
Temperature PDM (see Table 3.8)
If not used, must be unconnected.
9
Alarm_High
High alarm output
If not used, must be unconnected.
10
Ready/
PDM_C
Ready signal (conversion complete output)
Capacitance PDM (see Table 3.8)
If not used, must be unconnected.
11
VSS
Ground supply
Must connect to GND.
2
Always connect to an external capacitor to
Gnd that is within the specifications given
in data sheet section 1.3 for CVCORE_SM and
CVCORE_UM. This is the only internal module
pin. Refer to section 8 for ESD details.
2
Connecting to GND for shielding is
strongly recommended.
12
SDA/MISO
I C data if in I C Mode
Master-In-Slave-Out if in SPI Mode
(see Table 3.8)
If not used, must connect to VDD.
13
SCL/SCLK
I2C clock if in I2C Mode
Serial clock if in SPI Mode (see Table 3.8)
If not used, must connect to VDD.
14
SS
Slave Select (input) if in SPI Mode
(see Table 3.8)
If not used, must be unconnected.
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ZSC31210/ZSSC3122/ZSSC3123
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10 Related Documents
Document
File Name
ZSC31210, ZSSC3122, and ZSSC3123 Common Documents
ZSC31xxx_ZSSC3xxx_Communication Board
Datasheet
ZSC31xxx_ZSSC3xxx_CommunicationBoard_V33_DataSheet_Rev_X_xx.pdf
ZSC31xxx_ZSSC3xxx_Command Syntax Spreadsheet ZSC31xxx_ZSSC3xxx_CommandSyntax_Rev_X.x.xls
cLite™ Kits Feature Sheet
(includes ordering codes)
cLite_Kits_Feature_Sheet_revX.x.pdf
SSC Communication Board Driver Installation
Instructions
SSC_AN_CommunicationBoard_Driver_Installation_Rev_X_x.pdf
ZSC31210-Specific Documents
ZSC31210 cLite™ Data Sheet
ZSC31210_cLite_Data_Sheet_revX.x.pdf
ZSC31210 cLite™ Revision B-ES Errata Sheet
ZSC31210_cLite_Errata_RevB-ES_revX.x.pdf
ZSC31210 cLite™ Revision C-ES Errata Sheet
ZSC31210_cLite_Errata_RevC-ES_revX.x.pdf
ZSSC3122-Specific Documents
ZSSC31222 cLite™ Data Sheet
ZSSC3122_cLite_Data_Sheet_revX.x.pdf
ZSSC3122 cLite™ Revision A-ES Errata Sheet
ZSSC3122_cLite_Errata_RevA-ES_revX.x.pdf
ZSSC3123-Specific Documents
ZSSC3123 cLite™ Data Sheet
ZSSC3123_cLite_Data_Sheet_revX.x.pdf
ZSSC3123 cLite™ Revision A-ES Errata Sheet
ZSSC3123_cLite_Errata_RevA-ES_revX.x.pdf
Visit ZMDI’s website www.zmdi.com or contact your nearest sales office for the latest version of these documents.
11 Definitions of Acronyms
Term
Description
ADC
Analog-to-Digital Converter
CM
Command Mode
NOM
Normal Operation Mode
SSC CB
SSC Communication Board
SSC
Sensor Signal Conditioner
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12 Document Revision History
Revision
Date
Description
1.0
November 11, 2010
First release of document.
1.1
June 30, 2011
Updates for new version of software.
Revision to add section 9, which provides the pin assignments for the TSSOP-14
package used for the ZSC31210 samples (TSSOP-14 package is only available as
samples with the Evaluation Kit; production parts are only available as die).
Revision to Table 9.2 for the VCORE pin.
Revision to add the ZSSC3122 and ZSSC3123.
Sales and Further Information
www.zmdi.com
[email protected]com
Zentrum Mikroelektronik
Dresden AG
Zentrum Mikroelektronik
Dresden AG, Japan Office
ZMD FAR EAST, Ltd.
ZMD America, Inc.
Grenzstrasse 28
01109 Dresden
Germany
8413 Excelsior Drive
Suite 200
Madison, WI 53717
USA
Phone
Fax
Phone
Fax
+49 (0)351.8822.7.772
+49 (0)351.8822.87.772
+1 (608) 829-1987
+1 (631) 549-2882
2nd Floor, Shinbashi Tokyu Bldg.
4-21-3, Shinbashi, Minato-ku
Tokyo, 105-0004
Japan
Phone
Fax
+81.3.6895.7410
+81.3.6895.7301
3F, No. 51, Sec. 2,
Keelung Road
11052 Taipei
Taiwan
Phone
Fax
+886 2 2377 8189
+886 2 2377 8199
DISCLAIMER: This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Zentrum Mikroelektronik Dresden AG
(ZMD AG) assumes no obligation regarding future manufacture unless otherwise agreed to in writing. The information furnished hereby is believed to be true and accurate. However, under
no circumstances shall ZMD AG be liable to any customer, licensee, or any other third party for any special, indirect, incidental, or consequential damages of any kind or nature whatsoever
arising out of or in any way related to the furnishing, performance, or use of this technical data. ZMD AG hereby expressly disclaims any liability of ZMD AG to any customer, licensee or any
other third party, and any such customer, licensee and any other third party hereby waives any liability of ZMD AG for any damages in connection with or arising out of the furnishing,
performance or use of this technical data, whether based on contract, warranty, tort (including negligence), strict liability, or otherwise.
Evaluation Kit
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without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
without notice.
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ZSC31210/ZSSC3122/ZSSC3123
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Appendix A: Schematic cLite™ SSC Evaluation Board
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without the prior written consent of the copyright owner. The information furnished in this publication is subject to changes
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