testing the pic microcontroller

... executed when the PIC microcontroller is switched on (or reset) is called the reset vector, and points to address 1FFh for the PIC5 4 We want the PIC microcontroller to begin at the place in the program ... ‘Blow’ or ‘fuse’ the PIC microcontroller This feeds the program you’ve written into the actual PIC microcontroller Let’s look at some of these in more detail Choosing your PIC microcontroller ... circuit Blowing the PIC microcontroller The final step involves actually putting the program into the PIC microcontroller You should only this once you have tested the program, either through simulation...

Ngày tải lên: 12/12/2013, 22:42

... pins The picture below shows what a microcontroller looks like inside Physical configuration of the interior of a microcontroller Thin lines which lead from the center towards the sides of the microcontroller ... which is equal to T, and in the end, or after the 8th bit, let us bring the logical unit "1" back on the line which will mark the end of the transmission of one data The protocol we've just described ... connecting inner blocks with the pins on the housing of the microcontroller so called bonding lines Chart on the following page represents the center section of a microcontroller http://www.mikroelektronika.co.yu/english/product/books/PICbook/1_Poglavlje.htm...

Ngày tải lên: 25/01/2014, 16:20

... Tools Chapter 28 39 The Microchip PIC Microcontroller Accessing the Microchip Web Site 43 PIC Microcontroller Feature Summary 48 Features Unique to the PIC Microcontroller PIC Microcontroller Families ... Unlike the previous edition there is no CD-ROM included with this book and there is no PCB for the user to build their own PIC microcontroller programmer (although the design for the PIC microcontroller ... require eliminating the need for any additional I/O peripheral chips I don’t like to call the PIC1 8 the “high end” of the PIC microcontroller line due to the recent introduction of the PIC2 4 16 bit...

Ngày tải lên: 20/02/2014, 17:20

... pins The picture below shows what a microcontroller looks like inside Physical configuration of the interior of a microcontroller Thin lines which lead from the center towards the sides of the microcontroller ... which is equal to T, and in the end, or after the 8th bit, let us bring the logical unit "1" back on the line which will mark the end of the transmission of one data The protocol we've just described ... connecting inner blocks with the pins on the housing of the microcontroller so called bonding lines Chart on the following page represents the center section of a microcontroller http://www.mikroelektronika.co.yu/english/product/books/PICbook/1_Poglavlje.htm...

Ngày tải lên: 27/06/2014, 00:20

... Tools Chapter 28 39 The Microchip PIC Microcontroller Accessing the Microchip Web Site 43 PIC Microcontroller Feature Summary 48 Features Unique to the PIC Microcontroller PIC Microcontroller Families ... Unlike the previous edition there is no CD-ROM included with this book and there is no PCB for the user to build their own PIC microcontroller programmer (although the design for the PIC microcontroller ... require eliminating the need for any additional I/O peripheral chips I don’t like to call the PIC1 8 the “high end” of the PIC microcontroller line due to the recent introduction of the PIC2 4 16 bit...

Ngày tải lên: 12/08/2014, 23:21

... pPIC_ MCU_P/N.inc where PIC_ MCU_P/N is the PIC microcontroller part number For example, the include file for the PIC1 6F84A is p16f84a.inc and the include file for the PIC1 2C508 is p12c508.inc ... H’0FFF’ LIST At the start of the file, the PIC microcontroller specified within MPLAB is checked against the file to make sure they match When MPLAB has a PIC microcontroller selected, the part number ... address within the PIC microcontroller s program memory space or by the line they are found on in the source code The next section in the listing file is a list of all the labels in the application...

Ngày tải lên: 12/08/2014, 23:21

... PIC microcontroller oscillator, reinitializes the PIC microcontroller hardware, and holds the PIC microcontroller in an inactive state until the _MCLR line goes high again The typical PIC microcontroller ... you want to add the contents of two registers together, you would first move the contents of one register into the w register and then add the contents of the second to it The PIC microcontroller ... byte In the PIC microcontroller, the carry flag is really a positive flag when it comes to subtraction If the carry flag is set, then the result is or positive If the carry flag is reset, then the result...

Ngày tải lên: 12/08/2014, 23:21

... you are familiar with the other PIC microcontroller families The PIC1 8 has the btfsc, btfss, goto, and call of the low-end and mid-range PIC microcontrollers along with the compare and skip on ... together is Load the accumulator with the first additional RAM Add the second additional RAM to the contents of the accumulator Store the contents of the accumulator into the destination In PIC microcontroller ... to clear the carry flag at the start of the sequence: movf subwf movwf movf subfwb movwf C, w, B, w, A, B + 1, w, C + 1, w, A + 1, Another difference between the PIC1 8 and the other PIC microcontroller...

Ngày tải lên: 12/08/2014, 23:21

... through the USB If you cannot use the UART port, then there are a number of other interfaces that can be used, including I2C, with the PIC microcontroller as a slave device SPI, again with the PIC microcontroller ... synchronize the transfer of the application file to the PIC microcontroller (waiting for the PIC to program the data into its program memory) The need for synchronizing the write of program memory with the ... this is common in many other microcontrollers, the PIC1 8C601 and PIC1 8C801 are the only members of the PIC microcontroller family that are shipped without any memory These chips are designed...

Ngày tải lên: 12/08/2014, 23:21

... into the PIC microcontroller, then one is known as CCP1 and the other as CCP2 In the case where two CCP modules are built in, then all the registers are identified with the CCP1 or CCP2 prefix The ... resolution that there will be an accurate representation of the timing Compare mode changes the state of the CCPx pin of the PIC microcontroller when the contents of TMR1 match the value in the CCPRxM ... system processor On power-up, the PIC microcontroller holds the processor reset until Vcc has stabilized, and then the TMR1 is reset each time the system writes to the PIC microcontroller System reset...

Ngày tải lên: 12/08/2014, 23:21

... are somewhat off the exact specified values The second is that you probably will see the temperature creep up if the thermistor is close to the PIC microcontroller as the PIC microcontroller warms ... on the line When the transmission has been completed, the remote PIC1 6HV540 stops driving the RS-485 line (at which point the PIC1 6F877 resumes driving the line high) After the remote PIC microcontroller ... responded to the PIC1 6F877, it polls the DS1820 for the current temperature This temperature is transmitted back to the PIC1 6F877 the next time the ping character is received The PIC1 6F877 polls the remote...

Ngày tải lên: 12/08/2014, 23:21

... without the current PIC microcontroller architecture family While the register addresses are very similar between PIC microcontrollers of the same architecture family, remember that the bits in the ... 1.25 V PIC1 8 The unique hardware registers built into the PIC1 8 are defined in Table B.36 Note that these registers are accessed either via the access bank or by using the BSR set to 0x0F If the ... different PIC microcontrollers have different via, pad, and clearance specifications LOW-END When describing low-end PIC microcontrollers, I also include the PIC1 2C50x and the PIC1 6C505, which use the...

Ngày tải lên: 12/08/2014, 23:21

... dividing the total number by (which is the number of loops required) and then loading the w register with the value (which changes the w register) and then writing to the DlayCount variable, I set the ... than the others that I have presented, but it uses the fewest PIC microcontroller I/O pins The circuit schematic for this interface was shown earlier in the book (as are the schematics for all the ... doing so at the end of the application for mid-range PIC microcontrollers and at the start of the application, after putting in a jump around the code, in low-end microcontrollers When the macro...

Ngày tải lên: 12/08/2014, 23:21

... Power-on-Reset, the circuit sets the default values for all the registers The transceiver will generate an interrupt request to the host microcontroller by pulling the IRO line low if one of the following ... goes high) if the data register is ready to receive another byte from the host microcontroller Note: The user must pay attention when using these registers as, at the initial state, these registers ... the document) The minimum recommended deviation is 30 kHz RX Baseband Bandwidth This is defined by the crystal accuracy and by the range requirement The longer the needed range, the smaller the...

Ngày tải lên: 11/01/2016, 17:03

... the 1D input On each \ at the Clock input C1 the data at the 1D input will be latched in to appear at the Q output As it is the complement of this output that is fed back to the input, then the ... Thus the latch is reset by pulsing the R input 30 The Quintessential PIC Microcontroller In the normal course of events – that is assuming that the R and S inputs are not both active at the same ... 2.14, when the switch is moved up and hits the contact the latch is set When the contact is broken, the latch remains unchanged, provided that the switch does not bounce all the way back to the lower...

Ngày tải lên: 08/03/2016, 11:14

... provides some simple projects using the PIC1 8F series of microcontrollers and the mikroC compiler All the projects are based on the PIC1 8F452 microcontroller, and all of them have been tested This chapter ... removed for any reason, the values of the latest readings are available in the EEPROM memory The PIC1 8F452 microcontroller has 256 bytes of EEPROM memory Other members of the PIC1 8F family have more ... to PIC microcontrollers as well as for those who want to extend their knowledge of programming PIC1 8F microcontrollers using the mikroC language Chapter covers the use of SD memory cards in PIC1 8F...

Ngày tải lên: 15/12/2016, 16:37

... to a given device must be unique The CPU puts the address on the address bus, and the decoding circuitry finds the device Data bus The CPU either gets data from the device or sends data to it Control ... University, TAIWAN 34 INSIDE THE COMPUTER Ex (cont’) The CPU decodes the instruction B0 The CPU commands its controller circuitry to bring into register A of the CPU the byte in the next memory location ... 04H After decoding, the CPU knows that it must add to the contents of register A the byte sitting at the next address (1403) After the CPU brings the value (42H), it provides the contents of register...

Ngày tải lên: 04/10/2013, 19:10

... altered to accommodate the changes below them The more tightly coupled the components are, the further and wider the changes will ripple through the system It leads to the effect known as collateral ... the official clean build environment If developers can’t run the unit tests on their local systems, then they will have difficulty writing the tests If the build system can’t run the tests, then ... through the Eclipse menus The test module is selected from the Package Explorer pane, or the appropriate editor is selected With the focus on the module, the Run menu is selected from either the...

Ngày tải lên: 05/10/2013, 09:20

Ngày tải lên: 19/10/2013, 14:15

Ngày tải lên: 23/10/2013, 12:15