Freescale Semiconductor KIT33814AEEVBE Manuale utente

Freescale Semiconductor

User’s Guide

Document Number: KT33814UG

Rev. 2.0, 4/2013

KIT33814AEEVBE Evaluation Board

Featuring the MC33814 Two Cylinder Small Engine Control IC

Figure 1. KIT33814AEEVBE Evaluation Board

Table of Contents

1 Kit Contents / Packing List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 Jump Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

3 Important Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

4 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

5 Evaluation Board Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

6 MC33814 Device Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

7 Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

8 Evaluation Board Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

9 Installing SPIGen Freeware on your Computer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

10 Setup and Using the Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

11 Evaluation Board Hardware Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

12 Accessory Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

13 Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

14 Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

15 Bill of Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

16 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

17 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

KT33814UG User’s Guide Rev. 2.0 4/2013

2Freescale Semiconductor

Kit Contents / Packing List

1 Kit Contents / Packing List

• Assembled and tested evaluation board/module in anti-static bag.

• Warranty card

2JumpStart

•Gotowww.freescale.com/analogtools

•Locate your kit

• Review your Tool Summary Page

• Look for

Jump Start Your Design

• Download documents, software and other information

KT33814UG User’s Guide Rev. 2.0 4/2013

Freescale Semiconductor 3

Important Notice

3 Important Notice

Freescale provides the enclosed product(s) under the following conditions:

This evaluation kit is intended for use of ENGINEERING DEVELOPMENT OR EVALUATION

PURPOSES ONLY. It is provided as a sample IC pre-soldered to a printed circuit board to make it easier

to access inputs, outputs, and supply terminals. This EVB may be used with any development system or

other source of I/O signals by simply connecting it to the host MCU or computer board via off-the-shelf

cables. This EVB is not a Reference Design and is not intended to represent a final design

recommendation for any particular application. Final device in an application will be heavily dependent

on proper printed circuit board layout and heat sinking design as well as attention to supply filtering,

transient suppression, and I/O signal quality.

The goods provided may not be complete in terms of required design, marketing, and or manufacturing

related protective considerations, including product safety measures typically found in the end product

incorporating the goods. Due to the open construction of the product, it is the user's responsibility to take

any and all appropriate precautions with regard to electrostatic discharge. In order to minimize risks

associated with the customers applications, adequate design and operating safeguards must be provided

by the customer to minimize inherent or procedural hazards. For any safety concerns, contact Freescale

sales and technical support services.

Should this evaluation kit not meet the specifications indicated in the kit, it may be returned within 30 days

from the date of delivery and will be replaced by a new kit.

Freescale reserves the right to make changes without further notice to any products herein. Freescale

makes no warranty, representation or guarantee regarding the suitability of its products for any particular

purpose, nor does Freescale assume any liability arising out of the application or use of any product or

circuit, and specifically disclaims any and all liability, including without limitation consequential or

incidental damages. “Typical” parameters can and do vary in different applications and actual

performance may vary over time. All operating parameters, including “Typical”, must be validated for each

customer application by customer’s technical experts.

Freescale does not convey any license under its patent rights nor the rights of others. Freescale products

are not designed, intended, or authorized for use as components in systems intended for surgical implant

into the body, or other applications intended to support or sustain life, or for any other application in which

the failure of the Freescale product could create a situation where personal injury or death may occur.

Should the buyer purchase or use Freescale products for any such unintended or unauthorized

application, the buyer shall indemnify and hold Freescale and its officers, employees, subsidiaries,

affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable

attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with

such unintended or unauthorized use, even if such claim alleges that Freescale was negligent regarding

the design or manufacture of the part. Freescale™ and the Freescale logo are trademarks of Freescale

Semiconductor, Inc. All other product or service names are the property of their respective owners.

KT33814UG User’s Guide Rev. 2.0 4/2013

4Freescale Semiconductor

Introduction

4 Introduction

The KIT33814AEEVBE Evaluation Board is an easy-to-use circuit board that allows the user to exercise

all the functions of the MC33814 two cylinder small engine control IC. A PC communicates to the EVB

through a USB/SPI Dongle (KITUSBSPIDGLEVME) connected to the PC’s USB port. The Freescale

SPIGen (version 7.0) program provides the user interface to the MC33814 SPI port and allows the user

to send commands to the IC and receive status from the IC.

5 Evaluation Board Features

This evaluation board consists of a MC33814 two cylinder small engine control IC, a USB to SPI Dongle

interface, and power conditioning circuitry. All +5.0 V VCC power required by the board is obtained from

the MC33814 built-in power regulator. A +12 V VBAT supply provides the power to the three internal

voltage regulators.

6 MC33814 Device Features

The MC33814 is an engine control analog power IC intended for two cylinder motorcycle and other small

engine control applications. The IC supports the following functionality:

• Operates over supply voltage range of 4.5 V ≤VPWR ≤36 V

• Logic stability guaranteed down to 2.5 V

• Two fuel injector drivers - typical of 1.3 A each

• Two Ignition IGBT or general purpose gate pre-drivers

• One O2 sensor (HEGO) heater general purpose gate pre-driver

• Relay 1 driver, typically 2.0 A, can be used for fuel pump control

• Relay 2 driver, typically 1.0 A, can be used as power relay control

• Lamp driver, typically 1.0 A can also be used to drive an LED

•V

PROT protected sensor supply tracks VCC +5.0 V regulator

• MCU reset generator - system integrity monitor (watchdog)

• VPP pre-regulator provides power for VCC and VPROT regulators

• Independent fault protection with all faults reported via the SPI

• ISO 9141 K-line interface for communicating diagnostic messages

• Start-up/shut-down control and power sequence logic

• Interfaces directly to MCU using a 5.0 V SPI and logic I/O

• Differential/single-ended VRS conditioning circuit

Freescale analog ICs are manufactured using the SMARTMOS process, a combinational BiCMOS

manufacturing flow that integrates precision analog, power functions and dense CMOS logic together on a

single cost-effective die.

KT33814UG User’s Guide Rev. 2.0 4/2013

Freescale Semiconductor 5

Required Equipment

7 Required Equipment

Minimum equipment required:

• Power supply 12 V with current limit set initially to 1.0 A

• Oscilloscope (4 channel preferably) with current probe

• Multimeter

• USB-enabled PC with Windows XP or higher

• SPIGen 7.0 or greater

• USB/SPI Dongle board (KITUSBSPIDGLEVME) plus 16-Pin Ribbon Cable

• Typical loads (DC servo motor, fuel injectors, solenoids, lamps, relays and tachometer)

KT33814UG User’s Guide Rev. 2.0 4/2013

6Freescale Semiconductor

Evaluation Board Configuration

8 Evaluation Board Configuration

Figure 2. KIT33814AEEVBE plus KITUSBSPIDGLEVME Board Setup

USB/SPI Dongle

(KITUSBSPIDGLEVME) 16-Pin SPI Ribbon

Cable

Power Supply

Two Cylinder Small Engine Control

(KIT33814AEEVBE)

VBAT

GND

KT33814UG User’s Guide Rev. 2.0 4/2013

Freescale Semiconductor 7

Installing SPIGen Freeware on your Computer

9 Installing SPIGen Freeware on your Computer

The latest version of SPIGen is designed to run on any Windows 8, Windows 7, Vista or XP-based operating

system. To install the software, go to www.freescale.com/analogtools and select your kit. Click on that link to

open the corresponding Tool Summary Page. Look for “Jump Start Your Design”. Download to your

computer desktop the SPIGen software as well as the associated configuration file.

Run the install program from the desktop. The Installation Wizard will guide you through the rest of the

process.

To use SPIGen, go to the Windows Start menu, then Programs, then SPIGen, and click on the SPIGen icon.

The SPIGen Graphic User Interface (GUI) will appear. Go to the file menu in the upper left hand corner of

the GUI, and select “Open”. In the file selection window that appears, set the “Files of type: ” drop-down

menu to “SPIGen Files (*.spi)”. (As an exceptional case, the file name may have a .txt extension, in which

case you should set the menu to “All Files (*.*)”.) Next, browse for the configuration file you saved on your

desktop earlier and select it. Click “Open”, and SPIGen will create a specially configured SPI command

generator for your evaluation board.

The GUI is shown in Figure 3. The text at the top is the name of the configuration file loaded. The left side

panel displays folders that group user interfaces. The interfaces in the pre-installed MC33814 folder pertain

specifically to the board under discussion.The process of loading the configuration file has assigned a list

of “Extra Pins” as well as a list “Quick Commands”, all of which are board-specific.

Figure 3. SPIGen GUI

KT33814UG User’s Guide Rev. 2.0 4/2013

8Freescale Semiconductor

Setup and Using the Hardware

10 Setup and Using the Hardware

To perform the examples included in the software bundle, the following connections and setup must be

performed:

1. Make sure the SPIGen program is installed on the PC and can communicate with the USB/SPI dongle as

described in that kit’s documentation.

2. Connect the USB/SPI dongle to the MC33814 EVB via a 16 pin ribbon cable. Make sure to orient the cable so

that pin1 on both the USB/SPI dongle and the MC33814 EVB are connected correctly, pin 1 to pin 1.

3. Connect the USB/SPI dongle to a PC, LED 2 on the USB/SPI Dongle and the USB ON LED on the MC33814

board should both be illuminated.

4. Attach a +12 VDC supply (do not turn on power yet) to the VBAT input connector on the MC33814 EVB, making

sure to observe the GND and +12 V terminals. The current capability of the +12 V supply should exceed the

maximum total current that the number of simultaneously ON loads will require.

5. Attach loads to the COIL1, COIL2, O2HFB, INJOUT1, INJOUT2, ROUT1, ROUT2, LAMPOUT, TACHOUT, and

ISO9141 output terminals as desired.

6. Launch SPIGen and from the “File” menu, select “Open”, and browse to the location of the “KIT33814SW.spi”

file.

7. Turn on the +12 volt supply and set the KEYSW slide switch to the DOWN position. Verify that all is working

correctly, by observing the VPWR, VPP, VCC, and VPROT LEDs, which should all be illuminated. Click on the

“Extra Pins” button in the SPIGen main screen, then click on the following buttons:

8. Click on the INJIN1 “High” button. The INJECTOR 1 load, INJOUT1, and LED should turn on. Clicking on the

INJIN1 “Low” button should turn off the load and LED.

9. Click on the INJIN2 “High” button. The INJECTOR 2 load, INJOUT2 and LED should turn on. Clicking on the

INJIN2 “Low” button should turn off the load and LED.

10. Click on the RIN1 “High” button. The RELAY 1 load, ROUT1 and LED should turn on. Clicking on the RIN1

“Low” button should turn off the RELAY 1 load, ROUT1 and LED.

11. Click on the RIN2 “High” button. The RELAY 2 load, ROUT2, and LED should turn on. Clicking on the RIN2

“Low” button should turn off the RELAY 2 load, ROUT2 and LED.

12. Click on the IGNIN1 “High” button. The COIL1 load and LED should turn on. Clicking on the IGNIN1 “Low”

button should turn off the COIL1 load and LED.

13. Click on the IGNIN2 “High” button. The COIL2 load and LED should turn on. Clicking on the IGNIN1 “Low”

button should turn off the COIL2 load and LED.

14. Click on the O2HIN “High” button. The O2 Heater, O2HFB load and LED should turn on. Clicking on the O2HIN

“Low” button should turn off the O2HFB load and LED.

15. Click on the Data 3 “High” button. The LAMP load and LED should turn on. Clicking on the DATA 3 “Low” button

should turn off the LAMP load and LED.

16. Click on the Data 4 “High” button. The ISO9141 load should turn on. Clicking on the DATA 3 “Low” button

should turn off the ISO9141 load.

If everything described so far occurs then you are ready to proceed with the remaining examples.

KT33814UG User’s Guide Rev. 2.0 4/2013

Freescale Semiconductor 9

Setup and Using the Hardware

10.1 Example 1: Running the example batch files

1. Click on the “Batch Commands” Tab in the SPIGen main screen.

2. In the box below the “Commands to Send:” column is a pull-down menu box containing several batch file names.

One of these example batch files is labeled “TOGGLE ALL OUTPUTS”.

3. Click on this label to load it. You should see a list of commands in the “Command to Send” box.

4. Click on the “Continuous” button and observe that the loads and LEDs attached to the MC33814 EVB board

are blinking on and then going out in succession.

There are other demo batch examples that can be run and examined for learning how to use the EVB.

KT33814UG User’s Guide Rev. 2.0 4/2013

10 Freescale Semiconductor

Evaluation Board Hardware Description

11 Evaluation Board Hardware Description

This EVB consists of a MC33814 Small Engine Control Integrated Circuit (IC), a USB to SPI Dongle

interface, and power conditioning circuitry. All +5 volt VCC power required by the EVB is obtained from

the MC33813 built-in power regulator. A +12V VBAT supply provides the power to the three internal

voltage regulators.

COIL1

DATA4

DATA3

DATA2

DATA1

CNTL0

VBAT

Reverse Battery

and Transient

Protection VPWR

VPWR

LED

VBAT

LAMPOUT

INJOUT1

ROUT1

IGBT and

Feedback

divider

IGNOUT1 LED

LAMP LED

INJOUT1 LED

ROUT1 LED

OUTPUTS

VPP PASS

TRANSISTOR

VPP

LED

USB/SPI Dongle

Connector

ISO 9141

CONNECTOR

RESETB RESETB

MRX

BATSW LED

VRSOUT

INJOUT1

LAMPOUT

ROUT1

IGNOUT1

IGNFB1

VPP

(+6.5V)

VPWR

ISO9141

VPPSENS

VPPREF

MTX

IGNIN1

IGNIN2

INJIN1

DATA0

USB ON LED

VPWR

MC33814

GND

15 16

12V

VCC

LED

VPROT

LED

VCC

(+5V)

GND

VPROT

(+5V)

VBAT

IGBT and

Feedback

divider

IGNOUT2

IGNFB2

COIL2

ROUT2 23

ROUT2

GND

VCC

VPROT

ROUT2 LED

VBAT

VPWR

MOSFET

O2HOUT LED

O2HOUT

O2HFB

IGNOUT2 LED

O2HOUT

VBAT

TACHOUT TACHOUT

TACH LED

IGNSENSE

O2HSENSE

VBAT

INJOUT2 LED

INJOUT2 39 INJOUT2

EXPOSED PAD

GND

VPWR

KEYSW

OFF

MRX LED

BATSW BATSW

FILTER VRSP

VRSN

MRX

VRSOUT LED

VRS IN

5, 6

3, 4

VRSOUT

SUPPLIES

INPUTS

CNTL2

CNTL1

4RIN1

O2HIN

RIN2

`CSB

SPI CSB

SPI SO SO

SPI SI

SPI SCLK SCLK

INJIN2

N.C.

CNTL3 9

RGND2

RGND1

INJGND1

38 INJGND2

KEYSWITCH

KEYSW LED

ISO9141 LED

Figure 4. MC33814 EVB Block Diagram

Indice

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