User`s Manual for ETM131 Embin Technologies Pvt. Ltd
Contents
1. 162. Embin Technologies Pvt Ltd ETM131 User s manual Sombin User s Manual for ETM131 Embin Technologies Pvt Ltd First Floor Tri Murti Towers Plot No 34 Gorai l Borivali W Mumbai 400091 India Telefax 91 22 28685660 E Mail customer support embin com http www embin com Embin Technologies Pvt Ltd 5 7 Fse Ben A AAA nda 1 1 Ethernet Connectivity cence om ee 1 2 Serial EEPROM darnia li ras a ls 2 Getting Started bana Kamen ana ab an 201 ETM 31 Includes cuco ere Pee nan ate nga aan ata aman ETM1 Contents 2 2 Power Supply Reguirements o ooo o ooWooWomm 9 2 3 Configuring the system 3 Board Description 4 Connector details and 4 1 ETM131 board Layout jumper SettinQS o ooocccccnccnccnccnncnnnnanos 4 2 Connector amp Jumper details of ETM131 11 4 2 1 Port connector 4 2 2 Power Socket 4 2 3 Ethernet Connector 4 2 3 1 Ethernet Connector CN5 mmm AN 4 2 4 Output and Input Connectors eee ce cee ew oo 11 CD CON TENIS iii ddr Run your Programs Applications ensia leo aaa 7 1 Ethernet Module o ooooooormo Wom oo mWo WommomWom mma aman aa 31 User s manual Embin Technologies Pvt Ltd ETM131 User s manual 1 Introduction Embin s ETM131 is a Serial to Ethernet Converter module with 8051 ETM131 can be used extensively to read the data over the serial po
3. Microcontroller to transfer the data from Microcontroller to the Ethernet RTL8019AS is used in ETM131 Ethernet connectivity is the main feature of ETM131 So that one can use it according to the need RTL8019AS is connected to the Microcontroller through the portO and port2 In ETM131 RTL8019 we have used in 8bit mode in interrupt mode The fallowing are the features of the RTL8019 if user wants to implement his own development he can implement on this features The RTL8019AS is a highly integrated Ethernet Controller With the three level powers down control features the RTL8019AS is made to be an ideal choice of the network device for a GREEN PC system The full duplex function enables simultaneously transmission and reception on the twisted pair link to a full duplex Ethernet switching hub This feature not only increases the channel bandwidth from 10 to 20 Mbps but also avoids the performance degrading problem due to the channel contention characteristics of the Ethernet CSMA CD protocol The Microsoft s Plug and Play function can relieve the users from pains of taking care the adapter s resource configurations such as IRQ I O and memory address etc However for special applications not to be used as a Plug and Play compatible device the RTL8019AS also supports the jumper and proprietary jumper less options To offer a fully plug and play solution the RTL8019AS provides the auto detect capability between the integrated 10BaseT transceiver BNC
4. OM1 COM2 of computer Press the programming switch S1 so that it remains in down position Power on the Board switch the mains supply The green led on board should light up indicating proper power supply The red led should also light up indicating program mode Run the WINISP software Under the parameters heading select the following CHIP 89V51RD2 PORT COM1 COM2 OSC Mhz 12 Using the LOAD Alt L button load the appropriate HEX File or hello Hex file provided in CD Click the ERASE BLOCK Alt E button select the flash memory block to be erased Click the ERASE Button the selected block will flash 13 Embin Technologies Pvt Ltd ETM131 User s manual with Pink color Once completed the Block Erase Selection window will close Q Press the PROGRAM PART Alt P button wait till the Status Display shows Programming Flash Successful is displayed a Now close the WINISP software amp switch off the mains o Pressthe programming switch S1 again so it comes in up position a Open the hyper terminal if hello Hex file is loaded amp select the baud rate to 9600 Set Data Bits 8 parity bit None Echo Off a Switch on the Board power which will run hello Hex file displaying the string Press Enter for configuration in the hyper Terminal 14 Embin Technologies Pvt Ltd ETM131 User s manual 7 Applications Q ETM131 can be used to send Serial data to Ethernet and to Explore the 8051 c
5. To 8019 P1 To Pin45 P2 To Pin46 P3 To Pin59 P4 To Ground P6 To Pin58 P7 To Ground CN 1 to base board CN3 CN1 1 NC CN1 2 SDO Data Bus CN1 3 SD1 Data Bus CN1 4 SD2 Data Bus CN1 5 SD3 Data Bus CN1 6 SD4 Data Bus CN1 7 SD5 Data Bus CN1 8 SD6 Data Bus CN1 9 SD7 Data Bus CN2 to base board CN4 CN2 1 Vcc CN2 2 SDO Address Bus CN2 3 SD1 Address Bus CN2 4 SD2 Address Bus CN2 5 SD3 Address Bus CN2 6 SD4 P3 2 CN2 7 SD5 Address Bus CN2 8 SD6 Address Bus CN2 9 SD7 Address Bus CN2 10 SD8 Address Bus CN2 11 SD9 Address Bus CN2 12 SD2 NC 11 Embin Technologies Pvt Ltd ETM131 User s manual 5 CD Contents o WINISP software a KEIL Compiler Evaluation version 2K code size o Sample C codes for Serial to Ethernet conversion 12C EEPROM 12 Embin Technologies Pvt Ltd ETM131 User s manual 6 Run your Programs The ETM131 main micro controller is 89V51RD2 which has on chip 64k of flash 1k Ram The CD provided has the In System Programming software WINISP that is to be installed in your computer To install the WINISP software run the setup provided in the CD Software flow control Xon Xoff is required for communication Or the data should be within the maximum buffer size To Program download the hex file in the flash follow the below simple steps Download steps D D Connect the Power adaptor to the board do not switch on Connect the supplied serial cable to the board and the C
6. and AUI interface Besides the 10BaseT transceiver can automatically correct the polarity error on its receiving pair Furthermore 8 IRQ lines and 16 I O base address options are provided for grand resource configuration flexibility The RTL8019AS supports 16k 32k 8 64k byte BROM and flash memory interface lt also offers the page mode function which can Embin Technologies Pvt Ltd ETM131 User s manual support up to 4M byte BROM within only 16k byte system memory space Besides the BROM disable command is provided to release the BROM memory space for other system usage e g EMM386 etc after the BROM program is loaded The RTL8019AS is built in with 16K byte SRAM in a single chip Itis designed not only to provide more friendly functions but also to save the effort of SRAM sourcing and inventory Features of RTL80 19AS 1 2 10 11 12 13 14 15 16 100 pin PQFP RTL8019 software compatible Supports PnP auto detect mode RTL8019AS only Compliant to Ethernet Il and IEEE802 3 10Base5 10Base2 10BaseT Software compatible with NE2000 on both 8 and 16 bit slots Supports both jumper and jumper less modes Supports Microsoft s Plug and Play configuration for jumper less mode Supports Full Duplex Ethernet function to double channel bandwidth Supports three level power down modes Sleep Power down with internal clock running Power down with internal clock halted Built in data prefetch function t
7. ata Transfer Protocol 1 MHz 5V 400 kHz 2 7V and 100 kHz 1 8V Compatibility Write Protect Pin for Hardware and Software Data Protection 128 byte Page Write Mode Partial Page Writes Allowed Self timed Write Cycle 5 ms Max High Reliability Endurance 100 000 Write Cycles Data Retention 40 Years Embin Technologies Pvt Ltd ETM131 User s manual 2 Getting Started 2 1 ETM131 Includes ETM131 Package contents are Q ETM131 Board Q Serial Cross Cable a Power Adaptor a System CD ROM with Application programs 2 2 Power Supply Requirements ETM131 Board is provided with 9Volts output adaptor with 230V AC input The board has a 5Volts Regulator on board which provides supply to the entire device on the board 2 3 Configuring the system Connect the Serial cable provided to the DB9 connector on ETM131 board amp COM1 COM2 of the Computer Plug in the Power adaptor in 230VAC mains socket connect the 9V pin of power adaptor to the ETM131 board CN1 the board is now ready to be switched on As soon as the reset switch S1 is pressed configuration mode is shown on the hyper terminal as Please Enter for Configuration At this point press ENTER key quickly to configure the system Please follow according to the menu shown Embin Technologies Pvt Ltd ETM131 User s manual 3 Board Description a Philips 8 bit 80C51 compatible P8xC51RD2 Microcontroller DIP 40 PLCC 44 12 MHz clock freque
8. ncy a On chip FLASH o 64KB on chip FLASH with download utility for in System ISP FLASH Programming 1KB of on chip RAM a 512KB external serial 12C EEPROM o RS232 serial interface o Ethernet Connector RJ45 Q Single 5V power supply 4 Connector details and jumper settings The ETM131 board is available with Serial Connector and RJ45 for Ethernet data transfer through the microcontroller Below Sections give the Board layout amp Board Jumper Details Embin Technologies Pvt Ltd 4 1 ETM131 board Layout SE2105 86x63mm 23 9 05 4 2 Connector amp Jumper details of ETM131 4 2 1 Port connector PORTO CN3 Pin2 To 9 P0 0 To PO 7 PORT1 Max 232 P1 0 To Max pin9 P1 1 To Max pin10 PORT2 CN4 CN4 Pin3 P2 5 CN4 Pin4 P2 7 CN4 Pin5 P2 6 CN4 Pin7 P2 0 CN4 Pin8 P2 1 CN4 Pin9 P2 2 CN4 Pin10 P2 3 CN4 Pin11 P2 4 CN4 Pin6 P3 2 CN2 To MAX232 ETM131 User s manual Embin Technologies Pvt Ltd ETM131 User s manual CN2 Pin2 To Pin13 CN2 Pin3 To Pin14 CN2 pin5 To Ground CN2 pin7 To Pin7 CN2 ping To Ping CN1 power supply Jumper Jp2 Pin 1 Pin 2 Closed Non Inverted Interrupt Signal Pin 3 Pin 4 Closed Inverted Interrupt Signal default J1 is for company use CN3 of base board to CN1 of upper board CN4 of base board to CN2 of upper board Upper board Layout CH2 10 Embin Technologies Pvt Ltd ETM131 User s manual RJ45 CN5
9. o improve performance Supports UTP AUI amp BNC auto detect RTL8019AS only Supports auto polarity correction for 10BaseT Support 8 IRQ lines Supports 16 I O base address options and extra I O address fully decode mode RTL8019AS only Supports 16K 32K 64K and 16K page mode access to BROM up to 256 pages with 16K bytes page Supports BROM disable command to release memory after remote boot Embin Technologies Pvt Ltd ETM131 User s manual 17 18 19 20 21 Supports flash memory read write RTL8019AS only 16k byte SRAM built in RTL8019AS only Use 9346 64 16 bit EEPROM to store resource configurations and ID parameters Capable of programming blank 9346 on board for manufacturing convenience Support 4 diagnostic LED pins with programmable outputs 1 4 Serial EEPROM The AT24C512 provides 524 288 bits of serial electrically erasable and programmable read only memory EEPROM organized as 65 536 words of 8 bits each In ETM131 AT24C512 is connected to serially to Microcontroller at P1 6 and P1 7 12C bus for P89C668 This peripheral can be used in many industrial and commercial applications where low power and low voltage operation is essential Features of AT24C512 1 10 Low voltage and Standard voltage Operation 2 7 VCC 2 7V to 5 5V 1 8 VCC 1 8V to 3 6V Internally Organized 65 536 x 8 2 wire Serial Interface Schmitt Triggers Filtered Inputs for Noise Suppression Bi directional D
10. ore amp as a Test Platform to download the programs to 89V51RD2 flash to run the Program check the desired output if required change the program amp download it to the microcontroller flash without removing it from the board Q The Sample C code provided with the ETM131 module are self explanatory with comments that help you understand the Ethernet module 7 1ETM131 Download the hex file of simple keyboard program and open hyper terminal Configure it for the baud rate of 9600 and after pressing the key different messages are displayed as coded in source code After recognizing the key pressed in main routine passes only the value of the key and the routine takes the action with respect to the key value So for further changes to make it more useful the developers have to do few changes in getkey as per application a Launch the Hyper terminal program b Under Bits per second choose 9600 c Under Data bits choose 8 d Under Parity choose None e Under Stop Bits choose 1 f Under Flow Control choose Software flow control Xon Xoff or Hardware flow control CTS RTS 15 Embin Technologies Pvt Ltd ETM131 User s manual g Flow control Xon Xoff or None if data size is within the maximum buffer size 7 2EEPROM Source code for the EEPROM demonstrates how to store the Data in EEPROM by suing 12C protocol By using this sample code data can be stored and retrieved from EEPROM
11. rt and send the data via Ethernet in the packets format At the heart of the board is Phillips P89C51RD2 P89C668 this provides advance features like ISP The micro controller has 64KB flash memory and 1KB 8KB on chip RAM The Module board comes with RS 232 interface to allow user to program the micro controller directly from PC ETM131 board reads the data from any Serial Port and sends to the Ethernet LAN ETM131 is a unique hardware and software combination providing the serial data send through the Ethernet Hardware reference and software application programs also simplify 8051 based hardware and software development This board is also having the facility of Software flow control or Hardware flow control and No flow control you can select the Software flow control or Hardware flow control or no flow control option through the CONFIG menu SERIAL BUFFSIZE is 100bytes so without S W or H W flow control we can transfer the 100bytes at a time with out data loss The time gape between two transmissions should be approximately 5msec TCP packet size is 140bytes Before stating the data transfer the remote system which is collecting the data should be on otherwise the data may loss In the ETM131 no feature of checking whether remote system is connected or not Peripherals e Ethernet connectivity e Serial EEPROM e RS232 Serial Interface Embin Technologies Pvt Ltd ETM131 User s manual 1 1 Ethernet card connectivity To connect the
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