L9958 evaluation board and graphical user interface (GUI)
Contents
1. Range 0 100 96 Step 1 Default o0 96 Figure 15 PWM duty Fw Duty at o Ol 40 60 e PWM frequency control Range 20 30000 Hz Step 1 Default 10000Hz Figure 16 PWM frequency control PM Duty o Ol 40 60 c Bridge Enable 1 5 o Bridge Enable O D Bridge Enable 1 5 o Bridge Enable O To adjust PWM control bars will change the duty cycle and frequency of L9958 s PWM input signal But if the motor was freewheeling the action clicking the control roll didn t change the current status PWM duty cycle unchanged Doc ID 16058 Rev 2 17 26 General description UMO759 Reverse key The key only works at CLICKED Rising edge that is to say the un clicked action fall edge didn t change the direction status When the Reverse Key was clicked the DIR input signal of L9958 becomes LOW From the GUI side when Reverse Key was clicked the BREAK or Forward Key was reset and the motor display field was shown as below Figure 17 Reverse direction of motor control EM Indicator DI Indicator DIR Indicator L L Forward key The key only works at CLICKED Rising edge that is to say the un clicked action fall edge didn t change the direction status When the Forward Key was clicked the DIR input signal of L9958 becomes HIGH From the GUI side when Forward Key was clicked the BREAK or Reverse Key was reset and the motor display field2. uus ouk EERS i GE REID EE estes 25 2 26 Doc ID 16058 Rev 2 ky UMO759 List of tables List of tables Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 JUMPER azien OTIO TO a EE a TOLL TETTE 9 ES Bel EER ORE EE a Be ail cece EE EE Bone EE ch ds Bee OE 11 BIIO MAO 15 80h be ER OE EE OE HE EN ROER ED EE ETE EAST 12 SI10E276 COMIQUIALION si e omui ud cmm a om m igo ik Enim EA REOR e dI per Sk de 12 SPLcontiguration Protocol is ss 9d Hop ripe ed ode ea 13 EN DIDIA SWICA Map ass deam osse die oo ire A le ar das er cac dae dies 17 SPLdladhostio Protocol iis ses ORE he rpm ES Ep AX Wm Eds OR be rg ed uide 21 Partly diagnostic testing result 23 ST10F276 pin out for L9958 board 24 Document revision history LL 25 Doc ID 16058 Rev 2 3 26 List of figures List of figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Figure 23 Figure 24 Figure 25 4 26 UMO759 System connection B SEE didrai dard dicatae ptor A dae Ind Er Roos wuchs Bd Sod qu d E Spee eee m ds dos 5 L9958 evaluation board top view LL 6 L9958 evaluation board back view LL 7 L9958 evaluation board application circuit SEE SS ES SE SE SE ee ee se 7 L9958 evaluation board powe
3. q _E lt A lt A AAA 10000 e DD 30000 PWM Duty 50 35 b 2 0 Ol 40 60 al e Motor Control Forward Control Figure 24 The wave form of motor forward control p 4000 2000 gt Source Measure DI Freg Freq e Motor Control Reverse Control Figure 25 The wave form of motor reverse control 10 0V p 40002 200 0 Doc ID 16058 Rev2 UMO759 ATI UMO759 General description Table 8 Partly diagnostic testing result Operation i oa Diagnostic information register bit Open Load In Open Load in OFF Condition Open Load in ON state Enable Open Load In ON Condition OL_ON amp turn on the OUT1 2 ys NOST Vbat 3 6V BIT 2 vs Under Voltage pass Voltage Current qur Limitation Short circuit BIT 4 i Current Limitation Reached Heached T Short To GND in Connect OUT1 to GND sin j Short To GND in OFF Condition d Open Load in ON Condition OFF Condition Connect OUT2 toGND OUT2 to GND Short To Battery Connect OUT1 to Vbat maea OUT1 to Vbat in OFF BIT15 Condition Connect OUT2 to Vbat e Short To Battery in OFF Condition lt Doc ID 16058 Rev 2 23 26 UMO759 Appendix A A 1 ST10 configuration CPU Frequency 64 MHz 1 ASC For ST10F276 ASCO can be initialized Baud Rate 38400 8 bit data asynchronous 1 stop bit 2 SSC Frequency 1 MHz 16 bit Data Width LSB first Low level at idle transmit at rising edge CS line
4. 16058 Rev 2 ky UMO759 3 3 6 lt General description SPI diagnosis indication This field will indicate the diagnosis status SPI diagnosis word will displayed at SPI Diagnosis Indication field The diagnostic protocol was referred below Table 7 SPI diagnostic protocol Status after Description reset RISE BG Beer enn TP 3 oon openieadin oN conan J 0 _ VS UY Wege ES vwo M eewiwe To tim Jourentimiatonveaches TO WAR ememwewamm TO s 39 Owrememueswdom o 8 9618 overcumemonion ei o s ocus Overaurentontowside o _ 10 oe Mer overcarenon inside 1 o at oe Mee overeumenton mense o 3 N tas T_T 8 NM Numd 4 seno oF Sron to GND OFF INN CT 74s SELOFF Storto batery in OFF condon O Figure 22 SPI diagnostic information Diagnostic Information i Ys Under Voltage i d Temperature warning i d Over Temperature Shut Down vdd Over Voltage Bridge Enable Current Limitation Reached Open Load in OFF Condition Short Ta GND in OFF Condition Open Load in ON Condition Short To Battery in OFF Condition Low Side 1 Over Current Low Side 2 Over Current High Side 1 Over Current High Side 2 Over Current For more diagnostic information Please refer to L9958 datasheet in detail Doc ID 16058 Rev 2 21 26 General description 3 4 22 26 Test results PWM control signal settings Figure 23 PWM settings for motor control Pw Frequency 10000 Hz
5. 2 3 A 2 Pin out Pin connection between ST10F27x evaluation board and L9958 demonstration board Table 9 ST10F276 pin out for L9958 board D P20 Pin47 GPlO EN DI DR P22 Pin4e GPIO Direction control signals Pin 76 MTSRO UART Pin 15 RxD1 F276 SHis the board made by ShangHai BPT amp S Lab APG China ST10F27X EVA v1 0 x 24 26 Doc ID 16058 Rev 2 UMO759 Revision history 4 Revision history Table 10 Document revision history BENE Be 28 Jul 2009 Initial release 19 Sep 2013 Updated disclaimer lt Doc ID 16058 Rev 2 25 26 UMO759 Please Read Carefully Information in this document is provided solely in connection with ST products STMicroelectronics NV and its subsidiaries ST reserve the right to make changes corrections modifications or improvements to this document and the products and services described herein at any time without notice All ST products are sold pursuant to ST s terms and conditions of sale Purchasers are solely responsible for the choice selection and use of the ST products and services described herein and ST assumes no liability whatsoever relating to the choice selection or use of the ST products and services described herein No license express or implied by estoppel or otherwise to any intellectual property rights is granted under this document If any part of this document refers to any third party products or services it shall not be deemed a lice
6. 26 General description UMO759 3 3 1 3 1 1 6 26 General description Hardware description The L9958 evaluation board consists of a transil diode provide ISO pulse protection by clamping action L9958 H bridge IC for DC motor control IO connector for MCU connection compatible with ST10 MCU Schematics of the evaluation board can also be referred to for more details on the jumper configurations Main feature of the L9958 evaluation board Figure 3 L9958 evaluation board top view IO header J2 da J4 L9958 Ground Pin Jumper Test Points DC motor connector lt Doc ID 16058 Rev 2 UMO759 General description Figure 4 L9958 evaluation board back view Figure 5 L9958 evaluation board application circuit 2 3 3 5 6 7 18 9 0 uela ap Ee m lt Doc ID 16058 Rev 2 7 26 General description UMO759 3 1 2 Battery power supply There is one battery supply connectors on the board with a trasil diode for ISO pulse voltage protection 39 V C1 C2 is designed for power supply filter purpose and C3 is the charge pump capacitor See below the schematic of this part Figure 6 L9958 evaluation board power supply Vt DA connector ed oe GND 100uF luF conector PGND GNDpin GND VBattery 3 1 3 L9958 H bridge DC motor driver There is L9958 H bridge DC motor driver on the board can achieve PWM control SPI diagnostic DC motor drive functions C4 C5 C6 is
7. configuration Com port comport slo can be changed by user according the used COM port number of PC After modified the com port number user must click the reset key to reset and configure the ST10 evaluation board Port number COM Number 1 Baud rate 38400 default Figure 21 COM number map on PC E Device Manager File Action View Help ZA ME N 4 Computer 2 _F Ports COM amp LPT E Communications Pork COMI 4 ECP Printer Port LPT1 E Prolific USE to Serial Bridge iCOM3 Example For COM1 0 port number should be selected comport slo For COM3 2 port number should be selected comport e If the port configuration failed when select 7 s comport io Bl error happened Notes when this error appeared please do below actions e Configure the Port number correctly e Clicked the Reset ST10 button to reset the L9958 GUI and ST10 configuration Rx error The Rx error turned red comport 0 Bl ERROR indicate below receive error e Receive timeout e Receive error e Received frame incorrect Exit button The Exit button amp rsd was only used to stop and exit the L9958 GUI Continue diagnosis switch If the Continue Diagnosis was clicked 55 oon the L9958 GUI enters automatic diagnosis mode the current SPI menu configuration will be sent to L9958 continuously to do the continuous diagnosis When continuous diagnosis was selected SPI send also works Doc ID
8. vi UMO759 YZ User manual L9958 evaluation board and graphical user interface GUI 1 Overview This document was intended to explain how to work with L9958 GUI and ST10F276 evaluation board September 2013 Doc ID 16058 Rev 2 1 26 www st com Contents UMO759 Contents 1 OVCIVIOW 2252 66 S224 EE EE oa 1 2 System description su soes EDE ERE HR Ee EE EEG REGE a 5 2 1 INIFOGUGIHON EE vou Se das ON ele e EN d ua 5 2 2 Main components o 5 3 General description ees 6 3 1 Hardware description 1 EE SE SS eee eee 6 3 1 1 Main feature of the L9958 evaluation board o oooooooo 6 3 1 2 Battery power supply i 8 3 1 3 L9958 H bridge DC motor driver 8 3 1 4 DC motor connector 9 3 1 5 JUMBO RE OE EE EN 9 3 1 6 Test POINTS LL 11 Su KOJ ea OR EN EO IE AN 11 3 1 8 BOM of L9958 evaluation board 12 3 2 ST10F276 evaluation board configuration o o o ooooooo 12 3 3 Evaluation GUI description 13 3 3 1 RUN and STOP L9958 GUI 13 3 3 2 Contigure E9958 GU 4 aded mx do to pe bade sati 13 3 3 9 A AAR EES EEN DE EN EE EG 20 3 3 4 EXT DUNN eo ta id ira a e ase ee 20 3 3 5 Continue diagnosis switch 20 3 3 6 SPI diagnosis indication llle 21 3 4 SA usu 4 ix zc adorada sobr drenados prieta 54 22 APDENODCA essa asas a daa casa a ata 24 A 1 S110 configubatlOFD ax ada aer a a 24 A 2 sie di EE EE OE ERI 24 4 REVISION DISIOF V
9. ble ISR_DIS oL ON Diagnostic Information EN Indicator DI Indicator DIR Indicator d Ses B Ys Under Voltage a Temperature Warning e Over Temperature Shut Down i E Sie D Vdd Over Voltage gt Bridge Enable B Current Limitation Reached PWM Frequency 10000 Hz 20 10000 20000 30000 Open Load in OFF Condition short To GND in OFF Condition PWM Duty 50 B Open Load in ON Condition e Short To Battery in OFF Condition 0 20 40 60 80 100 Forward Reward a Low Side 1 Over Current Low Side 2 Over Current sex gt High Side 1 Over Current o High Side 2 Over Current Continue Diagnose comport So ll ok C OFFION SPI Control Data Display e LC jr RES DR CL 1 X 2 BES BES BES BES VSR TSR ISR Dis OL OM BES RES RUN and STOP L9958 GUI The L9958 GUI was automatically running when opened At this time the default value was shown as Figure 11 User can stop and exit the GUI via click Exit key or press ESC key on keypad Configure L9958 GUI SPI menu select field This field was used to select SPI command The SPI command was sent to L9958 by ST10 via SPI The SPI configuration protocol was shown as below more details please refer to 9958 Table 5 SPI configuration protocol Config value Description after reset Doc ID 16058 Rev2 13 26 General description UM0759 14 26 Table 5 SPI configuration protocol continued oe e
10. designed as decoupling capacitor for VDDIO and VDD Figure 7 L9958 H bridge DC motor driver overview ul aasg ATI 8 26 Doc ID 16058 Rev 2 UMO759 3 1 4 3 1 5 lt General description DC motor connector There are two connectors on the board can be directly connect to DC motor C7 C8 is designed for ESD purpose for DC motor drive See below the schematic of this part Figure 8 L9958 evaluation board DC motor connector DCI OUT11 connector connector C8 C7 10nF 10nF GND DC motor connector 1 2 Jumpers There are 5 jumpers on the board for VDDIO connection Power ground Digital ground configuration as well as DIR DI EN connection for L9958 input digital signal Table 1 Jumpers Description Connect L9958 VDDIO to D32 ST10 5V DIR is connected to 5V DIR is connected to GND Doc ID 16058 Rev 2 9 26 General description UMO759 Table 1 Jumpers continued EN is connected to 5V 1 J4 gt EN is connected to GND 1 EN is controlled by D16 O 1 GND is connected to PGND GNDpin GND and PGND not connected O 1 Figure 9 L9958 evaluation board jumpers ATI 10 26 Doc ID 16058 Rev 2 UMO759 General description 3 1 6 Test points There are 9 test points on the board Table 2 Test points Ce dI pesa e oR resse bn dreon Figure 10 L9958 evaluation board test point t1 3 4 5 6 7 8 9 3 1 7 I O header The 34x4 VO header allows access to control
11. e eon Dmm after reset 4 RS ew o 8 RS Rem m OE RS Rem COs RS ew TO s vs Votage sewrateconrorvaue O Os SR forensen te conv ve 39 ADS ren ion ao conv de o _ m OON opentessmonsate ene ow mes eet 39 Rs asse TT ow 9 foste ewe o9 E T_T Diagnostic reset bit Description Diagnostic Reset bit more details please refers to L9958 datasheet Value Diagnostic Reset Disable Clicked 1 Diagnostic Reset Enable Un Clicked 0 Default Diagnostic Reset Enable Un Clicked 0 SPI command Bit b1 Open load in ON state enable Description Open load in ON state Enable bit more details please refer to L9958 datasheet Value Open load in ON state Enable Clicked 1 Open load in on state Disable Un Clicked 0 Default gt Open load in ON state Disable gt Un Clicked gt 0 SPI DIN Bit b11 Current slew rate control disable Description Current Slew Rate Control Disable bit more details please refers to L9958 datasheet Value Current Slew Rate Control Disable gt Clicked 1 Current Slew Rate Control Enable gt Un Clicked gt 0 Default Current Slew Rate Control Enable gt Un Clicked gt 0 SPI DIN Bit b10 x Doc ID 16058 Rev 2 UMO759 Note General description ISR Description Current Slew Rate Control Value bit more details please refers to L9958 datasheet Value 0 15 0 45 A us gt ISR 1 1 5 4 5 A us ISR 0 Defa
12. nd will be displayed at SPI Control Data Display area and automatically sent to L9958 Figure 13 SPI control data display SPI Control Data Display RES DR cLi CL 2 RES RES RES RES YSR ISR ISR_DIS OL ON RES RES Q0 P E uuu uu uuu A Hu uu More information about SPI configuration protocol please refer to L9958 datasheet Motor control command field This field was purposed for controlling motor command PWM duty cycle PWM Frequency motor direction control and break control Figure 14 Motor control command field PW Frequency 10000 Hz A 10000 20000 30000 PWM Duty 50 95 N Ol 40 60 au 100 Forward Reward Disable EN switch The EN and DI input signal of L9958 to make the bridge tri state or on state is controlled by Forward key k d prea key ey ey an ey When toggle these keys DIR EN and DI is automatically controlled by PC software and the di E prindicator DI Indicator will display the status of EN DIR DI pins Mos pete The control logic is shown in Table 2 more information please refer to L9958 datasheet Doc ID 16058 Rev 2 ky UMO759 Table 6 EN DI DIR switch map General description Forward EN Indicator DI Indicator DIR Indicator EN Indicator DI Indicator DIR Indicator did EM ci E EM Indicator DI Indicator DIR Indicator verse bi EN EN lt EN Indicator DI Indicator DIR Indicator PWM duty cycle and frequency control e PWM Duty cycle control
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14. or diagnostic VO from the MCU Below is the I O header pin mapping see appendix A lt Doc ID 16058 Rev 2 11 26 General description UMO759 3 1 8 BOM of L9958 evaluation board Table 3 Bill of material 1uF Capacitor Semiconductor SIM C2 C0805 Model 100nF MO Semiconductor SIM C3 C4 C5 C0805 10nF Capacitor Semiconductor SIM C7 C8 C0805 5 Model 1k Semiconductor resistor m ME el 2012 0805 mM 3 2 ST10F276 evaluation board configuration The ST10F276 is configured as 64 MHz CPU clock and the configuration is shown in following table Table 4 ST10F276 configuration ENE AA SE SESE ME N NN S3 configuration Connect PC COM port to ST10 UARTO PC COM port can be configured by GUI lt 12 26 Doc ID 16058 Rev 2 UMO759 3 3 3 3 1 3 3 2 lt General description Evaluation GUI description The L9958 GUI consists of five fields three control fields SPI menu select motor control command field function configuration field two indication field SPI diagnosis indicator and EN DI DIR indicator Figure 11 L9958 GUI general view and the default value P STMicroelectronics y PT amp S Shanghai LAB G C AK L9958 Regulation Current Level Current Slew Rate Control Value Voltage Slew Rate Control Value QO 2 0 3 0 A 0 15 0 45 A us 1 0 3 0 v us O 3 5 4 5 A O 1 5 45 Ajus O 2 0 6 0 Y us 5 5 7 7 A CY 8 9 4 A Current Slew Rate Control Disable Open Load in ON state Ena
15. r supply LL 8 L9958 H bridge DC motor driver overview LL 8 L9958 evaluation board DC motor connector 9 L9958 evaluation board jumpers res 10 L9958 evaluation board test point 11 L9958 GUI general view and the default value 13 wigkeo nie DELE aaa OE RO EO PER OE OR TTL TUTTO 16 SPleontrel data display issie x 2 9 REKE BE DEERE Ke IE eC peat RE andes d ars dg dd d 16 Motor control command field 16 mil rra DE EE EL EE EE EE EE DI EN 17 PWM frequency control 17 Reverse direction of motor control 18 Forward direction of motor control LL 18 Freewheeling direction of motor control LL 19 Function configure field 0 0 0 ccc eee RR RR rn 19 COM number map on PC 20 SPI diagnostic information LL 21 PWM settings for motor control 22 The wave form of motor forward control 22 The wave form of motor reverse control llle 22 Doc ID 16058 Rev 2 UMO759 System description 2 System description 2 1 Introduction The L9958 evaluation board is a standalone evaluation board for the L9958 devices The L9958 is an SPI controlled H bridge designed for the control of DC and stepper motors in safety critical applications and under extreme environmental 2 2 Main components e L 9958 device with 34x4 connectors can be connected to the MCU evaluation board e Main GUI Figure 1 System connection 12V Power supply lt DC motor Figure 2 System diagram ky Doc ID 16058 Rev 2 5
16. ucts with provisions different from the statements and or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever any liability of ST ST and the ST logo are trademarks or registered trademarks of ST in various countries Information in this document supersedes and replaces all information previously supplied The ST logo is a registered trademark of STMicroelectronics All other names are the property of their respective owners 2013 STMicroelectronics All rights reserved STMicroelectronics group of companies Australia Belgium Brazil Canada China Czech Republic Finland France Germany Hong Kong India Israel Italy Japan Malaysia Malta Morocco Philippines Singapore Spain Sweden Switzerland United Kingdom United States of America www st com lt 26 26 Doc ID 16058 Rev 2
17. ult 1 5 4 5 A us gt ISR 0 SPI DIN Bit b9 VSR Description Voltage Slew Rate Control Value bit more details please refer to L9958 datasheet Value 1 3 V us gt VSR 1 2 6 V us gt VSR 0 Default 2 6 V us gt VSR 0 SPI DIN Bit b8 Current regulation level Description Current Regulation Level bit more details please refers to L9958 Datasheet Value 2 0 3 0 A gt CL 120 CL 220 3 5 4 5 A gt CL 1 1 CL 220 5 5 7 7 A gt CL 120 CL 2 21 7 8 9 4 A gt CL 1 1 CL 2 1 Default 2 0 3 0 A CL 120 CL 2 20 SPI DIN Bit b2 b3 SPI IN display Description Corresponding SPI IN command was displayed Value DO b1 b2 ba b4 b5 b6 b7 b8 b9 b10 b11 b12 b13 b14 b15 Reset Value 0000000000000000 bit 0 bit4 bit7 bit12 bit15 was fixed as 0 according to L9958 SPI protocol shown as Figure 5 more details please refer to L9958 Datasheet Configuration example Click the button means set the bit Unclick the button means reset the bit Doc ID 16058 Rev2 15 26 General description UMO759 16 26 Figure 12 SPI control area Regulation Current Level Current Slew Rate Control value voltage Slew Rate Control value O 2 0 3 0 A 0 15 0 45 4 us 1 0 3 0 Y us 9 5 5 4 5 A O 1 5 45 Af us O 2 0 6 0 v us e 5 5 7 7 A Current Slew Rate Control Disable Open Load in ON state Enable 7 8 9 4 A C ISR DIS OL ON After configured SPI menu the configured SPI comma
18. was shown as below Figure 18 Forward direction of motor control EM Indicator DI Indicator DIR Indicator L 18 26 Doc ID 16058 Rev 2 ky UMO759 General description BREAK key The key only works at CLICKED Rising edge that is to say the un clicked action fall edge didn t change the direction status When the BREAK was clicked the duty cycle of L9958 PWM was 0 PWIM 0 the status of bridge was freewheeling Low as Table 2 above From the GUI side when BREAK was clicked the Reverse Key or Forward Key was reset and the motor display field was shown as below Figure 19 Freewheeling direction of motor control 15 ph EM Indicator DI Indicator DIR Indicator CA Diagnostic reset button The action clicked the Diagnostic Reset button Dismosticrese will only reset SPI Menu field and SPI Diagnosis Indication field to the default value shown as Figure 3 Reset ST10 button The action clicked the Reset ST10 button Resetstia_ will soft reset ST10 and configure ST10 DIO SPI and CC Function configuration field The function configuration field consists of four parts Port Configuration Rx Error Exit button Continue Diagnosis switch as shown below Figure 20 Function configure field Continue Diagnose comport slo E oe C OFFION Diagnostic Reset Resek 5T10 Exit EST Doc ID 16058 Rev2 19 26 General description UMO759 3 3 3 3 3 4 3 3 9 20 26 Port
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