BiPOM Electronics MINI-MAX/51-C2 Technical Manual Download Page 12 | Manualshive

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7. Schematics

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Summary of Contents for MINI-MAX/51-C2

Page 1: ...e Board Computer Technical Manual Date 4 March 2005 Document Revision 1 02 BiPOM Electronics 16301 Blue Ridge Road Missouri City Texas 77489 Telephone 1 713 283 9970 Fax 1 281 416 2806 E mail info bipom com Web www bipom com ...

Page 2: ... option replace or repair the board This warranty is voided if the product is subjected to physical abuse or operated outside stated electrical limits BiPOM Electronics will not be responsible for damage to any external devices connected to MINI MAX 51 C2 BiPOM Electronics disclaims all warranties express or implied warranties of merchantability and fitness for a particular purpose In no event sha...

Page 3: ...pheral boards http www bipom com peripherals shtm Microchip PIC16F818 secondary micro controller to provide In circuit Programming of the main Flash micro controller through the RS232 Serial Port and to provide 5 channel 10 bit ADC using the 4 096V internal or an external voltage reference source On board 5 Volt regulator 6 VDC power supply Other 6 to 12VDC power sources can be used Dimensions of ...

Page 4: ... diagram of the MINI MAX 51 C2 system Figure 1 AT89C51ED2 Controller PIC16F818 controller Expansion connector LCD connector 22 MHZ Crystal 24C04A EEPROM 6 12V Power connector 5 volt Regulator Analog Input Connector Keypad connector RS232 connector ...

Page 5: ...ed remotely over the RS 232 interface using a second micro controller on the board PIC16F818 The in circuit programming feature simplifies program development on the board since downloading programs from a host PC takes only few seconds User programs can also be debugged over the serial port 8051 52 BASCOM51 SDCC development systems based on Micro IDE Integrated Development Environment from BiPOM ...

Page 6: ...RS232 port can be used by both a PC for In circuit Programming of the T89C51ED2 through PIC16F818 microcontroller and by T89C51ED2 for data communications RTS line is used by an external host such as a PC to put MINI MAX 51 C2 in program or run mode Therefore user applications must not use RTS Many users try to use HyperTerminal to send some data bytes to a Mini Max 51 C2 board HyperTerminal force...

Page 7: ...xpansion bus The 16 control pins and 5 Volt power supply pins are available on the 20 pin connector J4 for interfacing to existing peripheral boards A peripheral board can be connected to MINI MAX 51 C2 either as a piggyback daughter board using standoffs or can be placed away from the MINI MAX 51 C2 board using a 20 wire ribbon cable Part EXPCABLE 6 Table 4 shows the pin assignments for the conne...

Page 8: ... Volts unregulated DC power supply Other power supplies can also be used External power supply should be able to supply 6 to 12 Volts DC at minimum 200mA current more if peripheral boards will be used The inner pin of the supply connector is positive and the outer ring is negative WARNING Correct polarity should be observed when applying external DC supply to Power connector MINI MAX 51 C2 has an ...

Page 9: ... Card socket RTC board MMC RTC board A peripheral board with four 7 segment LED displays with decimal point LED 1 Peripheral boards can either be stacked on top of MINI MAX 51 C2 using stand offs or connected in a chain configuration using flat ribbon cable Figure 2 shows how MINI MAX 51 C2 can be connected to a peripheral board in a stacked fashion Figure 3 shows chain connection PERIPHERAL BOARD...

Page 10: ... system from http www bipom com 8051dev shtm http www bipom com bascom51 shtm http www bipom com sdcc shtm Any of the development systems provides MINI MAX 51 C Loader Also stand alone loaders are available to download program codes to the Mini Max 51 C2 Windows MINI MAX 51 C Command line Loader DOS MINI MAX 51 C Command line Loader WinLoad Windows Loader Please visit http www bipom com mm51csoft ...

Page 11: ... 6 Board Layout Layout of MINI MAX 51 C2 board is shown below Expansion Connector EEPROM Socket Analog Terminals AT89C51ED2 CPU Keypad Connector LCD Connector Voltage Regulator Power Connector RS 232 Port ...

Page 12: ...12 7 Schematics ...

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