ENTESLA PIC KICK User Manual

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PIC KICK

USER MANUAL

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Page 1 PIC KICK USER MANUAL A product of...
Page 2 PIC Kick User Manual Features 1. On-board Microchip’s PIC18f4520 microcontroller with serial bootloader (External programmer not required*). 2. Power jack for an external power supply from 8 to 16V AC/DC. Alternatively the board can be powered through the on-board mini USB connector. 3. Connector to support MICROCHIP’s programming/debugging product line (ICD2, ICD3, PICkit2 and PICkit3) and similar development tools. 4. On board USB to Serial converter to implement UART communication using the standard USB port on the computer. 5. Direct Port Access to all the port pins for interfacing external circuits and ADD-ONs. 6. 16x2 Character LCD interface operating in 4-bit mode and a potentiometer to vary the contrast of Character LCD.
Page 3: Copyright Notice
PIC Kick User Manual Copyright Notice The contents in this document can be shared and used for educational and commercial purpose with a prior permission from ENTESLA. Disclaimer Reasonable care has been taken to prepare this document, but no guarantee is given to correctness of its content. Our products are under continual improvement and we reserve the rights to make changes without any notice. Trademark All trademarks are properties of their respective owners. MICROCHIP is a registered trademark of Microchip Technology Inc. ® Revision History Revision Revision History Date v1.0 First Release August 2011 Embedded Designs and Solutions...
Page 4: Table Of Contents
PIC Kick User Manual Table of Contents Section No. Section Name Page No. Copyright Notice Disclaimer Trademark Revision History Package Contents Getting Started Introduction Safety Instructions Power Supply 10. Microcontroller and Oscillator Circuit 11. Reset 12. Programmer/Debugger Interface 13. LEDs 14. Push Buttons 15. Analog Input 16. Character LCD (4-bit Mode) 17. UART 18. 19. Direct Port Access Embedded Designs and Solutions...
Page 5: Package Contents
PIC Kick User Manual Package Contents · PIC KICK development board with PIC18f4520 microcontroller. · USB Cable. · Character LCD. Getting Started 1. The PIC KICK Development Board ships with the following configuration · A PIC18f5420 microcontroller. · A 12MHz Crystal. · All jumpers in default position. The default position is marked by a bracketed white line set against the jumper position as shown in Figure.1.
Page 6: Introduction
PIC Kick User Manual Introduction Firstly we would like to thank you for your interest in PIC KICK development board. We here at ENTESLA believe in providing you quality development tools for realizing your innovative ideas in the field of embedded systems. PIC KICK is an embedded system development board for Microchip’s 40 pin 8-bit microcontroller. It is a low cost kick start board designed to help professionals, students and amateurs to explore the capability of PIC16, PIC18 architecture and practice application development for various interfaces with minimal hardware reconfiguration. The PIC KICK Development board comes with a user manual with schematics, demos and source codes for getting started with PIC18f4520 microcontroller. The user is free to use the libraries provided with the board and make changes suiting their needs. Safety Instructions § Read the user manual carefully for exact jumper position.
Page 7: Power Supply
PIC Kick User Manual Power Supply The PIC KICK development board can be powered either using an external power supply or USB. For external power supply, ensure that the output is in range of 8 to 16 Volts AC/DC with a minimum current rating of 200 mA. An onboard LM7805 voltage regulator is used to regulate the AC/DC input to +5V D.C output. Electrolytic capacitors are used to reduce the ripples in the voltage. The ceramic capacitors are used to suppress the high frequency noise present at the output of the voltage regulator.
Page 8: Microcontroller And Oscillator Circuit
PIC Kick User Manual Microcontroller and Oscillator Circuit The PIC KICK development board features Microchip’s PIC18f4520 microcontroller. The microcontroller features 1.5kB of RAM, 32kB of on-chip flash ROM and 256 Bytes of EEPROM. The Figure.5 below illustrates the microcontroller and the oscillator circuit. The development board comes with a replaceable 12MHz crytal oscillator. Using the internal PLL block of PIC18f4520, the processor can be clocked at upto 40MHz. Figure.5 Reset A reset is generated by holding the MCLR pin low. As shown in Figure.6. Reset button can be used to reset the microcontroller.
Page 9: Programmer/Debugger Interface
PIC Kick User Manual Programmer/Debugger Interface The PIC KICK Development board provides an option to program the microcontroller on-board using the on-chip serial bootloader or using an ICSP programmer. Programming using On-Chip bootloader The PIC18f4520 on PIC KICK development board ships with an on-chip serial bootloader. The USB-UART bridge can be used to download the program code into the internal flash rom. Figure.7 Programming using ICSP Programmer/Debugger The PIC18f4520 programmer can also be programmed/debugged by In-Circuit System Programming Interface (ICSP) using a compatible programmer/debugger such as PICkit or ICD.
Page 10: Leds
PIC Kick User Manual LEDs There are a total of 4 LEDs connected to the port pins of the microcontroller on PIC KICK Development Board. The LEDs are connected to PORT pins RD0, RD1, RD2, RD3. The jumper JP6 can be used to enable or disable the LEDs on the development board. The schematic of the LED interface is shown in Figure.11. The Figure.10 below shows the jumper position to enable the LEDs. Figure.11 Figure.10 Embedded Designs and Solutions...
Page 11: Push Buttons
PIC Kick User Manual Push Buttons The PIC KICK Development board has a total of 4 Push Buttons connected to port pins RA2, RA3, RA4, RA5 of the microcontroller. The port pins to which the push buttons are connected are pulled up to define a Logic ‘1’ when button is not pressed. On button press a Logic ‘0’ is applied to the microcontroller. The Figure.12 below shows the schematic for push buttons interfaced to the microcontroller. Figure.12 Figure.13...
Page 12: Character Lcd (4-Bit Mode)
PIC Kick User Manual Character LCD (4-bit Mode) PIC KICK Development board provides a connector to interface a Character LCD of 16 columns and 2 rows. Each character is made up of 5x7 pixels. The data lines of the CLCD are connected to higher nibble of PORTD and control lines to port pins RB2 and RB4. The Figure.16 illustrates the schematic for operating the LCD in 4-bit mode. Figure.16 Figure.18 Figure.17 A potentiometer POT1 is provided to manually control the contrast of the LCD. Note: Do not plug the CLCD into its connector while the power is switched ON. It may damage the CLCD permanently. Embedded Designs and Solutions...
Page 13: Uart
PIC Kick User Manual UART The PIC18f4520 microcontroller features an on chip Enhanced USART peripheral. PIC KICK development board features an on-board USB-UART bridge for establishing a UART communication between the microcontroller and a computer. To isolate the USB- UART bridge for access of the RX, TX, RTS and CTS pins at the direct port access section the jumper JP7, JP8, JP9 and JP10 should be removed. Figure.19 Figure.20 FYI: The PIC KICK development board can be powered using the USB provided in the USB-UART bridge section. Embedded Designs and Solutions...
Page 14: Usb
PIC Kick User Manual The PIC KICK development board features an on-board USB connector for devices such as PIC18f4550 featuring an on-chip USB peripheral. The USB birectional lines D+ and D- can be connected with such microcontrollers using jumpers JP2 and JP3. An external 470nF capacitor is necessary to stabilize the voltage of the internal 3.3V regulator of the microcontroller. The capacitor can be connected by placing the jumper JP4 as shown in Figure.19. An LED is provided as a USB link indicator. Figure.19 Figure.20 Embedded Designs and Solutions...
Page 15: Direct Port Access
PIC Kick User Manual Direct Port Access The PIC KICK development board provides access to PORTA, PORTB, PORTC, PORTD and PORTE in the Direct Port Access section. The user can connect ADD Ons and other external circuits to this section using jumper wires or a flat ribbon cable. Figure.21 Note: The port pins RA6 and RA7 are not available on the direct port access section since an external crystal is connected to these pins. Embedded Designs and Solutions...
Page 16 PIC Kick User Manual Notes For solutions, query or feedback regarding the development tool, source code or the user manual feel free to contact us at support@entesla.com or post the same at www.entesla.com/forums. For business proposals or any other queries contact@entesla.com Embedded Designs and Solutions...
Page 17 PIC Kick User Manual Notes For solutions, query or feedback regarding the development tool, source code or the user manual feel free to contact us at support@entesla.com or post the same at www.entesla.com/forums. For business proposals or any other queries contact@entesla.com Embedded Designs and Solutions...
Page 18 Embedded Designs and Solutions www.entesla.com For solutions, query or feedback regarding the development tool, source code or the user manual feel free to contact us at support@entesla.com or post the same at www.entesla.com/forums. For business proposals or any other queries contact@entesla.com...