L9958 evaluation board and graphical user interface (GUI)
Contents
1. Doc ID 16058 Rev 1 7 26 g www BDTIC com ST General description 3 1 2 Battery power supply UMO759 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 Pa ri Combe chor GND A 1 connector PND 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 designed as decoupling capacitor for VDDIO and VDD Figure 7 L9958 H bridge DC motor driver overview 8 26 Doc ID 16058 Rev 1 www BDTIC com ST TENE a UMO759 3 1 4 3 1 5 a 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 OUT1 connector connectorl C8 Ci 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 Type gt B Connect L9958 VDDIO to D32 S2. 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 PWM 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 EN Indicator DI Indicator DIR Indicator L Diagnostic reset button The action clicked the Diagnostic Reset button DasnsieRsst 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 reserstio_ 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 30 B ok OFFON Diagnostic Reset Resek 5T10 ls Exit BEES Doc ID 16058 Rev 1 19 26 www BDTIC com ST General description UMO759 3 3 3 3 3 4 3 3 5 20 26 Port configuration Com port comport 0 can be changed by user according the used COM port number of PC After modified the com port number user must click the res
3. Doc ID 16058 Rev 1 A www BDTIC com ST UMO759 General description Table 8 Partly diagnostic testing result Operation iridis 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 OUT 1 2 oneer Vbate3 6V BIT 2 vs Under Voltage pass Voltage Current cade Limitation Short circuit BIT 4 Current Limitation Reached Reached Bridge Enable Turn on OUT1 2 BT7 7 gr Bridge Enable Open Load in ON Condition Short To GND Connect OUT1 tOGND OUT1 to GND in OFF Condition Connect OUT2 to GND a Short To GND in OFF Condition Short To Battery Connect OUT1 to Vbat Connect OUT1 to Vbat OUT1 to Vbat in OFF Condition Connect OUT2 to Vbat gt Short To Battery in OFF Condition a Doc ID 16058 Rev 1 23 26 www BDTIC com ST 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 2 3 A 2 Pin out Pin connection between ST10F27x evaluation board and L9958 demonstration board Table 9 ST10F276 pin out for L9958 board o P20 Pina7 GPIO EN DI DR P22 Pi49 GPIO Direction control As Pin 76 MTSRO Mia P3 10 Pin 77 TxDO Ka F276 SH is the board mad
4. wa 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 July 2009 Doc ID 16058 Rev 1 1 26 www st com www BDTIC com ST Contents UMO759 Contents 1 sg za OE EE EE AAA A 1 2 System description sai sewe ta KA BANAWE RE ERR eee ee cows 5 2 1 NMOQUCU N Ts 5 2 2 Main components EE ES ss ss eee es 5 3 General description llle 6 3 1 Hardware description l llle 6 3 1 1 Main feature of the L9958 evaluation board 6 3 1 2 Battery power supply 0 0000 rn 8 3 1 3 L9958 H bridge DC motor driver a 8 3 1 4 DE Motor CONNECION asis acu Rack Ro ea N Oe E VOR RERO cda 9 9 1 5 Sn cqv PPP 9 3 1 6 TeSt POND gm 11 3 1 7 Hede oa 245 198 92 Pawa BANA OE diva a ibid 11 3 1 8 BOM of L9958 evaluation board ESE SE EE eee 12 3 2 ST10F276 evaluation board configuration 12 3 3 Evaluation GUI description l llle 13 3 3 1 RUN and STOP L9958 GUI SE SE SE SE SE SS SE es es ee 13 3 3 2 Configure L9958 GUI nananana aaa SE Ee se es ee ee 13 3 3 3 E PTT 20 3 3 4 eM DUON co EE AE EE a da OK 20 3 3 5 Continue diagnosis switch SE SE ee eee 20 3 3 6 SPI diagnosis indication ESE SE SE ES eee 21 3 4 WESURCSUINS is EER aden DE ERA SR REDE Seep Ade EA
5. 009 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 26 26 Doc ID 16058 Rev 1 ky www BDTIC com ST
6. BI EB SEE DODE MA 22 hia d EE N ER EE AAA EE BA ia 24 A 1 ST10 configuration eee ees 24 Aa Io PPP 24 4 Revision history sis ENE ER EE AA RR RE RE RE ER Ee 25 2 26 Doc ID 16058 Rev 1 ky www BDTIC com ST UM0759 List of tables List of tables Table 1 JUMPERS TEC CREER o 9 Table 2 EC dee seas arroces ein aaa e EN ee ees 11 Table 3 BILOM Ad RE N neta EE IE OE NY ee 12 Table 4 ST10F276 configuration 1235 sa escarnio RES aa ceo d 12 Table 5 SPI configuration protocol ee SE eee eee eae 13 Table 6 EN DI DIR SWIICIT MaD s s uc KA KALA bie Ea dew LR ROER SO ie GN eas 17 Table 7 oPI diagnostic Protocol ss ars carreras ira NG ares 21 Table 8 Partly diagnostic testing result aaa 23 Table 9 ST10F276 pin out for L9958 board SE SE EE SE ee ee es es 24 Table 10 Document revision history SE eee ee se se ee 25 ky Doc ID 16058 Rev 1 3 26 www BDTIC com ST List of figures UMO759 List of figures Figure 1 SVStenrconneciON ii ies dog KA qd d ire a arr deis dod Jo d e LA 5 Figure 2 SEM ROER ORE EE TER OE EE MEAN EE ed OR EE RT OK 5 Figure 3 L9958 evaluation board top view SE EE eee se ei 6 Figure 4 L9958 evaluation board back view iS EE SE SE eens 7 Figure 5 L9958 evaluation board application circuit ES SE SE SE ees 7 Figure 6 L9958 evaluation board power supply SEE ESE ES SE eee ee se 8 Figure 7 L9958 H bridge DC motor dr
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8. System description Introduction The L9958 evaluation board is a standalone evaluation board for the L9958 devices ion 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 Main components e LI958 device with 34x4 connectors can be connected to the MCU evaluation board e Main GUI Figure 1 System connection ces ie 12V Power supply 1 SPI PWM IO y DC motor Figure 2 SELKO MTSRO Doc ID 16058 Rev 1 www BDTIC com ST 5 26 General description UMO759 3 General description 3 1 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 3 1 1 Main feature of the L9958 evaluation board Figure 3 L9958 evaluation board top view IO header J2 J3 J4 L9958 Ground Pin Jumper ul 9358 y ISO pulse voltage 3 w y protection E 1 OUnF 100uF sj Test Points DC motor connector a 6 26 Doc ID 16058 Rev 1 www BDTIC com ST UMO759 General description Figure 4 L9958 evaluation board back view Figure 5 L9958 evaluation board application circuit nalula aka Aa tn de ele DIR t Im 8 OF oo
9. T10 5V 1 B DIR is connected to 5V 1 J2 DIR is connected to GND O 1 ur XN Description DIR is controlled by C17 DI is connected to 5V 1 J3 DI is connected to GND O 1 DI is controlled by C16 O 1 Doc ID 16058 Rev 1 9 26 www BDTIC com ST General description UMO759 Table 1 Jumpers continued EN is connected to 5V J4 EN is connected to GND EN is controlled by D16 GND is connected to PGND GNDpin GND and PGND not connected Figure 9 L9958 evaluation board jumpers VDDIO 2 3 VDDIO a 10 26 Doc ID 16058 Rev 1 www BDTIC com ST UMO759 General description 3 1 6 Test points There are 9 test points on the board Table 2 Test points mau a a B sbi Oe Bm Be torear cmd Figure 10 L9958 evaluation board test point t1 3 4 5 6 7 8 9 3 1 7 VO header The 34x4 VO header allows access to control or diagnostic VO from the MCU Below is the VO header pin mapping see appendix A a Doc ID 16058 Rev 1 11 26 www BDTIC com ST General description UMO759 3 1 8 BOM of L9958 evaluation board Table 3 Bill of material tuF Capacitor Semiconductor SIM Co C0805 1 Model 100nF vae ad Semiconductor SIM C3 C4 C5 C0805 10nF Capacitor Semiconductor SIM C7 C8 C0805 2 Model DI DIR EN VDDIO GNDpin J1 J2 J3 J4 22k Semiconductor resistor R1 R2 2012 0805 10k Semiconductor resistor 2012 0805 1k Semiconductor resistor ip uS FEE SG EL EIS 2012 0805 Fo E tran
10. e by ShangHai BPT amp S Lab APG China ST10F27X EVA v1 0 g 24 26 Doc ID 16058 Rev 1 www BDTIC com ST UM0759 Revision history 4 Revision history Table 10 Document revision history me es ges OO 28 Jul 2009 Initial release ky Doc ID 16058 Rev 1 25 26 www BDTIC com ST 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 license grant by ST for the use of such third party products or services or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein UNLE
11. et 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 maga ng Compuker 324 Ports COM amp LPT rte A Communications Port COMI 4 ECP Printer Port LPT1 PO E Prolific LISB En Serial Bridge COM3 Example For COM1 0 port number should be selected comport slo For COM3 2 port number should be selected comrorr j2 If the port configuration failed when select Ton comport Jo Ml 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 o Bl Error indicate below receive error e Receive timeout e Receive error e Received frame incorrect Exit button The Exit button amp tsa was only used to stop and exit the L9958 GUI Continue diagnosis switch Continue Diagnosis If the Continue Diagnosis was clicked 17 orron the LI958 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 16058 Rev 1 ky www BDTIC com ST UMO759 3 3 6 a General description SPI diagnosis indication This field will indicate
12. iver overview ese SE SE ES eee se ee 8 Figure 8 L9958 evaluation board DC motor conneCtOF assas asea ESE SE eee 9 Figure 9 L9958 evaluation board jumpers SE EE EE SEE SE SE eee ees 10 Figure 10 L9958 evaluation board test poOint anana eaaa ee es 11 Figure 11 L9958 GUI general view and the default value Se es es ee 13 Figure 12 SPICOntrol Af OS s suu kaa KK uo OR om BEE HEDE HOD AK DE Oe RR Ron e EE KA pee uD kA 16 Figure 13 SPI control data display SE Es Es eee e 16 Figure 14 Motor control command field EE SE SE SE ee rn 16 mcm B uou ce EE EE EE ET RE EE N TE OE ler San 17 Figure 16 PWM frequency control ss SE ss mh hh 17 Figure 17 Reverse direction of motor control ESE SE EE eee ee 18 Figure 18 Forward direction of motor control SEE EE SE eee es 18 Figure 19 Freewheeling direction of motor control EES EE SE eee 19 Figure 20 Function configure field ss SES SE ee RII III n 19 Figure 21 COM number map on PC ESE SE SE Es hrs 20 Figure 22 SPI diagnostic information ss SE EE EE ee eee eens 21 Figure 23 PWM settings for motor control ESE EE SE SS eee ees 22 Figure 24 The wave form of motor forward control ESE EE SE EE ee se ee 22 Figure 25 The wave form of motor reverse control ESE EE SE EE eee 22 4 26 Doc ID 16058 Rev 1 ky www BDTIC com ST UMO759 2 2 1 2 2 a System descript
13. l 40 60 o Bridge Enable 1 o Bridge Enable 0 Bridge Enable 1 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 1 17 26 www BDTIC com ST 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 field was shown as below Figure 18 Forward direction of motor control i EN Indicator DI Indicator DIR Indicator L 18 26 Doc ID 16058 Rev 1 ky www BDTIC com ST UMO759 General description BREAK key
14. rotocol 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 PWI Frequency 10000 Hz er 10000 20000 30000 PWM Duty 50 o Ol 40 60 au 100 Forward Reward E gt Disable EN switch The EN and DI input signal of L9958 to make the bridge tri state or on state is controlled by Forward i key key and Bea key ey ey an ey When toggle these keys DIR EN and DI is automatically controlled by PC software and the EN Indicator DI Indicator DIR Indicator yin display the status of EN DIR DI pins Meme The control logic is shown in Table 2 more information please refer to L9958 datasheet Doc ID 16058 Rev 1 ky www BDTIC com ST UMO759 Table 6 EN DI DIR switch map General description Forward EN Indicator DI Indicator DIR Indicator EN Indicator DI Indicator DIR Indicator moa EN EE EN Indicator DI Indicator DIR Indicator reverse pk o NM BEN a EM Indicator DI Indicator DIR Indicator PWM duty cycle and frequency control e PWM Duty cycle control Range 0 100 Step 1 Default 50 Yo Figure 15 PWM duty PM Duby al T Ol 40 60 PWM frequency control Range 20 30000 Hz Step 1 Default 10000Hz Figure 16 PWM frequency control PwM Duty o O
15. set 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 gt Un Clicked gt 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 Clicked 1 Current Slew Rate Control Enable Un Clicked O Default Current Slew Rate Control Enable Un Clicked 0 SPI DIN Bit b10 a Doc ID 16058 Rev 1 www BDTIC com ST 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 gt ISR 0 Default 1 5 4 5 Aus 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 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 Regula
16. sil diode 3 2 ST10F276 evaluation board configuration The ST10F276 is configured as 64 MHz CPU clock and the configuration is shown in following table 39V connector2 Table 4 ST10F276 configuration se ed o5 ae TM N S3 configuration Connect PC COM port to ST10 UARTO PC COM port can be configured by GUI a 12 26 Doc ID 16058 Rev 1 www BDTIC com ST UMO759 3 3 3 3 1 3 3 2 a 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 ky PT amp S Shanghai LAB G C p ou L9958 Regulation Current Level Current Slew Rate Control Value Voltage Slew Rate Control Value O 2 0 3 0 A 0 15 0 45 A us 1 0 3 0 Y us OL 5 4 5 A O 15 45 AJus O 2 0 6 0 Y Jus 5 5 5 7 7 A Current Slew Rate Control Disable Open Load in ON state Enable O 7 8 9 4 ISR DIS OL ON Diagnostic Information EN Indicator DI Indicator DIR Indicator Ka ES B Vs Under Voltage B Temperature Warning 9 Over Temperature Shut Down FE LET Vdd Over Voltage D Bridge Enable 9 Current Limitation Reached PWM Frequency 10000 Hz 20 10000 20000 30000 Open Load in OFF Condition Short To GND in OFF Condition PWM Du
17. the diagnosis status SPI diagnosis word will displayed at SPI Diagnosis Indication field The diagnostic protocol was referred below Table 7 SPI diagnostic protocol Kr reset Description reset II ESTI 9 oo jOwmkainONcmd on f o OSW vo unete flo Oa 9 WAN empero warning 7 ocas Overcurentoniowaieet CI 0019 overcamenonlowside 2 00481 foveromontonngrset o 0049 Oerommonhhsa o Oow CTI 7 Ni umd ANETO 14 SGNO_OFF erori GND mOFE conton O Figure 22 SPI diagnostic information Diagnostic Information gt Ys Under Voltage Temperature Warning Over Temperature Shut Down Vdd Over Voltage e 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 1 21 26 www BDTIC com ST General description UMO759 3 4 22 26 Test results PWM control signal settings Figure 23 PWM settings for motor control PM Frequency 10000 Hz ss 10000 20000 30000 PWM Duty 50 o Ol 40 Bl all e Motor Control gt Forward Control Figure 24 The wave form of motor forward control e Motor Control Reverse Control Figure 25 The wave form of motor reverse control
18. tion Level bit more details please refers to L9958 Datasheet Value 2 0 3 0 A CL 1 0 CL 2 0 3 5 4 5 A gt CL 1 1 CL 2 0 5 5 7 7 A CL 1 0 CL 2 1 7 8 9 4 A gt CL 1 1 CL 2 1 Default 2 0 3 0 A gt CL 1 0 CL 2 0 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 O 000000 0000 O O O O O bit O bit4 bit7 bit12 bit15 was fixed as O according to L9958 SPI protocol shown as Figure 5 more details please refer to 19958 Datasheet Configuration example Click the button means set the bit Unclick the button means reset the bit Doc ID 16058 Rev 1 15 26 www BDTIC com ST 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 AF us 10 3 0 Y us CO 3 5 4 5 4 ALE 45 hus 9 2 0 6 0 v us 5 5 7 7 A Current Slew Rate Control Disable Open Load in ON state Enable CO 7 8 3 4 A ISR prs oL oM After configured SPI menu the configured SPI command 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 CL 1 tl 2 RES RES RES RES VER ISR TISE DIS OL ON RES RES m op S uiu N N N N uH uuu dd N More information about SPI configuration p
19. ty 50 25 mg B Open Load in ON Condition Short To Battery in OFF Condition 0 20 40 60 80 100 Forward Reward a Low Side 1 Over Current 9 Low Side 2 Over Current sex gt 3 High Side 1 Over Current High Side 2 Over Current Continue Diagnose comport Ho MB ok C orrjom SPI Control Data Display x I SSS Diagnostic Reset RES DR ASUS RES CHER RES RES VSR ISR ISR DIS OL ON RES RES D el iih 4C ja ak ae ha ri a mcg TOUT MEER 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 L9958 Table 5 SPI configuration protocol Config value Description after reset Doc ID 16058 Rev 1 13 26 www BDTIC com ST General description UMO759 14 26 Table 5 SPI configuration protocol continued CI 4 es ene O 05 RS esos 0 m 09 RS Remi SS man Rem O a ver TT N EN 9 ER Jeria ao ones o sos oweiswmeonmdmhs o n OON opensa nonsense 9 wo RS mm 000000 m 9 ws Rem ee ow 9 qWewwwe hoo asus o Wee O Diagnostic reset bit Description Diagnostic Re
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