ISL45041EVAL1Z User Guide
Contents
1. WARNING iid 151 4504 Digital Poteniometer Control SELECTION Slave Address Programming Mode Set Position Read Position REGISTER EEPROM f Register a WRITTEN DATA m d Wit DATA Rd 01 C zs READ DATA 2 3 SELECTEOR Write Timer Controlled REPETITIVE Read Timer Controlled WRITE OR READ CYCLES 2 5 I2C white I2C Read SETS INTERVAL aa 1 sc 1 TIME BETWEEN ow Jumpers 4 Read lagmare Fails WRITE OR READ Exit STOPS WRITE Analog Signal Processing Product Group OR READ CYCLES WRITE MANUALLY E ALSO WRITTEN EVERY TIME READ THE REGISTER VALUE SET AND READ ipiis THE POSITION IS CHANGED COULD BE SELECTED TO READ REGISTER POSITION BACK EVERY TIME THE REGISTER IS WRITTEN AUTO READ CLICK TO EXIT PROGRAM FIGURE 4 GUI SCREEN TO PROGRAM ISL45041 3 intersil AN1275 0 ESE October 16 2006 Application Note 1275 Connecting the Hardware 3 Connect the power supply cable to the ISL45041EVAL1Z 1 Connect the ISL45041E VAL1Z board to the Intersil USB Bode VOTE CONNECT ME POWE CADE AS DNI controller board as shown in Figure 5 Note Connect the ore Mu E POWE SUPRESO poe rupe Figure 5 ISL45041EVAL1Z board make sure the cables are connected properly RED AVDD GREEN VDD 2 Set the VDD power supply green wire to 3 0V Set the BLACK GND AVDD pow2. AION uoneorddy
3. 43 4 J6 7 410 16 4 1X3 Berg FCI Connector Header 68000 236 1X5 Power 2 2 1X5 Berg FCI Connector Header 69190 202 J5 J9 2 1X2 Berg FCl Connector Header H2512 01002 1 10W1 T R7 8 2 10k 196 1 10 SMD 196 5 0805 Generic Resistor H2512 02003 1 10W1 T R13 1 200k 1 1 10W SMD 1 5 0805 Generic Resistor H2512 02433 1 10W1 T R14 1 243k 196 1 10W SMD 1 5 0805 Generic TFC Resistor H2512 02492 1 10W1 T R19 1 24 9k 1 1 10W SMD 1 5 0805 Generic Resistor ISL450411R U7 1 TDFN 8DFN 3X3A Intersil Three Twisted Wire 1 1 Red Green Black Male Banana Jack 10V 3V GND 3 Red Green Black All Intersil U S products are manufactured assembled and tested utilizing 1509000 quality systems Intersil Corporation s quality certifications can be viewed at www intersil com design quality Intersil products are sold by description only Intersil Corporation reserves the right to make changes in circuit design software and or specifications at any time without notice Accordingly the reader is cautioned to verify that data sheets are current before placing orders Information furnished by Intersil is believed to be accurate and reliable However no responsibility is assumed by Intersil or its subsidiaries for its use nor for any infringements of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise und
4. IO BOARD MADE BY INTERSIL ISLA4504I USBEVALIZ October 16 2006 AN1275 0 click on the Design Model s link Intersil ISL4504x DCP Installer V201 Click on Run If another screen pops up with the message The publisher could not be verified Are you sure you want to run this software Click Run A software setup wizard will appear click next next next install The install will create a directory call Intersil in the C Program Files Windows All Programs directory Then a sub directory called ISL4504x is created in the Intersil directory All files needed including an Uninstall program will be placed there The USB installation is self registering However should a New USB Device Detect screen appear when the USB controller is connected then select Have Disk and browse to the same directory and the application C Program Files Intersil ISL4504x This directory will contain the needed files the USB installer needs Before initializing the software GUI you need to connect the hardware Reference the section titled Connecting the Hardware on page 4 and Warning Status LEDs on page 5 Once the hardware is connected Click Start gt All Programs gt Intersil gt ISL4504x gt ISL4504x Figure 2 to initialize the software GUI The user screen will appear as shown in Figure 3 Note if the USB Contoller is not connected you will see two message boxes The first informs of the inability to
5. ave Address for this part is HEX code 9E or 9F The 12 7 bit Save Address for this part is HEX code 4F Note the LSB sets the condition for writing to EEPROM 0 or Register 1 Reference Figure 8 AN1275 0 October 16 2006 Application Note 1275 Wrt DATA Rd The Hex number displayed on the left is the logic string written to the ISL45041 The Hex number displayed on the right is the logic string read from the ISL45041 Once again the LSB sets the condition for writing to EEPROM 0 or Register 1 This results in the first address being HEX 01 and the last being HEX FF when writing to the Register and 00 and FE when writing to the EEPROM see Table 2 Clicking in the box to the left of the Write Timer Controlled or the Read Timer Controlled will enable the user to select a time interval between Write or Read commands Once you check the box the Stop Timer tab will appear This will enable the automatic Write or Read cycle to stop This feature is handy when evaluating the operation with a scope For single Write or Read cycles click on the I C Write button or the button in the middle of the screen Programming Mode Selects either the EEPROM or the Register to write to or read from Set Position This is how you adjust the 15145041 output Vcom voltage Placing your curser on top of the slide bar click and hold then drag the mouse to adjust the voltage When you ISL45041EVAL 12 Bil
6. d Timer Status Changes color every time a timer controlled Write and or Read is performed Configuring the ISL45041EVAL 1Z Jumpers Jumpers The board is equipped with jumpers to enable the user to adjust the SET current limit and values of output voltage with different values of R1 and R2 reference schematic in Figure 7 Jumpers not used for the ISL45041 are J3 J6 and J16 These jumpers should be left open J4 is used for the Write Protect function test To be able to program the part J4 needs to be in the 1 2 position connecting the WP pin to VDD The WP pin of the ISL45041 has an internal pull down resistor If J4 is open or in the 2 3 position connecting this pin to GND the part is write protected J6 and J7 enable the user to change the external resistor values on the OUT voltage divider To use the on board resistors R13 R14 J6 and J7 need to be in the 2 3 position To customize the output voltage the user can populate R11 and R12 with their desired resistor values and move J6 and J7 to the 1 2 position J8 provides a convenient connection to monitor the VcoM output voltage J10 enables the user to program the output current limit of the part J10 needs to be in the 2 3 position to use the on board resistor R19 To customize the output current limit the user can populate R16 with their desired resistor value and move J10 to the 1 2 position J5 and J9 provide the power to the ISL45041 You are now ready to adjus
7. er any patent or patent rights of Intersil or its subsidiaries For information regarding Intersil Corporation and its products see www intersil com AN1275 0 6 intersi intersil October 16 2006 9002 91 1990120 0 4 NV 3 0 z AVDD 10 0V Cre L I J6 R13 r4 200k am Bas J8 m Vcom OUTPUT R16 R19 o VOLTAGE USER 24 9k B d 147 14 243 VDD 3 0V FIGURE 7 ISL45041EVAL1Z SCHEMATIC AION uoneorddy Diagrams 0 TO WRITE TO EEPROM intersil 7 BIT ADDRESS 4 F 8 BIT ADDRESS 9 E O 1 1 1 1 1 1 1 pew po le ele SCL me During Slave m An SDA transition A f Transmission me rom high to low IC2 Master while SCL is high designates signals a Start condition operation to be aread or write operation NI Writing data 00 to slave 4F 9E During Slave Address Transmission the addressed slave must drive the SDA low during the ACK time If no Ack is receive Master will abort and Retry Hhen Read operation P is don t care 1 Register writing P EEPROM writing program a An SDA transition from low to high while SCL is high signals a Stop condition 2 08 V Writing data FF to slave AF 9E FIGURE 8 ISL45041EVAL1Z TIMING DIAGRAM 9002 91 1990120 04 2
8. er supply red wire to 10 0V 12 CABLE EN 45041 USBE VALI1Z _ REV Ae 2 CABLE FIGURE 5 ISL45041 EVAL1Z TEST SETUP J10 SET RESISTOR J16 SCL SCL C CLOCK INPUT SELECTION 7 SELECTION 120 CONNECTOR SCL SDA GND 0 ISL45041IR OUTPUT VOLTAGE CAN BE aa OBSERVED ONJ8 J5 AND J9 ISL45041 e POWER SUPPLY AVDD AND VDD POWER CONNECTOR SELECTION GND AVDD VDD Deed J6 AND J7 EXTERNAL RESISTOR y J4 WPp POLARITY CONTROL DIVIDER SELECTION ISL45041 E FIGURE 6 JUMPER SETTINGS FOR THE ISL45041EVAL1Z BOARD 4 5 AN1275 0 intersil October 16 2006 Application Note 1275 Warning Status LEDs USB Status Green Communications with the USB Controller board is working DCP Comm Green IC Communications between controller and the DCP is working Clicking the Open USB button tests both of these conditions Note USB communications is opened and closed for each DCP access The controller may be removed and reconnected between operations Do not disconnect controller if the Write Read Tlmer is running Write DCP Green Dark Green Toggles between colors every time a write to the DCP is performed Read DCP Green Dark Green Toggles between colors every time a read from the DCP is performed Both Write and Read LEDs will turn red if an error is detected The DCP COMM will also turn red if an error is detecte
9. get device information from the controller The second message box tells you to click OK then connect the USB controller and re start the application Click Start gt All Programs gt Intersil gt ISL4504x gt ISL4504x LEDs 1 CAUTION These devices are sensitive to electrostatic discharge follow proper IC Handling Procedures 1 888 INTERSIL or 1 888 468 3774 Intersil and design is a registered trademark of Intersil Americas Inc Copyright Intersil Americas Inc 2006 All Rights Reserved All other trademarks mentioned are the property of their respective owners Application Note 1275 15 4504 gl 15145045 uninstall FIGURE 2 INSTALLING ISL4504x EVALUATION SOFTWARE lolx User About penUsB use Status S DCPCOMM witeDCP M Read DCP Timer Status ISL4504x Digital Poteniometer Control Slave Address Programming Mode Set Position Read Position EEPROM Wit DATA Rd 01 HEX 00 write Timer Controlled Read Timer Controlled 1000 mSec Interval i Show Jumpers iii Auto Read Ignore Fails FIGURE 3 GUI SCREEN AT START UP 2 intersil AN1275 0 ESE October 16 2006 Application Note 1275 Intersil s DCP Product Demonstation 4 x User Help About Intersil ES analog signal processing Open USB USB Status USB Self Check Write DCF Head DLP Timer Status O O o M
10. intersil ISL45041EVAL1Z User s Manual Application Note Description The ISL45041EVAL1Z is the evaluation board for the ISL45041 12 LCD Module Calibrator All materials of the kit are RoHS compliant The evaluation kit comes complete with ISL45041EVAL1Z board USB to 12 converter board USB cable to connect the converter board to a PC Power and 12 cables for the ISL45041EVAL board The Software and related documentation for the eval kit are downloadable from Intersil s website at www intersil com The USB to I C converter board USB I2CIO Rev B2 allows the user to adjust and program the ISL45041 voltage using a PC This application note will guide the user through the process of installing the USB to 2 drivers ISL45041 Graphical User Interface GUI and configuring the ISL45041EVAL1Z board for evaluation of the ISL45041 Additional equipment required are two power supplies one volt meter and a PC Windows 98 XP 2000 machine with a standard USB port The board is designed to operate from an AVDD supply 5V to 18V and VDD supply 2 5V to 3 6V installing the ISL4504x Software 1 Log on to www intersil com cda home 2 In the upper right corner of the webpage type in ISL45041 in the white box and click search This will bring you to the product information page Click on the data sheet link Datasheets Related Docs amp Simulations Now 0634013 BN 6 AM KEV Ab FIGURE 1 USB I2C
11. l of Materials release the mouse the new HEX value will appear in the Wrt window The window directly below the slide bar shows the set bar position The true decimal value of the logic code being written is one less than the number shown This results because the ISL45041 has 128 resistive taps for programming The digital logic designates O to 127 for the possible 128 steps The slide bar starts at 1 and ends at 128 Read Position To read the value of the Register or EEPROM click on the I C Read button in the middle of the screen This gives a visual representation of the either the EEPROM or Register value The window directly below the slide bar shows the bars position read from either the Register or EEPROM The true decimal value of the logic code being read is one less than the number shown for the same reason as above Click on the auto read box in the bottom middle of the screen to automatically read any value selected Timing Diagram Figure 8 shows the 2 timing diagram and expected scope photos of SCL and SDA when writing all zeros or all ones TABLE 2 ISL45041EVAL1 BOM PART NUMBER REF DES QTY VALUE TOLERANCE POWER PACKAGE JEDEC MANUF DESCRIPTION H1046 00104 25V20 C13 C19 21 4 0 1uF 20 SMD 10 5 0805 Kemet X Multilayer T353K106K050AS C15 C17 2 10uF 10 Radial 10 TANT 200 Tantulum Cap 5000 TP 4 SIP CONN GEN Keystone Mini Test Point 68000 236 1X3
12. t the output voltage using the ISL45041EVAL1Z GUI 2 intersil Using the GUI to Control the Output Voltage Expected Output Voltage The ISL45041 provides an output sink current which lowers the voltage on the external voltage divider Vc oy output voltage Equation 1 and Equation 2 can be used to calculate the output current IOUT and output voltage VOUT values setting AVDD Oe 20 RSET EQ 1 vour x 5 1 Setting 128 20 RSET EQ 2 NOTE Where setting is an integer between 1 and 128 Table 1 gives the calculated value of VOUT for the eval board using the on board resistors values of RSET 24 9k H1 200k R2 243k and VADD 10V Also provided in Table 1 are the HEX values for several settings when writing to either the Register or EEPROM TABLE 1 HEX VALUE HEX VALUE SETTING WRITING TO WRITING TO VALUE VOUT REGISTER EEPROM 1 5 468 01 00 10 9 313 13 12 20 5 141 27 26 30 4 969 3B 3A 40 4 797 4F 4E 50 4 625 63 62 60 4 453 77 76 70 4 281 8B 8A 80 4 109 OF 9E 90 3 936 B3 B2 100 3 764 C7 C6 110 3 592 DB DA 128 3 282 EF FE Controlling the Output Voltage Using the GUI Figure 4 shows the Graphical User Interface for controlling the 5 45041 12 board Vcom output voltage on jumper J8 The brief definition of the GUI s application screen follows 12 Slave Address The 12 8 bit Sl
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