m68evb908ql4 operation
Contents
1. 1 PTBO provides D1 indicator output JP 1 PTB3 AD5 provides RV1 user pot input JP1 PTBA provides LIN serial input SLCRX PTB5 provides LIN serial output SLCTX 1 2 3 4 5 6 7 8 11 M68bEVB908QLA 12 04 03 CYCLONE PORT The Cyclone port is a 16 pin header compatible with a Cyclone development cable Applying this cable allows supporting host tools to load and control the QY4 during development The MON EN JP1 position 1 CLK EN and 5V_EN option jumpers should be open when applying this port NC 1 2 GND VSS NC 3 4 TP4 516 PTA2 IRG N C 7 8 PTAO MONOB8 I O N C 9 10 PTA4 N C 11 12 1 5 5 1 13 14 N C 45V 15 16 N C No connection TROUBLESHOOTING The M68EVB908QL4 is fully tested and operational before shipping f it fails to function properly inspect the board for obvious physical damage first Verify the setup as described under GETTING STARTED and START UP sections of this manual 1 Verify proper installation of a MC68HC908QL4 the U1 or U2 socket not both 2 Disconnect all external connections to the board except for the serial cable to the PC and the wall plug If applying the Cyclone cable check it s operation or remove it 3 Verify the wall plug connections to outlet and the power connector 4 Verify the power source is enabled and the PWR option is correctly installed 5 Verify the 5V_EN option is in2. 0 0 OO000000000 00000000000 00000000000 WAKE 5V_EN yp 2 channel 16 bit TIM Timer sse 98555555855 Im B 6 Channel 10 BIT A D oad B sede Coes o OP LIN Slave Serial Port 20 F Ew HER o d 0 fo ere olpmo S0990 6 Key Wake up Ports Gif cs e o 6 Pro o o 6 o o 000 MONO8 debug monitor ROM ow 12 e fol lors ooo o0 0000000c x at wee 2 8 a 2770000000000 Internal Clock generator s mum nn Tol lel 99999999999 up to 8Mhz operation 00000000000 5 1234 AUR E 9 8304MHz clock oscillator CO 22 226 ugs 2201 929999909099 550000 4 rife Reje m o Spi ZIF sockets for TSSOP or DIP packages SIR fo wie 20522022999 1s gt NN Regulated 5V power supply Qj QJ LIN Ports with transceiver MC33661 DEBUG Port Serial 5232 MONOS interface CYCLONE Debug Cable Port Power Indicator M68EVB908QL4 User Components Provided 1 LED Indicators PTBO 2 Push Switches PTA2 3 Potentiometer PTB3 e M
3. memory types and embedded software design for the quickest successful application development Application development maybe performed by applying MONO8 monitor with the DEBUG port or by applying the CYCLONE cable with supporting host software The monitor provides an effective and low cost debug method The MONOS serial monitor is provided in the HCO08 device internal ROM memory and applies some 8 resources for operation See the MONOS section of the QL4 user manual from Motorola for complete details After the user application is tested under monitor control the code can be configured for dedicated operation and programmed into the device Reference Documentation Reference documents are provided on the support CD in Acrobat Reader format CD Documents Reference MC68HC908QL4 pdf QL4 device user manual CD Documents Reference CPU08RM pdf CPUOS core user manual with instruction set CD Documents Schematics M68EVB908QL4_SCH_D pdf M68EVB908QL4 schematics CD Documents Manuals M68EVB908QL4man pdf This user manual The most recent Motorola documents can be found at this link http e www motorola com Look under the products microcontrollers selection to find related documents M68bEVB908QLA 12 04 03 M68EVB908QL4 Startup Follow these steps to connect and power on the board for the default Monitor operation Note LIN slave communication firmware is installed in the QL4 flash at the factory Refer to Motorola
4. JIP OS R SOWEIT EET 8 RESET Swit Cl ERES 8 TR OSS Will EE 8 RVI User Potenttomeler enden edidere eee eii etieite ree ee eee eei te erster cedet t eee e ete pee cie 8 MONOS DP UG PORT cete momae 9 MON LEN EO IT TER 9 RP UE 9 XLCDLOGK OSCILLATOR bre ee rR ete sy Dal Sear Baul 9 EINJTI AIZ PORTS REE ERB aR i RR Re 10 LIN TEN Option rea e A De EL 10 WAKEOSWIICILA e tme tere A 10 EIN Connectors and Options ede Eee et et e pi ae a e t edet teet 11 MC68HC980QL4 PORT CONNECTORS eres eese eee esee tn oeste tos e sete nes seen eee eo so see toas see eoe sesso sese eene e eese seen esee eoa 11 MCU PORT eie ent eh E rtc me E NNI 11 CYCLONE PORT mettre ee cte eet 12 TROUBLESHOOTIN Oc H H 12 M68EVB90S8QLASCHEMAT IC eiie eer OPE p e ova Vua sos 13 ERRATA e 13 M68bEVB908QLA 12 04 03 Cautionary Notes 1 Electrostatic Discharge ESD prevention measures should be applied whenever handling this product ESD damage is not a warranty repair item 2 Axiom Manufacturing reserves the right to make changes wit
5. CU Port connector provides all I O Large 1 x 3 Prototype Area Supplied with DB9 Serial Cable LIN connection cable Utility Support disk CD Manuals and Wall plug type power supply 99999 99 Specifications Board Size 3 250 x 5 0 Power Input 6 20VDC 9VDC typical Current Consumption 30ma 9 9VDC input The MONOS monitor is available by serial interface to host based development environments for source level debugging operations Access to the MONOS is by the CYCLONE cable or the DEBUG port PC hosting software is required to apply the MONO8 debug ports provided software samples for installation and application directions See the M68bEVB908QLA 12 04 03 GETTING STARTED The M68EVB908QL4 single board computer is a fully assembled fully functional development board for the Motorola MC68HC908QL4 microcontroller Provided with wall plug power supply and serial cable Support software for this development board is provided for Windows 95 98 NT 2000 XP operating systems Development board users should also be familiar with the hardware and software operation of the target 8 device refer to the provided Motorola User Guide for the device and the HC08 Reference Manual for details The development board purpose is to assist the user in quickly developing an application with a known working environment or to provide an evaluation platform for the target 8 Users should be familiar with memory mapping
6. M68EVB908QL4 Development Board for Motorola MC68HC908QL4 Axiom Manufacturing 2813 Industrial Lane e Garland TX 75041 Email Sales Gaxman com Web http www axman com M68bEVB908QLA 12 04 03 CONTENTS CAUTIONARY NOTES v iso 3 TERMINOLOGY PL 3 FEATURES Sr 4 GETTING STARTED soto core So o Das aee pata sae ERES nae sos se eH Eae pae NEES Cear Eoss sao 5 REFERENCEDOCUMENTATION 5 a tus tire eri o e Sores duc Gt dre e e E t a Or ERE EIER EE 5 M68EVB908QLA STARTUP iei eed rite n mete tiim eiecit 6 MOS8EVB908OL4 OPERATION err 6 MA P 6 POWBRISUPPBIY ena cem amer ie Me ds ca aate d e 7 PWR SED Options tee aA pe T se RAE oat cadens A RES Eee NER TREND VI RENE RII EP 7 FIVEN IRE EUREN EEE CO Bate UE ug 7 POWER Indicator x a et Ee P EE REA Ede pee dE e ER EE ee 7 PWR PowerJdck i tet ttesetestzeder eet se hg eb teal e Eee NN ea Ge bete e eee 7 U UTANDUZ2 SOCKETS are tte re beret ie rene eei aie ne tede eiit Re 7 USER COMPONEBNTS 2 tree rer E EET ES FPOEGEU 8
7. N DIP KFO 98 I rs C i HIN202 ot Ue qo ST 0195 jam Ue i ak UNUSED GATES qp EAD e 5 ab 1 ne 7 R5 4 ES _ 8 pi 40K fe IS LASER CE api 2 2 EX RAD Ub 0 Hume 74 125 rms LE lu me god 7 a Pid M 0 UN ASIA 21 75 WCEBHCSOBRLA im pala 2 74HC126 TS80P Am p UE B a 33K mm m I 97 MC33398 il es I EN 2105 guo 1 1 End He 109 PLINI BYPASS CAPACITORS PE s Le PA T ev e T 44 PIBS HE ofo ve 1 n Ed Fer M Ce e gr bue Tl i e O1uF e e 1u PORT 04 PHR_SBL LM2940 5 POWER di 51 E i ey tet u ve var 1 1 iK GREEN o 7 Hr es z 1 5512 2 eer eoim me i L 35V s eho m di PTAS OSEA 43 14 ijo ie pem CYCLONB QS anutacturang ere M6BBVB90B0L4 AXM 0323 aH omen uu x P9 me 0 AX SCH 0303 D nnd oe 101 B 7 5 4 3 2 Errata M68EVB908QL4 AXM0323 Revision D 1 PTA1 has a 100K pull up resistor to 5V to provide DEBUG port Monitor mode entry Not shown on Rev D schematic 2 PTA4 has a 100K pull down resistor to Ground VSS to provide DEBUG port Monitor mode entry Not shown on Rev D sche
8. application note AN2633 D LIN Drivers for SLIC Module of MC68HC908QL4 for details This application note and software example may be found on the Motorola web site 1 2 Inspect the U1 and U2 sockets for proper installation of a QL4 device in one of the sockets Install the provided Wall Plug power supply in an available power outlet and connect to the EVB PWR jack If the POWER Indicator is not ON check the following PWR SEL option jumper installed in the 1 2 position 5V option jumper installed on both pins Install MONOS hosting software for applying the DEBUG port on the host PC Connect the M68EVB908QL4 board DEBUG serial connector to the host PC COM port with the provided serial cable Launch the host MONO8 software and mass or bulk erase the QL4 flash to unsecure the device flash This is required if the QL4 flash is programmed and the security is unknown Perform a MONOS restart procedure to start a debug session Follow instructions and examples provided with the hosting software M68EVB908QL4 OPERATION The M68EVB908QL4 board provides input and output features to assist in application development These features may be isolated from the applied HC08 I O ports by associated option jumpers This allows alternate use of the 8 I O ports for other application and connection on the PORT connector Caution should be observed so that the HC08 I O port pin applied to an on board feature is not also applied to exter
9. are active logic low RESET Switch The RESET switch applies an active low signal to the HCO8 PTA3 RST KBI3 pin if the JP1 option position 2 is installed When applying the CYCLONE cable and port this jumper should be installed to enable the pull up resistor on the RESET signal IRQ Switch The IRQ switch applies an active low signal to the HC08 PTA2 IRQ KBI2 pin if the JP1 option position 1 is installed RVI User Potentiometer The User Potentiometer provides an adjustable linear voltage from 0 to 5V The voltage signal is made available to 8 port PTB3 AD5 analog input by the JP1 position option jumper installed The 8 ADC module can measure the input voltage to allow user application response to the input voltage level M68bEVB908QLA 12 04 03 MONOS DEBUG PORT The DEBUG port provides standard 9 pin connection with RS232 type serial interface to the HC08 MONO8 debug monitor The MON EN EN options should be installed prior to applying power to the EVB to apply the DEBUG port HC08 ports PTAO PTA2 and 5 are applied to operate this port Monitor communication is provided without additional features such as BREAK or RESET Hosting software is required to communicate with the monitor on this port Do not apply the DEBUG port and CYCLONE cable at the same time Refer to the M68EVB908QL4 schematic drawing for circuit and connector connections MON EN Option The MON EN 1 and 2 option jumpers provid
10. e HC08 MONOS signals to the DEBUG Port Install the jumpers on both pins to enable the signals MON EN 1 Enables the 9V VTT supply to HC08 port PTA2 IRQ to enable monitor mode on power up MON EN 2 Enables the MONO8 communication from 8 port PTAO to the DEBUG port CLK EN Option The EN option jumper provides for a 9 8304Mhz clock to be applied to the HC08 PTA5 OSC1 pin This clock source is required for MONO8 debug monitor operation via the DEBUG port Install the jumper on both pins to enable the 9 8304 clock signal to the X1 CLOCK OSCILLATOR The X1 clock Oscillator is provided to allow default monitor mode MONOS operation When the MONOS8 debug monitor is to be applied the X1 clock should be optioned to provide the clock source The CLK EN option jumper installed will provide the X1 clock source to the 8 device pin PTA5 User should also note that the MCU PORT may provide a signal to drive the clock signal on PTA5 In this case the EN option should not be installed M68bEVB908QLA 12 04 03 LIN J1 J2 PORTS The LIN ports provide parallel connectors for attaching a LIN network Providing two connectors enables the user to either connect additional slave nodes or monitoring test tools to the board without special wiring harness creation The QL4 device provides a LIN Slave type node on the LIN Network LIN physical layer transceiver MC33661 or similar is provided between the QL4 device a
11. hout further notice to any products to improve reliability function or design Axiom Manufacturing does not assume any liability arising out of the application or use of any product or circuit described herein neither does it convey any license under patent rights or the rights of others 3 EMC Information on the M68EVB908QL4 board a This product as shipped from the factory with associated power supplies and cables has been tested and meets with requirements of CE and the FCC as a CLASS A product b This product is designed and intended for use as a development platform for hardware or software in an educational or professional laboratory c In a domestic environment this product may cause radio interference in which case the user may be required to take adequate prevention measures 2 Attaching additional wiring to this product or modifying the products operation from the factory default as shipped may effect its performance and also cause interference with other apparatus in the immediate vicinity If such interference is detected suitable mitigating measures should be taken Terminology This development board applies option selection jumpers Terminology for application of the option jumpers is as follows Jumper on in or installed jumper is a plastic shunt that fits across 2 pins and the shunt is installed so that the 2 pins are connected with the shunt Jumper off out or idle jumper or shunt is installed so that o
12. ion open the switch will wake up the transceiver Wake also has a test pad for remote connections 10 M68bEVB908QLA 12 04 03 LIN Connectors and Options The LIN network connectors LIN J1 and LIN J2 provide a standard pin configuration with a network option position Front view looking into connector from outside of board edge LIN Signal VSUP Input Mating connector Molex 39 01 2040 with Option pin Ground 39 00 0039 pins Option pin 2 on the LIN connectors provides an additional ground or Test Pad to apply another signal with the network Test pad TP2 provides option access to LIN J1 and TP3 provides option access to LIN J2 Option pad set 1 and 2 will provide connections to ground for LIN J1 and LIN J2 option pin 2 respectfully MC68HC980QL4 PORT CONNECTORS MCU PORT The MCU PORT provides access to the MC68HC908QL4 ports Port configuration reflects the DIP package device pin and signal order 5V VDD 1 16 GND VSS 1 1 1 2 15 PTAO ADO KBDO PTA2 IRQ KBIZ TCLK 3 14 PTA5 OSC1 AD3 KBD5 PTA3 RST KBI3 4113 PTA4 OSC2 AD2 KBI4 PTBO TCHO 512 PTB4 SLCRX PTB3 AD5 6 11 PTB5 SLCTX PTB2 AD4 7 10 PTB6 PTB1 8 9 PTB7 Notes PTAO 2 PTA4 and PTAS applied with CYCLONE cable if installed PTAO is also the MONO8 debug monitor serial I O MON EN PTA2 provides IRQ Push Switch input JP1 or Monitor mode entry voltage MON EN provides RESET Push Switch input
13. lation also PWR Power J ack PWR provides the default power input to the board The power jack accepts a standard 2 0 2 1mm center barrel plug connector positive voltage center to provide the V input supply of 6 to 20 VDC 9VDC typical Volts 2mm center U1 and U2 Sockets U1 and U2 provide Zero Insertion Force ZIF type sockets for installing the QL4 device Only one QL4 maybe installed on the development board at a time U1 provides a Dual In Line DIP type package mount and will also allow SOIC type packages to be applied with a SOIC DIP adapter Logical Systems part 16501 03 3 or similar U2 offers the TSSOP package type mount Use caution to verify the device PIN 1 location when installing in the sockets M68bEVB908QLA 12 04 03 USER COMPONENTS Two push switches potentiometer and LED indicator are provided for user application J P1 USER OPTIONS The JP1 option block provides a method to enable or connect user components to be applied with the HCO8 I O ports The development board user should be familiar with the input and output application so that port conflicts do not occur Following is the option connection reference table DIRECTION IRQ Push Switch PTA2 IRQ KBI2 Input MCU PORT pin 3 MON_EN CYCLONE RESET Push Switch PTA3 RST KBI3 MCU PORT pin 4 RV1 Potentiometer PTB3 ADS MCU PORT pin 6 D1 Indicator active low PTBO TCHO MCU PORT pin 5 Note RESET switch IRQ switch and LED indicator
14. matic 13
15. nal components by the user MEMORY MAP The EVB board does not provide any expansion memory or memory mapped peripherals Refer to the HC08 device user manual for device memory location and type M68bEVB908QLA 12 04 03 POWER SUPPLY Input power is applied by external connection to the PWR power jack or LIN J1 2 port connectors The input source is selected by the PWR SEL option jumper The regulator is protected from reverse voltage application by diode D3 or D4 Input voltage is regulated to 5V supply by VR1 and enabled to the development board circuits by the 5 EN option jumper installed The POWER indicator will light when 5V is available PWR SEL Option The PWR SEL option provides EVB board input power source selection between the LIN port connectors and primary input PWR jack Default position is jumper installed on pins 1 2 for PWR jack input The user may elect to move this option jumper to position 2 3 when applying the LIN ports on a LIN network that provides the V source 45V EN Option The 45V EN option provides board power enabled or disabled control Default position is jumper installed on both pins The user may elect to remove this option jumper when a Cyclone development cable is applied so that the cable can control the power up sequence POWER ndicator The POWER indicator will be ON if 5V is available on the EVB board The indicator may have a visible indication if the power supply is below 5 and out of regu
16. nd the LIN network connectors Refer to the MC33661 data sheet for complete details of transceiver operation The following diagram represents the LIN connection M68HC908QL4 PTB4 SLCRx MC33661 PTB5 SLCTx The LIN interface provides optional features of Enable control LIN_EN option Wake switch and input power source option PWR_SEL See the PWR_SEL option in the power supply section of this manual for information on this option LIN EN Option The LIN EN option allows enable control of the LIN transceiver With a transceiver such as the MC33661 software control of the EN pin allows the user to set the slew rate control of the transceiver This feature allows the EMC characteristics of the physical layer to be tuned to the needs of the application Three options are available LIN EN OPEN No option jumper installed The transceiver is disabled and in sleep mode no LIN output messages will be possible Pin 2 of the option pins can be wired to any available HCO08 port to provide the enable signal The WAKE switch maybe applied to enable the transceiver also LIN EN 1 2 jumper position QL4 port PBT7 provides transceiver output control PTB7 output high will enable the transceiver to allow LIN messages LIN EN 2 3 jumper position Transceiver is always enabled Port PTB7 maybe applied for other purposes with this option setting WAKE Switch The WAKE switch applies the Wake up function of the transceiver With LIN EN opt
17. nly 1 pin holds the shunt no 2 pins are connected or jumper is removed It is recommended that the jumpers be idled by installing on 1 pin so they will not be lost This development board applies hard wired option selections JP2 These option selections apply a circuit trace between the option pads to complete a default connection This type connection places an equivalent Jumper Installed type option The circuit trace between the option pads maybe cut with a razor blade or similar type knife to isolate the default connection provided Applying the default connection again can be performed by installing the option post pins and shunt jumper or by applying a wire between the option pads M68bEVB908QLA 12 04 03 FEATURES The M68EVB908QL4 is an evaluation or development board for the MC68HC908QL4 microcontroller Development of applications is quick and easy with the included DB9 serial cable sample software tools examples and debug monitor MONO8 The prototyping area provides space to apply the CPU I O to your needs The Cyclone port is provided for high end development tool application CYCLONE 5 Features MC68HC908QL4 CPU 4K Byte Flash 128 Bytes Ram 14 I O lines 16 pins P4 2 S 15 e E oo foo
18. stalled and the Power indicator is ON You should measure 5V on the 5V_EN jumper center 6 Contact support axman com by email for further assistance Provide board name and describe the problem 12 M68bEVB908QLA 12 04 03 M68EVB908QL4 Schematic D De ES u 1 Sy v ut Ls w 9 2 75239 Ta 5 TRG f 269 Hes me PTAZ IR KBT2 TCLK m 2 i i i Ma i i D raros Att Pr _ Sce cto Ir 14 prh5 yost 1 A03 KB15 Tae iuF Fe fur ee HN 1 1 RESET PEAS 1f U5 o ir nior E i monum LX BN iu 77 E t ee lt nm Ben rer 5 Na 2 Ihe she gpl MON EN le lt f ren e DEBUG 7 4 1 cele N
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