MAX1464 Evaluation Kit
Contents
1. No 2 56 x 1 2in Philips HD S S machine screw No 2 aluminum round spacer 1 4in length unthreaded Any R17 2200 5 resistor 1206 igi Key P220ECT ND or equivalent No 256 threaded 5 16in aluminum round standoff Digi Key 1801CK ND or equivalent TB1 TB2 in screw terminal blocks igi Key ED1973 MAX1464KEY PCB Snap on plastic housing 0406 Newark 0406 MAXIM Quick Start Required Equipment e MAX1464 EV kit A fixed 5VDC power supply e Computer running Windows 98 NT 2000 XP with an available parallel port USB to parallel port convert ers not supported e A multimeter e One parallel printer cable Note In the following sections software related items are identified by bolding Text in bold refers to items directly from the EV kit software Text in bold and underlined refers to items from the Windows 985 2000 operating system Procedures Applying Power to the MAX1464 EV Board 1 Verify that all jumpers on the EV kit board are set per the default setting shown in Table 1 2 Connect a fixed 5V power supply to the EV kit board TB2 5V terminal 3 The LEDs on the EV kit board start blinking The MAX1464 EV kit is shipped with a program EVTEST1 hex preloaded in the MAX1464 flash memory This program alternatively flashes the two LEDs on the EV board Setting Up for Digital Communication 1 D2. MAX1464 Main exe The Control program includes functional buttons to have the MAX1464 perform a series of predefined lower level operations such as reading the ADC loading a file into flash memory etc The Control program can be used to perform a 2nd order temperature compensation The main purpose of the Control program is to provide the user with a tool to easily compensate a sensor The compensation algorithm defined in Application Note 3649 1464 Signal Conditioner Sensor Compensation Algorithm has been implemented All the user needs to do is to properly set up the EV kit sensor and the environment condition for the sensor and press the Read ADC and Characterize DAC buttons at each environment condition to fill the Data Array with valid data Then by pressing three more buttons the compen sation coefficients are created and copied into the MAX1464 flash memory creating a compensated sensor Refer to the Control Program User Manual for a detailed description of each function button and how to perform sensor compensation MAX1464 Main vi File Edit Operae Project Windows Helbe ees 88 MAX1464 Control Compensation Program Rev 1 0 102505 14 455 ample files Create Test Condition ly 1464 tsest condition txt Read Raw Data From a File 3 1464 raw data file txt Working Directoy Jj Directory MAX1464 Evaluation Kit Detailed Hardware Description A complete set of hardware is inc
3. The LEDs start blinking This process verifies that the EV kit con nections are correct the EV board jumpers are set correctly and the computer interface is working Example of Using the Control Program Note Exit the Hardware Debugger before starting the Control program This section demonstrates how to start the Control program and make the basic measurement of the input voltage 1 Start the Control program from Start MAX1464 EV kit Control Program 2 A window Figure 2 appears on the monitor 3 The DUT button turns green if the hardware setup is correct and communication with the MAX1464 is established A red button indicates a hardware and or setup problem The next few steps detail reading the signal applied on the MAX1464 input and write to the Data Array which is the input to the compensation algorithm 4 Set the value of This Temp Point and This Press Point to match one of the test conditions displayed in the Data Array 5 Press the Read ADC button to convert the on chip temperature sensor output and channel 1 input volt age and display the results of both conversions in the Data Array 6 To read other input voltages adjust VR1 and VR2 potentiometers and repeat steps 5 and 6 7 Refer to the MAX1464 Control program manual for a full description of Control program capabilities MAX1464 Evaluates MAX1464 Evaluation Kit Detailed Software Descr
4. Sullins PTC36SAAN Digi Key S1012 36 ND U2 AX6220ASA25 8 pin SO U3 VR1 VR2 6220 5 50 8 pin SO 20kQ vertical adjust trimpots Digi Key 490 2323ND Shunts Closed JU1 pins 1 2 JU2 JU4 JU8 JU9 JU11 JU 14 JU10 pins 1 2 Open JU3 STCO2SYAN Digi Key S9000 ND Interface Board KEY Component List REFERENCE QTY MAX1464EVKIT PCB DESCRIPTION 2 pin headers 36 pin headers 0 01 centers comes in 36 pin strips cut to fit Closed JU2 JU4 JU8 JU9 JU11 JU14 Open JU3 Sullins PTC36SAAN Digi Key S1012 36 ND 0 1pF 10 50V ceramic capacitors 1206 Murata GRM319R71H104K or equivalent Open 4 10 10V ceramic capacitors Leave open EDs igi Key P300 ND x 8 male shrouded vertical ribbon able connector Digi Key MHB16K ND or equivalent DB25 pin male connector solder cup Mount at edge of PCB Digi Key ET25P or equivalent P2 2 x 20 right angle receptacle not installed SAMTEC SSW 120 02 S D RA ethode Electronics RS2R 40 G RB1 RB4 Rubberband standoffs 22Q 5 resistor 1206 Digi Key P22ECT ND or equivalent 2x8 male shrouded vertical ribbon cable connector Mount at edge of PCB Digi Key MHB16K ND or equivalent MAX1841EUB MAX1841EUB R13 R16 5 resistors 1206 Digi Key P3 0KECT ND or equivalent 100 1 resistors 1206 Digi Key PIORCT ND or equivalent
5. VDUT MAXIM MAX1841 LOCAL LOOPBACK P1 6 TO P1 11 VERIFIES MAX1464KEY PRESENT REMOTE LOOPBACK P1 4 TO P1 15 VERIFIES DUT PRESENT AND DUT POWER APPLIED AVLAZCLA MAX1464 Evaluation Kit Tige SVIAALSVI ma 1 408 737 7600 WWW MAXIM IC COM MAX1463 KEY Figure 9 MAX1464 Interface Board KEY Layout Component Side 13 MAX1464 Evaluates MAX1464 Evaluation Kit Figure 10 MAX1464 Interface Board KEY Layout Solder Side Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product No circuit patent licenses are implied Maxim reserves the right to change the circuitry and specifications without notice at any time 14 Maxim Integrated Products 120 San Gabriel Drive Sunnyvale CA 94086 408 737 7600 2006 Maxim Integrated Products MAXIM is a registered trademark of Maxim Integrated Products Inc
6. 19 0582 Rev 0 12 06 General Description The MAX1464 evaluation kit EV kit is designed to evaluate the MAX1464 high performance low power low noise multichannel sensor signal processor The EV kit includes an evaluation PCB the EV board that contains a MAX1464 signal conditioner with a typical application circuit and potentiometers that act as sensor inputs to the MAX1464 an interface PCB KEY which acts as a voltage level translator between the EV kit and the com puter a parallel port extension cable plus supporting software program examples and related documenta tion and application notes The DB25 pin connector allows a PC s parallel port to provide the interface Two Windows based software hardware debugger and control program provide a friendly graphics user interface GUI to utilize the fea tures of the MAX1464 as well as to perform sensor compensation of one device The Hardware Debugger program includes multiple tabs for accessing relevant registers and ports writing programs to the on chip flash memory downloading flash memory contents into a file etc Use the Hardware Debugger program to learn the MAX1464 functions and see the significance of individ ual registers and ports The Control program includes functional buttons to have the chip perform a series of predefined lower level operations such as pushing sin gle buttons to read the ADC The Control program can be used to perform 2nd order sensor comp
7. 8 AVLAZCLA MAX1464 Evaluation Kit 3903 Qq3V08 01 40 00000000000000000 00 2 CND 39 OUTISM AMPIP e 007116 4 05 OL 1 MADE IN THE USA SVIAALSVI 1 408 737 7600 WWW MAXIM IC COM MAX1464 EVALUATION KIT m 15 im mj R14 R15 RIG 19 JU8 C3 Ef 2 JU2 JU10 VR2 22 QUU mello mun Figure 4 MAX1464 EV Kit Component Placement Guide Component Side MAKLM gt CND OUT25M AMP2M 2 gt 007216 VREF NP e 1 NP INN JU9 02 ria LED2 A ep LE GPIO1 GND MAX1464 Evaluates MAX1464 Evaluation Kit Figure 5 MAX1464 EV Kit PCB Layout Component Side AVLAZCLA Figure 6 MAX1464 EV Kit PCB Layout Solder Side MAKLM MAX1464 Evaluation Kit O Co Co Co Co Co Co Co Co Co Co 8 8 8 MAX1464 Evaluates MAX1464 Evaluation Kit r DCLK2 T Figure 7 MAX1464 Interface Board KEY Schematic 12 Ul MAXIM MAX1841
8. amming examples Various related application notes Component List EV Kit Component List DESCRIPTION 20 10V tantalum capacitor 1210 TDK C3225X7R1C106M Taiyo Yuden LMK325BJ106MN REFERENCE QTY 2 2uF 1096 10V X7R ceramic capacitors 0805 C2 C5 C8 Murata GRM21BR71A225K or equivalent 10 10V X7R ceramic capacitors 0805 Murata GRM21BR71A105K or equivalent O 1yF 10 10V X7R ceramic capacitors 0805 Murata GRM21BR71E104K or equivalent C4 C7 C10 C13 Maxim Integrated Products 1 For pricing delivery and ordering information please contact Maxim Dallas Direct at 1 888 629 4642 or visit Maxim s website at www maxim ic com MAX1464 Evaluates MAX1464 Evaluation Kit EV Board Component List continued REFERENCE C6 DESCRIPTION 0 001uF 10 10V ceramic capacitor 0805 Murata GRM216R71H102K Component List continued REFERENCE DESCRIPTION U1 1464 28 pin SSOP U1 Factory option 28 pin SO socket ENPLAS OTS 28 34 0 65 1 FB1 FB2 JU1 JU10 OQ resistors 0805 Digi Key RL12T0 010JCT ND or equivalent 14 pin headers 36 pin headers 0 01 centers comes in 36 pin strips cut to fit Sullins PTC36SAAN Digi Key S1012 36 ND 3 pin headers 36 pin headers 0 01 centers comes in 36 pin strips cut to fit Closed JU1 pins 1 2 JU10 pins 1 2
9. ensation and calibration The EV board can be powered by either a fixed 5V supply or by an 8V to 40V supply that is regulated to 5V by a regulator present on the EV kit board before it is applied to the MAX1464 chip Jumper JU1 must be set consistently with the used power supply Order the MAX1464 EV kit for comprehensive evaluation of the MAX1464 using a PC with an available parallel port Windows is a registered trademark of Microsoft Corp Component Suppliers SUPPLIER Digi Key ethode Electronics WEBSITE 800 344 4539 www digikey com 708 867 6777 www methode com 800 831 9172 www murata com cap 610 361 4200 www pactecenclosures com 408 437 9585 www component tdk com Note Indicate that you are using the MAX1464 when contact ing these component suppliers AVLAZCLAM MA AALS MAX1464 Evaluation Kit Features Proven PCB Layout Windows 98 NT 2000 XP Compatible On Board Potentiometers Act as Sensor Inputs Spare Area for Simple Circuit Breadboarding LEDs for Visual Verification 5V or 8V to 40V Possible Supply Included Interconnect Cables Included Additional Samples Ordering Information PART TEMP RANGE IC PACKAGE MAX1464EVKIT 0 C to 70 C 28 SSOP MAX1464KEY MAX1464 EV Kit Files FILE OPERATION Internal controls for learning the MAX1464 Sensor compensation Hardware debugger Control program Simple functions and progr
10. iption Two independent programs have been provided for the MAX1464 to aid the user in evaluating and designing in the MAX1464 signal conditioner into a product Hardware Debugger The hardware debugger program includes multiple tabs for accessing the relevant registers and ports writing programs to the on chip flash memory down loading flash memory contents into a file etc Use the hardware debugger program to learn the MAX1464 functions registers and ports CPU Registers rO rf pO pf In this window users can read write the CPU module registers program counter rO r1 Users can also read write the CPU ports pO through pf when the CPU is halted MAX1464 Debugger version mku 051229a EVTEST1 hex File Interface Options Help Run CPU Halt CPU Check CPU status Halted Read instruction Done Read 0 0000 F7 Single Step F3 Step until breakpoint ADC Module In this window users can access the ADC control ADC configuration and ADC data registers for all three chan nels channel 1 channel 2 and temperature sensor DOP Module In this window users can access the DOP control DOP configuration and DOP data registers for both output channels and the op amp configuration register Other Modules In this window users can access registers related to the timer power control oscillator and GPIOs Flash Memory This window can be used for all flash memory opera tions such as writing flash memory to f
11. luded in the MAX1464 EV kit package A MAX1464 EV board a MAX1464 KEY a 16 pin ribbon cable a parallel port extension cable and a few MAX1464 samples are included in the MAX1464 EV kit package The MAX1464 EV kit board is designed to give the user the most flexibility and con trol over the MAX1464 The user can use a fixed 5V or an 8V to 40V power supply to power up the EV kit board All critical pins are easily accessible Two potentiometers are provided to emulate a sensor output and allow positive and negative input signals to the MAX1464 eliminating the need for an actual sensor while checking the functionality of the MAX1464 A small area with plated through holes is intended to facilitate building a small application circuit And wherever pos sible jumpers have been added to offer flexibility for configuring the EV kit board for user applications Clear Data Read Test Condition My 1454 tsest condition tet Channel 1 PGA Update IM DUT Configuration Read ADC 72500 This Temp Point Characterize DAC 35000 This Press Point MK Create Comp Coefficients Personalize Flash File 2 gt My 1464 raw data file txt 1 Read DMM 00000 DMM 1 gt 11464 prog template file hex Hood DMM bon d 1464 comp coef file txt junk 1464 personalizedfile hex Junk 1464 personalized file hex Lo ELK From Device f amp Resolution 8 User information 128 char nte
12. nected to VR1 variable resistor Open INM1 Floating Short INM1 configuration Measures current on VDD Short INM1 Connected to VR2 variable resistor Open Insert a current meter to measure current Close circuit Open Insert a current meter to measure current Measures current on VDDF Short Note Default settings appear in bold Close circuit AVLAZCLA MAX1464 Evaluation Kit Vss INP1 gt JU14 ANN Al i i DDF Te 22uF Ut MAXIM Vss 1464 VSSF INM2 CS C6 0 001 uF VREF O JU9 1 02 7 Figure MAX1464 EV Kit Schematic Sheet 1 of 2 MAXIM 7 MAX1464 Evaluates MAX1464 Evaluation Kit 0 40V 5VDUT TERMINAL BLOCK L C 10 2 TB1 1 gt IN L C MAXIM JU 2050 20 TB1 2 gt MAX6220ASA25 DCIN 8 JUN C 2 2uF ES VR1 RM L RESVAR 3 JUI2 VR2 LD RESVAR 16 N U3 T MAXIM MAX6220ASA50 NR OUT OUTISM AMP1M AMP1P OUTILG NC1 5V DUT NC2 CKSEL CKIO CS DO DI CLK TRIM TERMINAL BLOCK 1 o do mA KR wR lt gt gt Figure 3 1464 EV Kit Schematic Sheet 2 072
13. ownload the latest MAX1464 software from the Maxim website 2 Start the INSTALL EXE program and follow the instructions to install all MAX1464 applications pro grams and to copy supporting files to your computer 3 Set up the MAX1464 EV kit by connecting the EV board and the KEY using the 16 pin ribbon cable Connect the KEY to the PC s parallel port using a 25 pin straight through female to male cable Example of Using the Hardware Debugger 1 Start the Hardware Debugger program from Start MAX1464 EV kit Hardware Debugger 2 A window Figure 1 appears on the monitor 3 Read the text in the window next to the Check CPU status on the top row and verify that it reads Running or Halted Any other reading indicates a hardware and or setup problem Fix the problem before continuing to the next step The next few steps detail loading a new LED double blinking pro gram to the MAX1464 flash memory and running it MAKLM MAX1464 Evaluation Kit 4 Press the Flash Memory tab in the Hardware Debugger window 5 Press Load Buffer from file tab 6 Select MAX1464 examples cctmr1 64 hex file to read the hex file and save it in the temporary buffer 7 Press Write to device tab to write the cctmr1 64 hex program to the flash memory 8 Press Verify device against buffer to verify that the flash memory write operation is successful 9 Execute the LED double blinking program by pressing on the Run CPU button
14. r user information here X s CREER Flash Sr ly 1464 personalized file hex 1464 personalized hex Write UserFlash User Flash 950 eso Save Prog Flash to File Y 1464 personalized file ei Pmed M DACinM Data pu 1500 050 jos CN Time of Meas Read User Flash 8017 _ 1843 004700 3 986670 7327 1 005300 004000 3 985500 7 m un 3 998500 D5oct25 03 47PM Figure 2 Control Software Window MAKLM MAX1464 Evaluates MAX1464 Evaluation Kit Table 1 EV Board Jumpers Configuration NO OF PINS FUNCTION Jumpers Setting DESCRIPTION External TB2 5V DC Power supply selection default Unregulated external 8V DC to 40V DC Not used External VREF selection Internally generated 2 5V VREF U2 Clock selection Internal oscillator External 4MHz oscillator on CKIO 3 wire communication interface Communication interface 4 wire communication interface ED1 Driven by GPIO1 ED1 configuration ED1 Disconnected ED2 configuration 202 Driven by GPIO2 LED2 Disconnected Bridge voltage connected to 5V DUT Pin 1 is at the bottom Bridge voltage drive selection Bridge voltage Connected to regulated 2 5V INP1 configuration Short INP1 Floating INP1 Con
15. rom a file Program Listing In this window users can view the list file of an assem bly program Select the filename from the File pulldown menu Reset interface Reset Modules Reset CPU CPU Registers 0 po pf ADC Module DOP Module Other Modules Flash Memory Program Listing Execution history Interface Diagnostics When the CPU is running the debugger can read port registers p pf program counter and scracth r1 With CPU halted the debugger can write p pf and indirectly read write the module control registers The other registers are tracked by the emulator during single step Write r0 Read 18 pm write r8 Read pO 0 4140 Write r8 Read p1 10 5063 Write r2 Readra p Write ra Read p2 JOsE80E Write p2 Read 10 0 0000 Readrl 0x8000 Wiriterl Read r3 Read i2 Read 3 Write r3 Read r Write rd Read ic Read r5 White r5 Read r6 Read re Write r6 Read r Write r Per e Write rf Read All Registers and CPU Ports Figure 1 Hardware Debugger Window Write Read p3 0 0102 Write rc Read p 0 026 Writerd Read pS 0 6632 Write re Read pE 0 1528 Read p 0 049 Write pO Write p8 Write pl Read p3 Write p9 Write pa Write p3 Read pb Write pb Write p4 Write pc Write pS Read pd Write pd Write p Write pe 0 0000 Write pf Read pe Write p MAKILA Control Program
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