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Using Hardware
3. 3) INJECTOR OUT
? Screw Terminal 1 - Low side INJOUT
? Screw Terminal 2 - VPWR
4. 4) RELAY OUT
? Screw Terminal 1 - LOW side ROUT
? Screw Terminal 2 - VPWR
6.2.11 MC33812 EVB Setup and Example Demonstrations
To perform the examples included in the CD the following connections and setup must be performed:
1. Make sure the SPIGen 5.0X program is installed on the PC and it can communicate with the USB/SPI Dongle as
described in that kit’s documentation.
2. Connect the USB/SPI Dongle to the MC33812 EVB via a 16 pin ribbon cable. Make sure to orient the cable so
that pin1 on both the USB/SPI Dongle and the MC33812 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 MC33812
board should both be illuminated.
4. Attach a +12 VDC supply (do not turn on power yet) to the VBAT connector on the MC33812 EVB, making sure
to observe the GND and +12V terminals. The current capability of the +12V supply should exceed the maximum
total current that the number of simultaneously ON loads will require.
5. Attach loads to the IGNITION OUT, LAMP OUT, INJECTOR OUT and RELAY OUT and ISO9141 terminals as
appropriate.
6. Launch SPIGen and from the “File” menu, select “Open” and browse to the CD containing the
“MCZ33812_EVB_CONFIGURATION_FILE.spi” file. The title on the SPIGen screen should change from
“Generic SPI Generator” to “MC33812 SPI Generator”.
7. Turn on the +12 Volt Supply. Verify that all is working correctly by observing the VPWR and VCC LEDs which
should be illuminated. Click on the “Extra Pins” button in the SPIGen main screen and then click on the following
buttons:
8. Click on the Data 0 “ High ” button. The INJECTOR load and LED should turn on. Clicking on the DATA 0 “ Low ”
button should turn off the load and LED.
9. Click on the Data 1 “ High ” button. The IGNITION load and LED should turn on. Clicking on the DATA 1 “ Low ”
button should turn off the IGNITION load and LED.
10. Click on the Data 2 “ High ” button. The RELAY load and LED should turn on. Clicking on the DATA 2 “ Low ”
button should turn off the RELAY load and LED.
11. 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.
12. 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.
KIT33812EKEVBE Evaluation Board , Rev. 2.0
Freescale Semiconductor
11
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