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QSG

8428

R

 

Rev.

 

A

 

HOLT

 

INTEGRATED

 

CIRCUITS

 

Oct

 

2014

 

1

 

 

23351 Madero,  

Mission Viejo, CA 

 92691. USA.  

Tel:      + 1 949 859 8800 
Fax:     + 1 949 859 9643 

Email:  [email protected] 

Web:    www.holtic.com

 

HI‐8428‐R Eight Sensor Array with  

Ground/Open or Supply/Open 

and SPI interface.  

Evaluation Board 

 

Quick Start Guide 

October, 2014

 

 

 

 

 

 

Summary of Contents for HI-8428-R

Page 1: ...1 23351 Madero Mission Viejo CA 92691 USA Tel 1 949 859 8800 Fax 1 949 859 9643 Email sales holtic com Web www holtic com HI 8428 R Eight Sensor Array with Ground Open or Supply Open and SPI interfac...

Page 2: ...e HI 8428 R The Holt CD included with the evaluation kit contains example source code providing an easy path for the customer to develop their own control software A Serial UART output from the MCU pr...

Page 3: ...Mini USB Serial Cable Demonstration Set up MC9S12XD 16 Bit MCU U1 HI 8428 R USB SENSOR LEDs 10 DIP SW 4 4MHz RESET BUTTON 8 Sensor Inputs From Sensors DIP SW 8 VDD SUPPLY VLOGIC SUPPLY SENSOR TRIGGER...

Page 4: ...easure HI 8428 R VDD supply current J13 ON VLOGIC Link for supply current to U2 disconnect to measure HI 8428 R VLOGIC supply current J12 ON VDD Link for supply current to U2 disconnect to measure HI...

Page 5: ...e in combination with J3 SW2 1 8 All ON Sensor inputs for U2 Sensors 1 8 use in combination with J6 SW3 PE2 ON OFF Boots up in GND Open mode LEDs monitor sensors SW3 PE3 ON OFF Boots up in Supply Open...

Page 6: ...mware J10 External SPI SPI interface for U1 U2 Insert jumper J11 when using this J11 Debug Header Used for downloading MCU firmware LED Functions REF NAME DESCRIPTION LED 1 8 SENSE 1 8 LED lights when...

Page 7: ...he most significant digit and SENSE 4 1 being the least significant digit Boot Up Options 1 Normally control of the HI 8428 R devices is through the on board MCU and interfacing with a terminal emulat...

Page 8: ...be displayed from the Tera Term window by clicking Help then clicking About Tera Term o Accept the default install destination and click Next o At the Select Components screen unselect all options ex...

Page 9: ...stances this software locks up use the RESET key to recover 7 Press key t to perform an LED test The Sensor1 8 LEDs and screen should go through a binary count To set a test data configuration press k...

Page 10: ...tests a large portion of the device but not the comparator and threshold setting circuits Press key r to read data only the test data should now be read as shown below 10 To configure all U1 sensors...

Page 11: ...ll SW1 DIP switches are in the OFF position Connect a variable voltage source initially set to 0V to J4 pin 1 this tests Sensor 1 of U1 Use the short cut G key to program all U1 sensors to GND Open pr...

Page 12: ...pin of U2 The software has commands that program and read both devices using this feature 2 Press key d write 1 AA 1 55 press key e the screen below should be seen The configuration register of both d...

Page 13: ...U1 J7 U2 1 Sensor 1 Sensor 1 2 Sensor 2 Sensor 2 3 Sensor 3 Sensor 3 4 Sensor 4 Sensor 4 5 Sensor 5 Sensor 5 6 Sensor 6 Sensor 6 7 Sensor 7 Sensor 7 8 Sensor 8 Sensor 8 9 GND GND Connection pins for e...

Page 14: ...umper open and use the RESET button to reset the MCU during testing Power should be connected between the VDD terminal and ground The SPI controller should then be connected to J10 using the following...

Page 15: ...8 CBUS1 17 VCC 15 CBUS2 10 RESET 14 GND 16 3V3OUT 13 USBDM 12 USBDP 11 C20 0 1uF 5V USBDP USBDM FB1 FERRITE BEAD 1 2 C22 10nF C25 47pF C26 47pF TXD0 RXD0 J2 U1_VDD 1 2 VDD R E D C12 1uF SCK J12 U2_VDD...

Page 16: ...er 470pF 50V 5 X7R 0805 C16 399 1133 1 ND Kemet C0805C471J5GACTU 2 Capacitor Cer 0 01uF 20 50V 7XR 0805 C17 C22 399 1160 1 ND Kemet C0805C103M5RACTU 2 Capacitor Cer 47pF 50V 5 NP0 0805 C25 C26 399 111...

Page 17: ...3K 1 8W 5 0805 SMD R33 P3 3KACT ND Panasonic ERJ 6GEYJ332V 1 Resistor 220K 5 1 8W 0805 R34 P220KACT ND Panasonic ERJ 6GEYJ224V 2 Res 27 1 8W 5 0805 SMD R35 R36 P27ACT ND Panasonic ERJ 6GEYJ270V 2 Swi...

Page 18: ...8428 R Rev A HOLT INTEGRATED CIRCUITS Oct 2014 18 REVISION HISTORY Revision Date Description of Change QSG 8428 R Rev New 9 12 14 New QSG 8428 R Rev A 10 1 14 New board SW1 SW2 location moved on schem...

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