MiniARM-2104 - SPJ Systems
Contents
1. only first 10 pins of JP2 maybe directly connected to 5X5 matrix keyboard If you buy 5X5 matrix keyboard from SPJ it includes a cable which can be directly connected to JP2 of MintARM 2104 Wooden Enclosure This is a simple wooden box very convenient for mounting the MiniARM 2104 and accessories If you buy MiniARM 2104 with this wooden box the MiniARM 2104 User s Manual Page 27 MiniARM 2104 board is fitted with screws inside the box In order to use the board the box must be kept open and then you may connect serial cable and power jack This enclosure also has sufficient space for accommodating the 5X5 matrix keyboard and upto 16X2 LCD module If you buy MiniARM 2104 LCD 5X5 Matrix Keyboard Wooden Enclosure from SPJ then all the above will be fitted inside the Enclosure only serial cable power adaptor and software CD will be outside it Page 28 MiniARM 2104 User s manual 7 MiniARM 2104 Applications The MiniARM 2104 evaluation board is designed for using in many different configurations Some of them are described here 1 As a test platform for LPC2104 based applications Using the default configuration you can download your program HEX file into the on chip Program memory of the processor and run it You can test your program at real time at a fraction of a cost of an In Circuit Emulator The sample programs provided with the MiniARM 2104 evaluation board include programs to interface with LCD2. 3V Pin 2 TRST of JTAG P0 17 Pin 3 TDI of JTAG P0 20 Pin 4 TMS of JTAG P0 18 Pin 5 TCK of JTAG P0 19 Pin 6 RTCK of JTAG Page 22 MiniARM 2104 User s manual Pin 7 TDO of JTAG P0 21 Pin 8 RST for JTAG Pin 9 GND J2 Connector Pin 1 GND Pin 2 SS P0 7 Pin 3 MISO P0 5 Pin 4 MOSI P0 6 Pin 5 SCK P0 4 Pin 6 Vcc Jumper Settings Description The JP5 jumper on the MinARM 2104 board can be used to control LCD backlighting JPS open gt backlighting off JPS short gt backlighting on MiniARM 2104 User s Manual Page 23 5 Running user programs on MiniARM 2104 The MiniARM 2104 includes LPC2104 micro controller It has 128KBytes of on chip flash program memory Further this program memory is In System Programmable ISP The ISP software courtesy of Philips Semiconductors is included on the accompanying CD It allows the user to download a program Intel HEX file directly into the processor Follow these simple steps to download your program into the uC and run it 1 Turn off power to the Min ARM 2104 2 Press the Mode selection switch SW1 It should stay in the pressed down position Page 24 MiniARM 2104 User s manual 3 Connect the MiniARM 2104 to the serial port of PC COM1 or COM etc Use the serial communication cable that was supplied with the board On the PC run the LPC200 ISP software This software is included on the CD that is supplie
3. It produces approximately 9 Volts DC and the Mini ARM 2104 uses an on board regulator to MiniARM 2104 User s Manual Page 9 provide 5 Volts DC to all components on the board Other on board regulators provide 3 3V and 1 8V DC to LPC2104 2 3 Connecting the system The Y splitter should be connected to 9 pin DSUB connector on the board The other end of this Y splitter has 2 DB9 connectors marked 0 and I The 2 serial communication cables supplied with the board can be connected to these 2 connectors Connector marked 0 is the default serial port of LPC2104 converted to 3 wire RS232 port This is used for programming the LPC2104 micro controller by connecting to PC and running Page 10 MiniARM 2104 User s manual appropriate ISP software Connector marked 1 is the second serial port of LPC2104 converted to 3 wire RS232 port Insert the power adaptor output jack into the on board power socket Plug the power adaptor into 230VAC mains outlet The system is now ready to be turned on MiniARM 2104 User s Manual Page 11 3 Hardware Description The MiniARM 2104 specifications The MintARM 2104 includes 1 The processor LPC2104 12 or 14 7456 MHz 2 LCD interface circuit with 16 pin connector for connecting text LCD module 3 Keyboard interface circuit and 12 pin connector for connecting 5 X 5 matrix keyboard 4 Two 3 wire RS232 Serial Ports in a single DB9 connector and 2 cables to conne
4. P0 30 Pin 10 P0 31 MiniARM 2104 User s Manual Page 19 Pin 11 GND Pin 12 Vcc The 8 pins of port PO are pulled up with on board resistors of value 10K JP3 Connector This is a dual line 20 pins 10X2 connector The pin description is Pins 1 2 Vcc Pins 3 5 7 9 11 13 P0 4 to P0 9 Pins 15 17 P0 2 P0 3 Pins 4 6 P0 1 P0 0 Pins 8 10 12 14 16 18 P0 16 to P0 21 Pins 19 20 GND Referring to Figurel the pin in left top corner of JP3 is pin number 1 and right top corner is pin number 2 Pins on the left are numbered 1 3 5 19 Page 20 MiniARM 2104 User s manual from top to bottom Pins on the right are numbered 2 4 6 20 from top to bottom Port pins P0 2 and P0 3 are also used as SCL and SDA respectively for 2C bus These pins are also available on JP3 connector so user may add more PC devices on the same bus externally JP4 Connector This is a 16 pin single line connector designed for connection to standard text LCD modules The pin signal correspondence is designed to be matching with that required by such LCD modules Pin 1 GND Pin 2 Vcc Pin 3 Vled Pin 4 P0 15 Used as RS of LCD Pin 5 GND Pin 6 P0 14 Used as EN of LCD Pin 7 to 10 No Connection MiniARM 2104 User s Manual Page 21 Pin 11 to 14 P0 10 to P0 13 Used as D4 D7 of LCD Pin 15 Backlighting Pin 16 GND J1 Connector J1 is 9pins 9X1 connector for JTAG The pin description is Pin 1 VDD 3
5. User s Manual Edition 1 2 May 2005 for MiniARM 2104 Evaluation Board SPJ Systems 101 Beaver Grandeur Baner Road Pune 411045 INDIA Tel 91 20 27293002 Fax 91 20 27293003 http www spjsystems com Page 2 MiniARM 2104 User s manual DISCLAIMER User s Manual and other documentation This user s manual and the accompanying documentation such as schematic diagrams in soft or hard form contains descriptions of copyrighted products which are not explicitly indicated as such The absence of the trademark symbol does not infer that a Product is not protected Additionally registered patents and trademarks are similarly not expressly indicated in these documents The information in these documents has been carefully checked and is believed to be entirely reliable However SPJ Systems assumes no responsibility for any inaccuracies SPJ Systems neither gives any guarantee nor accepts any liability whatsoever for consequential damages resulting from the use of these documents or associated product SPJ Systems reserves the right to alter the information contained herein without prior notification and accepts no responsibility for any damages that might result Additionally SPJ Systems MiniARM 2104 User s Manual Page 3 offers no guarantee nor accepts any liability for damages arising from the improper usage or improper installation of the hardware or software SPJ Systems further reserves the right to alter t
6. and matrix keyboard etc Thus you can connect the required peripherals externally and have your application ready in a short time MiniARM 2104 User s Manual Page 29 4 To quickly implement prototype of any product 5 As an experimenting platform for self learning or for training
7. board Doing so may cause permanent damage to the board It will also make the warranty void Page 15 MiniARM 2104 User s Manual Page 16 MiniARM 2104 User s manual Figure 1 MiniARM 2104 component locations MiniARM 2104 User s Manual Page 17 Description of items in Figure 1 1 Reset Push button S2 2 Keyboard 5X5 matrix connector JP2 3 Mode selection switch Program Run S1 4 program mode indicator LED D2 5 Port pins connector JP3 6 Variable resistor for Contrast Adjustment 7 Connector for LCD JP4 8 Serial port connector P1 9 Power regulator 10 Power input socket JP1 11 power on indicator LED D3 12 DaughterBoard to host LPC2104 uC 13 J2 connector for SPI on the daughter board 14 J1 connector for JTAG on the daughter board Page 18 MiniARM 2104 User s manual Connector Details P1 Connector This is a DB9 female connector used for RS232 serial communication with the PC Pin 2 RS232 RxDO0 input to uC Pin 3 RS232 TxDO output of uC Pin 5 Ground Pin 4 RS232 RxD1 input to UC Pin 6 RS232 TxD1 output of uC All other pins of P1 are unused JP2 Connector This connector is designed for connection to 5X5 matrix keyboard however the same connector can be used for general purpose I O or any other purpose It essentially contains some port pins and Vcc and GND Here is the pin description Pin 1 to 8 P0 22 to P0 29 Pin 9
8. ct to PC A Y splitter is also supplied to split the on board DB9 connector into 2 separate DB9 connectors for the 2 serial ports 5 Regulators to supply 5V 3 3V and 1 8V to the MiniARM 2104 board Page 12 MiniARM 2104 User s manual 6 DC adaptor 230 VAC input 9 VDC output 50 mA which can be directly connected to the board only included in India 7 CD ROM containing a Evaluation version of SPJ Systems SCARM C Compiler for ARM b Sample programs to access LCD serial port RTC etc c LPC2000 ISP software courtesy of Philips Semiconductors 8 Unused optionally used port pins are available on convenient connectors 9 Push button to reset re start the micro controller 10 Toggle switch to change between RUN mode and ISP mode 11 64K I2C compatible EEPROM 12 LC compatible Real Time Clock RTC with battery MiniARM 2104 User s Manual Page 13 Please note the LCD or keyboard is NOT supplied with the MiniARM 2104 Those can be bought separately and connected to MiniARM 2104 Page 14 MiniARM 2104 User s manual 4 Connector Details and Jumper Settings Figure 1 shows the locations of different components on the board The MiniARM 2104 comprises of a baseboard and a daughter board The LPC2104 micro controller is soldered on the daughter board The dashed polygon in Figurel is approximate representation of the daughter board CAUTION Please do not attempt to separate the daughter board from base
9. d with MiniARM 2104 Follow the instructions given in this ISP software to erase program the on chip flash of LPC2104 When the software prompts you to reset the processor you may momentarily press the RESET switch on the board Turn off power to the MiniARM 2104 Press the mode selection switch SW1 once again Now it should stay in the up position Turn on power to the MiniARM 2104 and your program should run MiniARM 2104 User s Manual Page 25 6 Optional Accessories of MiniARM 2104 This chapter describes optional accessories of the MiniARM 2104 evaluation board LCD module Number of different types of LCD modules can be connected to MiniARM 2104 For example 16 char X 1 row 16 char X 2 rows 16 char X 4 rows and so on Most LCD modules use the same pin connections as connector JP4 of Mini ARM 2104 Hence a simple one to one cable maybe used to connect such an LCD module to Min ARM 2104 In case you plan to use an LCD module which has different pin connections than JP4 then you must Page 26 MiniARM 2104 User s manual not use one to one cable If you buy LCD module from SPJ it includes a cable which can be directly connected to JP4 of MiniARM 2104 5X5 Matrix Keyboard This is a simple matrix keyboard with 25 keys organized as 5X5 The JP2 connector of MiniARM 2104 is designed to connect to such a keyboard The JP2 connector also include Vcc and GND pins which are not required by the keyboard Hence
10. he layout and or design of the hardware without prior notification and accepts no liability for doing so SPJ Systems 101 Beaver Grandeur Baner Road Baner Pune 411045 India Phone 91 20 27293002 Fax 91 20 27293003 Email spjOspjsystems com Web Site http www spjsystems com Page 4 MiniARM 2104 User s manual Table of Contents 1 INTRODUCTION sissssscsscssasstssassansssocnssasnsteceassasssessoavesioctorsensters 6 2 GETTING STARTED ooccnccnninninncnnosnononinnonosononosnocnncnoconconcnnconoss 8 ZA UNPACKIN Gia 2 2 POWER SUPPLY REOUIREMENTS 2 3 CONNECTING THE SYSTEM coccoccnccconncnnnnonncnncnanocononancnnncnnncnnos 9 3 HARDWARE DESCRIPTION sseeeeennnen 11 THE MINIARM 2104 SPECIFICATIONS concccnonconncinncnnccinninnocns 11 4 CONNECTOR DETAILS AND JUMPER SETTINGS PI TR M TA 14 DESCRIPTION OF ITEMS IN FIGURE Lu 17 PACONNEELOV iiri air taa a ada aaa etes Re 18 FP 2C ONNC CIOL Sisk a Reve ee ns 18 IPS Connector E ds 19 JPA Connector A de dd dol 20 JUMPER SETTINGS DESCRIPTION suisses 22 5 RUNNING USER PROGRAMS ON MINIARM 210423 MiniARM 2104 User s Manual Page 5 6 OPTIONAL ACCESSORIES OF MINIA RM 2104 25 LCD MODULE ile 25 5X5 MATRIX KEYBOARD nn 26 WOODEN ENCLOSURE ssccsssseseeseseeseesesesceseeaensesescesseseneenenees 26 Page 6 Mini ARM 2104 User s manual 1 Introduction This is user s manual for MiniARM 2104 Evaluation Board for LPC2104 micro control
11. ler This is a general purpose board designed as a development tool this board has a facility to download HEX file into the on chip flash code memory of the micro controller It is strongly recommended to read this manual carefully before you start using the Mini ARM 2104 board CAUTION This board contains components that are sensitive to EletroStatic Discharge ESD The board must be handled carefully so as not to subject 1t to ESD As far as possible do not touch any conducting part on the board including any component or connector pins as this may damage MiniARM 2104 User s Manual Page 7 parts of the board permanently If you must touch any of the parts make sure to discharge yourself to earth Parts damaged due to ESD are not covered by the limited warranty Page 8 MiniARM 2104 User s manual 2 Getting Started 2 1 Unpacking You will find following items in the package e MiniARM 2104 board e 2 Serial communication cables e Y splitter e Power adaptor with cable e SPJ Systems CD ROM Power adaptor is included only 1f the board is shipped in India If the board is shipped to any country other than India only a power jack with a pair of red and black wires is supplied The user is required to provide nominal 9VDC supply across the 2 wires Red positive Black negative This supply voltage maybe in the range 8 to 11 VDC 2 2 Power Supply Requirements The power adaptor works with 230Volts AC
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