ZSSC4151 Evaluation Kit Hardware Manual
Important Notes
Restrictions in Use
IDT’s ZSSC4151 SSC Evaluation Kit, consisting of the SSC Communication Board (SSC CB), ZSSC415x/6x/7x Evaluation Board (SSC
EB), Sensor Replacement Board (SSC RB), and Evaluation Software, is designed for sensor module evaluation, laboratory setup, and
module calibration development only. IDT’s SSC Evaluation Kit hardware and software must not be used for module production or
production test setups.
The related product ZSSC4151 SSC Mass Calibration System is designed only for development, evaluation, and laboratory setup of
sensor modules with IDT Sensor Signal Conditioner ICs. The IDT Mass Calibration System hardware and software must not be used for
module production and production test setups.
Disclaimer
IDT shall not be liable for any damages arising out of defects resulting from
(i) delivered hardware or software
(ii) non-observance of instructions contained in this manual and in any other documentation provided to user, or
(iii) misuse, abuse, use under abnormal conditions, or alteration by anyone other than IDT.
To the extent permitted by law, IDT 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
2
3
4
5
6
Evaluation Kit Contents and Overview ............................................................................................................. 3
ZSSC415x/6x/7x Evaluation Board .................................................................................................................. 5
2.1. Overview .................................................................................................................................................... 5
2.2. ZSSC415x/6x/7x SSC Evaluation Board Schematic ................................................................................. 6
2.3. Connections between the Communication Board and ZSSC415x/6x/7x Evaluation Board ..................... 7
2.4. Connections between the Sensor Replacement Board and the Evaluation Board ................................... 7
2.5. Connections between the ZSSC4151 IC and the Evaluation Board ......................................................... 8
Ordering Information ........................................................................................................................................ 9
Related Documents .......................................................................................................................................... 9
Glossary ........................................................................................................................................................... 9
Document Revision History ............................................................................................................................ 10
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List of Figures
Figure 1.1
Figure 2.1
Figure 2.2
ZSSC4151 SSC Evaluation Kit ........................................................................................................... 3
ZSSC415x/6x/7x SSC Evaluation Board – Overview ......................................................................... 5
ZSSC415x/6x/7x SSC Evaluation Board Schematic .......................................................................... 6
List of Tables
Table 2.1
Table 2.2
Table 2.3
Table 2.4
ZSSC415x/6x/7x Evaluation Board Connectors, Switches, and LEDs .............................................. 5
Bu1 Signal Connections: ZSSC415x/6x/7x Evaluation Board and SSC Communication Board ....... 7
K10 Signal Connections: ZSSC415x/6x/7x Evaluation Board and Sensor Replacement Board ....... 7
Signal Connections: ZSSC415x/6x/7x Evaluation Board and the ZSSC4151 QFN24....................... 8
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Evaluation Kit Contents and Overview
The ZSSC4151 SSC Evaluation Kit is designed for sensor module evaluation, laboratory setup, and module
calibration development for the ZSSC4151 Sensor Signal Conditioner (SSC). The user’s sensor module can be
connected to the kit for development, evaluation, and calibration. Alternately, the kit provides a sensor
replacement board that can be connected in place of an actual sensor module for basic evaluation purposes only.
The ZSSC4151 Evaluation Kit consists of the following parts:
•
•
•
•
•
•
SSC Communication Board (SSC CB) V4.1 *
ZSSC415x/6x/7x SSC Evaluation Board (SSC EB) V1.1
SSC Sensor Replacement Board (SRB) V2.0
6 ZSSC4151 samples (QFN24 4x4mm)
USB cable
Vacuum suction pen (provided for safe handling of IC samples)
Note: The ZSSC4151 Evaluation Software required for the ZSSC4151 SSC Evaluation Kit is not included with the
kit. This software is available for download from the ZSSC415x product page or by contacting IDT (for contact
information, see page 10). It provides a graphical user interface (GUI) for communication, calibration, and
evaluation. Refer to the ZSSC4151 Evaluation Kit Startup Guide for instructions for setting up the kit hardware,
connections, and software.
Note: The ZSSC415x/6x/7x SSC Evaluation Board is also used in kits for other products, so some of the
ZSSC4151 pin names differ from the board and schematic labels. See Table 2.4 for the corresponding pin names.
Note: There is a “dummy” IC in the socket on the ZSSC415x/6x/7x SSC Evaluation Board that should be replaced
with an actual ZSSC4151 device under test (DUT). Refer to Figure 1.1 for the location of pin 1 for proper IC
orientation.
Figure 1.1 ZSSC4151 SSC Evaluation Kit
Pin 1
Reset
SSC Communication Board
(SSC CB)
*
ZSSC415x/6x/7x
SSC Evaluation Board
(SSC EB)
Sensor Replacement
(SRB)
For detailed information about SSC Communication Board, please refer to the SSC Communication Board Data Sheet available on the IDT website at
http://www.IDT.com/ZSSC415xKIT
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The ZSSC4151 SSC Evaluation Kit contains the hardware needed for communication and calibration of the
ZSSC4151 sensor signal conditioning IC. The user’s PC can communicate with the ZSSC4151 on the SSC EB
via the SSC Communication Board (SSC CB) through a USB connection. The Sensor Replacement Board (SRB)
provides a replacement for an actual sensor and can be used for the first step of a calibration demonstration or a
dry-run calibration. On the SRB, the sensor replacement signal is controlled by a potentiometer and provides a
signal ranging from 2mV to 110mV to the analog front-end of the ZSSC4151 (BRN and BRP pins via the BR1N
and BR1P pins respectively on the K10 connector; see Figure 2.2) and a temperature sensor signal from a
1N4148 diode to the ZSSC4151 temperature input (TS1 or TS2 pin, selectable by jumper K8, see Figure 2.1).
One of the primary purposes of the ZSSC4151 Evaluation Kit is communication between the user’s PC and the
ZSSC4151 DUT. The PC sends commands and data via its USB port (configured as a virtual COM port) to the
SSC CB. The microcontroller on the SSC CB interprets these commands and relays them to the ZSSC4151 in the
*
†
I²C™ or OWI (One-Wire Interface) communication mode.
The microcontroller will also forward any data bytes from the ZSSC4151 back to the PC via the USB connection.
These bytes can be sensor and temperature readings to be displayed via the GUI, raw analog-to-digital converter
(ADC) data used during calibration, or EEPROM data. The SSC CB microcontroller controls the power signals
required for entering the Command Mode (when the OWI interface is used).
The ZSSC4151 power (VDDE) can be supplied from the CB KS5V power supply (jumper K7 closed; refer to
Figure 2.1) or from an externally connected VDDE2 supply (jumper K7 open).
Important: Ensure that jumper K7 is open before connecting an external VDDE2 power supply.
If connected, the VDDE2 supply can be switched ON or OFF by the CB-controlled KS5V and the IC4 power
MOSFET as needed to establish OWI communication.
The reset button (see Figure 1.1) initializes the CB controller to its initial state. Note that any CB port settings
will be overwritten.
The Mass Calibration Board DUT connector is intended for connecting the ZSSC415x/6x/7x Evaluation Board
2
(SSC EB) to a Mass Calibration Board (MCB) for evaluation. The connector provides an I C™ and OWI interface
through the MCB and provides power to it.
Important: Do not connect the SSC CB to the SSC EB if the MCB is used.
* 2
I C™ is a trademark of NXP.
†
OWI is also referred to as ZACwire™.
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ZSSC415x/6x/7x Evaluation Board
2.1.
Overview
Note: See section 2.2 for the SSC EB schematic, including pin names for the CB (Bu1) and SRB (K10) connectors.
Figure 2.1 ZSSC415x/6x/7x SSC Evaluation Board – Overview
Table 2.1
ZSSC415x/6x/7x Evaluation Board Connectors, Switches, and LEDs
Name
Description
D1
Status LED for the KS5V supply. Its forward current is not included in the measured supply current.
Bu1
50-pin female connector connected to the SSC CB. See section 2.3 for descriptions of the signals on Bu1.
K10
50-pin male connector to the SRB. See section 2.4 for descriptions of the signals on K10.
KL1
On-board screw terminal for GND (VSSE), VDDE2 (to VDDE), VDDA, and TS1 connections.
KL2
On-board screw terminal for TS2, VSSA, TOP, and BR2P (not applicable to ZSSC4151).
KL3
On-board screw terminal for BR2N (not applicable), BR1P (to BRP), BR1N (to BRN), and BOT.
K1, K9
Powers (enables) the headers for connecting external Sensor 1 or Sensor 2 modules (K2 and K5 respectively) via KS5V.
K2, K5
Headers for connections for external Sensor 1 or Sensor 2 modules.
K4, K6
Strips for access to all ZSSC4151 signals; can be used to connect directly to the ZSSC4151 for in-circuit programming.
K7
Connects KS5V supply to VDDE pin (leave open when external power supply VDDE2 is connected); provides test points
for simple supply current measurements.
K8
Connects the external SRB temperature sensor to the IC’s TS1 or TS2 inputs.
S1
Switch that is used for interface selection during programming and calibration (set to OWI for ZSSC4151 IC).
QFN-24
Socket for inserting the QFN 4x4mm ZSSC4151 DUT.
K11
Mass Calibration Board (MCB) DUT connector.
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2.2.
ZSSC415x/6x/7x SSC Evaluation Board Schematic
Figure 2.2 ZSSC415x/6x/7x SSC Evaluation Board Schematic
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2.3.
Connections between the Communication Board and ZSSC415x/6x/7x Evaluation Board
Table 2.2 gives the descriptions for the signals on the Bu1 connector (see Figure 2.1) that are applicable to the
ZSSC4151.
Table 2.2 Bu1 Signal Connections: ZSSC415x/6x/7x Evaluation Board and SSC Communication Board
Name
Pin
5P
1
5V constant power supply.
KS5V
3
Power supply controlled by the microcontroller on the SSC CB.
GND
2,4,6
Ground connection.
SCL, SDA
11,13
I C™ interface, 5V logic.
MOSI,
MISO, SCK
17,19,21
SPI interface, 5V logic (used for SSC EB identification by I C™; not applicable to ZSSC4151).
OWI
25
Bi-directional I/O port with ZSSC4151-internal pull-up resistors; a pull-up resistor from KS5V with
a resistance of 4.7kΩ (on the CB) can be enabled by setting the SSC CB microcontroller port pin
G3 low via the PS_G30 terminal command.
ADC1
27
One-Wire Interface (OWI) connection to CB’s ADC1 (PA1).
PE7
28
Bi-directional I/O port with internal pull-up resistors.
Tr_PD2
39
Pull-up from KS5V with 510Ω resistor (R2) to the OWI line; enabled by setting the SSC CB
microprocessor port pin D2 low via the PS_D20 terminal command during OWI communication.
PD4
43
Bi-directional I/O port with internal pull-up resistors.
PD6, PD7
47,49
I C™ 8-bit serial shift registers settings; set by the ZSSC4151 Evaluation Software.
2.4.
Description
2
2
2
Connections between the Sensor Replacement Board and the Evaluation Board
Table 2.3 gives the descriptions for the signals on the K10 connector (see Figure 2.1).
Table 2.3 K10 Signal Connections: ZSSC415x/6x/7x Evaluation Board and Sensor Replacement Board
Name
Pin#
Description
TOP
39
Bridge and temperature sensor positive supply voltage
TS_U
41
Temperature sensor input (diode 1N4148)
BOT
43
Bridge negative supply voltage
BR1P
47
Bridge positive signal BRP
BR1N
49
Bridge negative signal BRN
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2.5.
Connections between the ZSSC4151 IC and the Evaluation Board
Table 2.4 gives the descriptions for the signals on the K6 and K4 connectors (see Figure 2.1) and the relevant
ZSSC4151 IC pins.
Table 2.4 Signal Connections: ZSSC415x/6x/7x Evaluation Board and the ZSSC4151 QFN24
Evaluation
Board Label
Evaluation Board
Connector / Pins
ZSSC4151
Pin Name
QFN24
Pin
VDDA
K6 / 15 and 8
VDDA
1
Positive digital supply voltage
VSSA
K6 / 16 and 9
VSSA
2
Negative analog supply voltage
SDA
K6 / 17 and 10
SDA
3
I²C
Description
TM
data IO
TM
clock
SCL
K6 / 18 and 11
SCL
4
I²C
VDDE
K6 / 19 and 12
VDDE
5
Positive external supply voltage
VSSE
K6 / 20 and 13
VSSE
6
Negative external supply voltage
OUT/DOUT
K6 / 21 and 14
AOUT
7
Analog output and one wire interface IO (OWI)
BR2N
K4 / 17 and 9
Not applicable to the ZSSC4151
BR2P
K4 / 18 and 10
Not applicable to the ZSSC4151
TS2
K4 / 19 and 11
TS2
17
Alternate temperature sensor and current source
resistor
TOP
K4 / 20 and 12
TOP
16
Bridge top potential
TS1
K4 / 21 and 13
TS1
15
Temperature sensor and current source resistor
BR1N
K4 / 22 and 14
BRN
14
Negative input sensor bridge
BOT
K4 / 23 and 15
BOT
13
Bridge bottom potential
BR1P
K4 / 24 and 16
BRP
12
Positive input sensor bridge
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3
Ordering Information
Visit www.IDT.com/ZSSC415xKIT for current product ordering codes and descriptions. After a ZSSC4151
Evaluation Kit has been ordered, individual parts can be ordered separately.
Sales contact information is provided on page 10.
4
Related Documents
Document
ZSSC4151 Evaluation Kit Start-up Guide
SSC Evaluation Kit Feature Sheet
ZSSC4151 Data Sheet
SSC Communication Board Data Sheet
SSC Sensor Replacement Board Data Sheet
SSC Command Syntax
SSC Mass Calibration Board Data Sheet
Visit www.IDT.com/ZSSC4151 and www.IDT.com/ZSSC415xKIT or contact your nearest sales office for the latest
version of these documents.
5
Glossary
Term
Description
ADC
Analog-to-Digital Converter
CB
Communication Board
DUT
Device Under Test
OWI
One-Wire Interface
PCB
Printed Circuit Board
SRB
Sensor Replacement Board
SSC
Sensor Signal Conditioner
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Document Revision History
Revision
Date
Description
1.00
September 8, 2015
First release.
March 11, 2016
Changed to IDT branding.
Corporate Headquarters
Sales
6024 Silver Creek Valley Road
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1-800-345-7015 or 408-284-8200
Fax: 408-284-2775
www.IDT.com/go/sales
Tech Support
www.IDT.com/go/support
DISCLAIMER Integrated Device Technology, Inc. (IDT) reserves the right to modify the products and/or specifications described herein at any time, without notice, at IDT's sole discretion. Performance
specifications and operating parameters of the described products are determined in an independent state and are not guaranteed to perform the same way when installed in customer products. The
information contained herein is provided without representation or warranty of any kind, whether express or implied, including, but not limited to, the suitability of IDT's products for any particular purpose, an
implied warranty of merchantability, or non-infringement of the intellectual property rights of others. This document is presented only as a guide and does not convey any license under intellectual property
rights of IDT or any third parties.
IDT's products are not intended for use in applications involving extreme environmental conditions or in life support systems or similar devices where the failure or malfunction of an IDT product can be
reasonably expected to significantly affect the health or safety of users. Anyone using an IDT product in such a manner does so at their own risk, absent an express, written agreement by IDT.
Integrated Device Technology, IDT and the IDT logo are trademarks or registered trademarks of IDT and its subsidiaries in the United States and other countries. Other trademarks used herein are the
property of IDT or their respective third party owners. For datasheet type definitions and a glossary of common terms, visit www.idt.com/go/glossary. All contents of this document are copyright of Integrated
Device Technology, Inc. All rights reserved.
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