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SSC Mass Calibration Board V2.1 Datasheet

Description

The SSC Mass Calibration System (MCS) enables simple and

intuitive handling of calibration and evaluation of a larger number

of sensor systems based on IDT’s Sensor Signal Conditioner ICs

(SSCs). An evaluation of different mass calibration procedures for

subsequent series production is possible earlier in the product

development phase. This allows an optimized product design that

can meet the requirements of cost-effective mass manufacturing

and mass calibration.

The primary circuit board for the MCS is the Mass Calibration Board

(MCB), which communicates with the user’s computer via the SSC

Communication Board (SSC CB). For each MCB, up to 24 devices

under test (DUTs) can be calibrated, and up to eight MCBs can be

connected in series to a single SSC CB, allowing mass calibration

of up to 192 DUTs.

Three digital interfaces are supported: I2C, one-wire interface

(OWI), and Local Interconnect Network (LIN)*. The analog output

voltage of each DUT can also be monitored and measured. The

user can adjust an individual board address manually, and each

MCB can be controlled via the mass calibration software installed

on the user’s computer. Individual configuration and calibration of

DUTs is possible by multiplexing the power supply of the DUTs.

The serial interface used by the DUTs is adjusted automatically via

software. If more than one MCB is used simultaneously, then these

adjustments must be identical for proper operation.

Jumper connectors on the MCBs provide access to all power lines.

The board can be supplied with 8 to 16 VDC via the on-board 5V

linear regulator. To avoid overloading this single power supply line

if heavy loads are driven, there are separate power supply

interfaces for the MCB, the DUTs, and the I2C serial bus.

Features



Multiple sensor module (DUT) access with support for the

different digital interfaces of IDT SSC ICs

Interface to the user’s computer via a USB port via the SSC

CB, which is also included in IDT’s modular SSC Evaluation

Kits

Each MCB interfaces up to 24 DUTs

Up to 8 MCBs can be connected in series and are

addressable separately via one SSC CB, allowing

simultaneous calibration of up to 192 DUTs with one system

Separate power supplies for the MCB, the DUTs, and the I2C

bus is possible

DUT analog output signal measurement

PC-controlled “plug & play” mass calibration and configuration

via USB interface – simple, low cost

Same ZSSCxxx

Evaluation Software

as for ZSSCxxxx

Evaluation Kits – simple installation.

Contents

SSC Mass Calibration Board V2.1



Software is available for download from the product page for

the Mass Calibration System (MCS) for the specific DUT

product



The DUTs are connected via standard connectors with

mechanical locking



The board uses LIN protocol at a voltage level of 5VDC.

SSC Mass Calibration Board V2.1

April 18, 2018

SSC Mass Calibration Board V2.1 Datasheet

Important Notes

Disclaimer

Integrated Device Technology, Inc. and its affiliated companies (herein referred to as “IDT”) shall not be liable for any damages arising out of defects resulting from

(i)

(ii)

delivered hardware or software

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.

Restrictions in Use

IDT’s Mass Calibration System (MCS), consisting of the Communication Board (SSC CB), Mass Calibration Board (MCB), and the

ZSSCxxxx Evaluation Software,

is designed for sensor module evaluation, laboratory setup and the module’s mass calibration development only.

IDT’s Mass Calibration System (MCS) must not be used for module production and production test setups.

Firmware Compatibility

The current version of the SSC CB is V4.1. For previous SSC CB versions, if the firmware version is earlier than V2.19a, the board will not be able to communicate

with the SSC Mass Calibration Board V2.1. In this case, it is necessary update the firmware, which can be downloaded from

www.IDT.com/SSC-MCB.

For details

about the update procedure, refer to the

SSC Communication Board Application Note – Firmware Updates

available at

www.idt.com/ssc-cb.

Compatibility with Previous MCB Versions

If the MCB V2.1 is to be used with a previous version MCB V2.0, refer to the

ZSC31xxx/ZSSC3xxx MCS Application Note – Mass Calibration Board Interaction

(available upon request). Do not connect a previous version MCB V2.0 as the first MCB connected to the SSC CB.

Contents

MCB – Overview...........................................................................................................................................................................................5

Pin Assignments ...........................................................................................................................................................................................6

Electrical Characteristics ..............................................................................................................................................................................7

Circuit Description ........................................................................................................................................................................................8

4.1

4.2

4.3

4.4

4.5

General Information ...........................................................................................................................................................................8

Communication Interface to User’s Computer ...................................................................................................................................8

Firmware Version ...............................................................................................................................................................................9

Software for the Mass Calibration System .........................................................................................................................................9

Addressing and Communication Options .........................................................................................................................................10

4.5.1

4.5.2

4.5.3

4.5.4

Communication Interface Multiplexer ................................................................................................................................10

Using the I2C Interface .....................................................................................................................................................11

Using the OWI Interface ....................................................................................................................................................11

Using the LIN Interface .....................................................................................................................................................11

April 18, 2018

SSC Mass Calibration Board V2.1 Datasheet

4.6

4.7

5.1

Mass Calibration Reference Board (MCR).......................................................................................................................................11

Analog Voltage Output Measurement ..............................................................................................................................................11

Kit Hardware Connections ...............................................................................................................................................................12

5.1.1

5.1.2

5.2

5.3

6.1

7.1

7.2

7.3

7.4

DUT Control and Connector..............................................................................................................................................12

ISP and C-IF Connectors ..................................................................................................................................................12

Setup ..........................................................................................................................................................................................................12

Power Supply Options......................................................................................................................................................................13

MCB Jumper Setup ..........................................................................................................................................................................14

Commands for the Mass Calibration Board .....................................................................................................................................16

DUT Supply Voltages Higher than the MCB’s Supply Voltage ........................................................................................................18

DUT Supply Voltages Lower than the MCB’s Supply Voltage .........................................................................................................19

4 to 20mA Current Loop Application ................................................................................................................................................19

DUT Output Voltage Measurement using MCB ...............................................................................................................................19

Communication Settings .............................................................................................................................................................................16

Application Recommendations ...................................................................................................................................................................18

Schematics .................................................................................................................................................................................................21

Board Layout ..............................................................................................................................................................................................23

10. Glossary .....................................................................................................................................................................................................24

11. Ordering Information...................................................................................................................................................................................24

12. Revision History..........................................................................................................................................................................................25

Appendix A: Examples of Measurement..............................................................................................................................................................26

List of Figures

Figure 1. Mass Calibration Board (MCB) ............................................................................................................................................................5

Figure 2. Modular Mass Calibration System (MCS)............................................................................................................................................8

Figure 3. IDT SSC Terminal Program .................................................................................................................................................................9

Figure 4. Pin Assignment of DUT Connector ....................................................................................................................................................12

Figure 5. D3 Status LED for MCB Microcontroller ............................................................................................................................................14

Figure 6. DUT Connection Circuitry for High Voltage DUT Supply ...................................................................................................................18

Figure 7. Schematic – Central Control Unit ......................................................................................................................................................21

Figure 8. Schematic – Dual DUT Control Circuit ..............................................................................................................................................22

April 18, 2018

SSC Mass Calibration Board V2.1 Datasheet

List of Tables

Table 1.

Table 2.

Table 3.

Table 4.

Table 5.

Table 6.

Table 7.

Table 8.

Table 9.

MCB Pin Assignments .........................................................................................................................................................................6

Pin Assignment MCB-Module (DUT) ...................................................................................................................................................6

Operating Conditions ...........................................................................................................................................................................7

Interface Configuration ......................................................................................................................................................................11

C-IF Connectors ................................................................................................................................................................................12

Screw Terminals on the MCB V2.1 ...................................................................................................................................................13

General Jumper Setup for the MCB V2.1 ..........................................................................................................................................14

K4 Address Jumpers on the MCB V2.1 .............................................................................................................................................15

Commands for Analog Voltage Measurement ...................................................................................................................................19

April 18, 2018

SSC Mass Calibration Board V2.1 Datasheet

MCB – Overview

Mass Calibration Board (MCB)

Figure 1.

Jumper K4 ( Board ID )

MCB address (3 bit)

Address 0

Jumper K23 ( Bus Power )

Supply for I2C bus:

Internal ( +5V )

External ( I2C Power )

Address 1

Jumper K6 ( Analog Out )

Analog output voltage or GND

to screw terminal KL4

Jumper K14 ( VDD_DUT )

DUT power supply:

Internal ( int(5P) )

External via KL2 ( extern )

KL5 ( HV-DUT ) Screw

terminal for external

high voltage supply

Address 2

Address 3

KL2 ( VDD_DUT ) Screw

terminal for external DUT

power supply

ISP Interface

Jumper K20 ( update MCB )

Install jumper for firmware

updates

Important:

Remove during

normal operation!

Warning! Never short the

following connectors:

K17

K18

K19

Connector K2 ( C-IF_out )

Connect to the CB or the

preceding MCB

Connector K3 ( C-IF_out )

Connect to next MCB

KL4 ( AOUT )

Screw terminal for analog

output voltage of DUT

Ground Terminal

KL3 ( I2C Power )

Screw terminal for the

external bus power

µC Reset Button S1

Status LEDs

Examples of the 24 DUT

Terminals: DUT 22, DUT

23, and DUT 24

KL1 ( Board Supply )

Screw terminal for MCB

main power supply

April 18, 2018

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描述	ZSSC313X MASS CALIBR. REF. BOARD	ZSSC313X MASS CALIBRATION SYSTEM	ZSC31150 MASS CALIBRATION SYSTEM	SSC BOARD ZSSC313X V1.1 WITH SAM	SSC BOARD ZSSC313X V1.2 WITH SAM	ZSC31150 MASS CALIBR. REF. BOARD

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