ZK-HC08LX-A User`s Manual
Contents
1. When using an external in circuit debugger programmer connected to this connector LED ENABLE Installed Each jumper when installed connects a LED to the respective microcontroller s pin default Not Installed The LEDs are not connected to the microcontroller PTA1 PUSH BUTTON ENABLE Installed The PTA1 push button is connected to the microcontroller s PTA1 pin default Not Installed The PTA1 push button is not connected to the microcontroller PTA2 PUSH BUTTON ENABLE Installed The PTA2 push button is connected to the microcontroller s PTA2 pin default Not Installed The PTA2 push button is not connected to the microcontroller PTA3 PUSH BUTTON ENABLE Installed The PTA3 push button is connected to the microcontroller s PTA3 pin default Not Installed The PTA3 push button is not connected to the microcontroller Soflec MICROSYSTEMS Page 5 ZK HCO8LX A User s Manual Reference Description Pinout PTA4 PUSH BUTTON ENABLE Installed The PTA4 push button is connected to the microcontroller s PTA4 pin default Not Installed The PTA4 push button is not connected to the microcontroller POTENTIOMETER ENABLE Installed The potentiometer is connected to the microcontroller s PTA5 pin default Not Installed The potentiometer is not c2. user application is executed in user mode To enter the monitor mode some microcontroller lines must be properly driven In the case of the MC68HC908LUJ and LK families these lines are PTAO serial communication line PTA1 PTA2 and PTC1 Additionally to enter the monitor mode a high level voltage signal VTST must be generated on the IRQ and RST pins of the microcontroller The RST_IN RST_OUT Connector The RST_IN RST_OUT connector in the MCU section of the board features the RST_IN and RST_OUT signals Depending on what in circuit debugger programmer you are using built in USB to MONO8 interface external tool connected to the EMON08 connector or external tool connected to the MONO08 connector the RST_IN and RST_OUT signals assume different meanings Using the EMON08 Connector Interfacing an external in circuit debugger programmer via the EMONO8 connector allows the number of wasted lines required to enter the monitor mode and executing the monitor code to be reduced In addition to the RST line the EMONO08 connector features two special lines RST_IN and RST_OUT which allow your target application to be interfaced to the target microcontroller s reset line without worrying about the high voltage that is generated on the RST line When using the EMONO08 connector The RST_OUT signal in the RST_IN RST_OUT connector is the reset sig
3. MD components Additionally all of the board s supply lines 12 V VDD 5V and GND lines are provided Beccccccoscocoscoe OUTPUTS ae PROTOTYPE AREA ee RST OUT Pt 00000000 RST_IN Bree i GFPEO Prci e Ni E rece e rT S323323 f wg o Se T RST gt 4 IRG lee lom PTAO not niz EF ar MCESHCIO8LJ24 a FILTER aaeanony en eae cy Cc USER Conre se A GND oe USB TO MONO8 INTERFACE INPUTS E8 ou em fem mem a SE ee ee ee Pa E Yen z OF HOF lt ie gt d PTA4 PTA3 RE psg Soeflec Zk I A STARTER KIT ww 5 micro com a The ZK HCO8LX AStarter Kit Supported Devices The ZK HCO8LX A Starter Kit supports the following devices MC68HC908Lu family MC68HC908LK family And any future pin to pin compatible device Recommended Reading Freescale HC08 microcontroller specific datasheets SK HC08 and ZK HC08 Series Starter Kit User s Manual ZK HCO8LX A Schematic Soflec MICROSYSTEMS Page 3 ZK HCO8LX A User s Manual 2 The RST_IN RST_OUT Connector Introduction All of the HC08 family devices feature a monitor code resident in ROM which through a serial communication line allows the programming and the in circuit debugging of the user application The monitor code is executed in monitor mode the
4. PTC1 MONO8 Connector DCONDARWH gt N C GND N C RST N C IRQ N C N C N C PTAO N C PTAI N C PTA2 VDD_CTRL PTC1 VDD CTRL DONBDAR WN gt a TE E 1 VDD_CTRL 2 GND 12 V DC Power Supply Input Connector 1 12VDC 2 GND Ground Test Point Soflec m MICROSYSTEMS ZK HCO8LX A User s Manual Reference J306 Description Pinout RS 232 Connector OCMNAARWN gt N C TX RX N C GND N C N C N C N C J401 USB Connector AON 5 V DC USB Bus Power Supply Line USB D USB D GND MICROSYSTEMS Page 8
5. T BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA PROFITS USE OF PRODUCTS OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITY THEREOF Trademarks Freescale and the Freescale logo are trademarks of Freescale Semiconductor Inc Metrowerks and CodeWarrior are trademarks or registered trademarks of Metrowerks Corp Metrowerks is a wholly owned subsidiary of Freescale Semiconductor Microsoft and Windows are trademarks or registered trademarks of Microsoft Corporation PC is a registered trademark of International Business Machines Corporation Other products and company names listed are trademarks or trade names of their respective companies ZK HCO8LX A User s Manual _ZIF socket for the microcontroller A connector area to access the I O pins of the microcontroller for expansion prototyping 7 Two clock sources a 8 MHz clock module and a 32 768 KHz crystal selectable via the OSC SEL jumper A jumper CGMXFC SEL allowing either the provided RC loop filter needed for the microcontroller s internal PLL or a user made RC loop filter to be enabled A connector J105 with RST_IN and RST_OUT signals A POWER SUPPLY section which accepts a 12 V DC thanks to the built in switching power supply provides a regulated VDD voltage for the rest of the board A jumper VDD SEL allows two different microcontroller VDD voltages 3 3 V or 5 0 V to be selected A circuitr
6. ZK HCO8LX A Starter Kit for Freescale MC68HC908LJ LK Family 80 Pin QFP ZIF Socket User s Manual 1 Introduction Overview The ZK HCO8LX A Starter Kit has been designed for the evaluation of the Freescale MC68HC908LJ LK family and the debugging of user applications The ZK HCO8LX A Starter Kit can be used as a standalone application or via its built in USB to MONO8 bridge or together with an external debugger through a MONO8 compatible connection Starter Kit Features The ZK HCO8LX A Starter Kit features the following sections 1 An MCU section containing An MC68HC908LJ24 microcontroller in 80 pin QFP package already programmed with a demo application in addition you can also use any other pin to pin compatible device Soflec MICROSYSTEMS Copyright 2005 Soffec Microsystems DC00918 SofTec Microsystems E mail general information info softecmicro com E mail marketing department marketing softecmicro com E mail technical support support softecmicro com Web http www softecmicro com Important Soffec Microsystems reserves the right to make improvements to its products their documentation and software routines without notice Information in this manual is intended to be accurate and reliable However Soffec Microsystems assumes no responsibility for its use nor for any infringements of rights of third parties which may result from its use SOFTEC MICROSYSTEMS WILL NO
7. nal generated by the external in circuit debugger programmer to the target system it can be GND or open drain The RST_IN signal is the reset signal generated by your target application it is adapted by the external in circuit debugger programmer which properly drives the microcontroller s RST line Using the MON08 Connector When using the MONO8 connector the RST_IN and RST_OUT signals in the RST_IN RST_OUT connector coincide with the microcontroller s RST signal Using the Built In USB to MONO8 Interface When using the built In USB to MONO8 Interface the RST_IN and RST_OUT signals in the RST_IN RST_OUT connector coincide with the microcontrollers RST signal MICROSYSTEMS Page 4 ZK HCO8LX A User s Manual 3 Summary of Jumper and Connector Settings Jumpers Summary Reference Description Pinout CGMXFC SELECTION 1 2 FILTER NETWORK The on board RC PLL loop filter is selected default 2 3 USER The XFC PLL loop filter pin is connected to signal pin connector OSCILLATOR SELECTION 1 2 CLOCK Clock selected default 2 3 CRYSTAL Crystal configuration selected EMONO8 CONNECTOR Installed When using the built in USB to MONO8 interface or an external in circuit debugger programmer connected to the MONO8 connector default Not Installed
8. onnected to the microcontroller SWITCH ENABLE Installed Each jumper when installed connects a DIP switch to the respective microcontroller s pin default Not Installed The DIP switches are not connected to the microcontroller VDD SELECTION 1 2 3V3 VDD 3 3 V 2 3 5V VDD 5 V default RX ENABLE Installed Microcontroller s PTB1 RXD pin connected to RS 232 transceiver default Not Installed Microcontrollers PTB1 RXD pin floating TX ENABLE Installed Microcontroller s PTBO TXD pin connected to RS 232 transceiver default Not Installed Microcontrollers PTBO TXD pin floating USB TO MONO8 ENABLE Installed The USB to MONO8 interface is enabled Not Installed The USB to MONO8 interface is disabled Connectors Summary Pinout Name Reference Description Pinout MCU I O Connectors See schematic for pin explanation Soflec bi MICROSYSTEMS ZK HCO8LX A User s Manual Reference Description Pinout RST_IN and RST_OUT 1 RST_IN 2 RST_OUT Ground Test Point EMONO8 Connector 1 RST EMONO8 Connector RST_OUT GND RST_IN RST TGT_IRQ IRQ N C N C TGT_PTAO 10 PTAO 11 TGT_PTA1 12 PTA1 13 TGT_PTA2 14 PTA2 15 TGT_PTC1 16
9. t important A RESET section containing the push button connected to the MCU s reset pin through a basic RC network An INPUTS section containing Four push buttons together with jumpers to connect disconnect them to from the microcontroller s PTA 4 1 lines Eight general purpose DIP switches together with jumpers to connect disconnect them to from the microcontroller s PTD 7 0 lines A potentiometer together with a jumper to connect disconnect it to from the microcontroller s PTA5 ADC1 pin An OUTPUTS section containing An 8 digit 14 segment Liquid Crystal Display LCD Soflec MICROSYSTEMS Page 2 ZK HCO8LX A User s Manual Eight high efficiency low current LEDs connected to port PTF together with eight jumpers to connect disconnect each of the eight LEDs to from their respective port PTF pins A RS 232 section providing one RS 232 channel connected to the microcontrollers SCI serial communication interface The microcontrollers PTBO TXD and PTB1 RXD lines are used by the RS 232 channel Use the TX ENA and RX ENA jumpers in the RS 232 section of the board to select whether to use the RS 232 or to free the microcontrollers PTBO TXD and PTB1 RXD lines A 9 pin D Sub female connector is provided for the RS 232 channel A prototype area features both a standard thru hole area for mounting traditional components and a SMD area for soldering S
10. y driven by the MON08 CONNECTORS and USB TO MONO8 INTERFACE sections of the board is present which allows the automatic power on and off of the board for entering the monitor mode An additional linear power supply regulator provides the 5 0 V voltage required by the USB TO MONO8 INTERFACE section A built in USB TO MONO8 INTERFACE section which allows the host PC to communicate with the microcontroller through a standard USB interface USB 2 0 is fully supported When using an external in circuit debugger via the MONO8 or EMONO8 connectors the USB TO MONO8 INTERFACE circuitry must be bypassed by removing all of the ENA jumpers in this area Two connectors for external in circuit debugging programming Even though the Starter Kits feature a built in USB to MONO8 interface two additional separate MONO8 connectors are present which allow an external in circuit debugger to be used The EMON08 Enhanced MONO8 connector is used by in circuit debugging tools such the Freescale ICS system or the SofTec Microsystems inDART HCO8 other tools instead use the MONO8 connector If you use an external in circuit debugger programmer an additional VDD CTRL connector allows you to control the Starter Kits VDD voltage using the external tool s power control The output impedance both low and high of the external tool driving the VDD CTRL connector s VDD_CTRL signal is no
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