PROGRAMMING AND CUSTOMIZING THE PIC MICROCONTROLLER 3rd phần 4 docx

... zeroed out (and become nops) and then are programmed into the PIC microcontroller. Before making the change, the programmer will issue an error message at the start indicating that the PIC microcontroller ... btfss, goto, and call of the low-end and mid-range PIC microcontrollers along with the compare and skip on equals (cpfseq), greater than (cpfsgt), and l...

Ngày tải lên: 12/08/2014, 23:21

... on the PIC MCU you are working with and the size and com- plexity of the function you wish to implement, the overhead of saving the data, calling the function, returning from the function, and ... used to synchronize the transfer of the application file to the PIC microcontroller (waiting for the PIC to pro- gram the data into its program memory). The ne...

Ngày tải lên: 12/08/2014, 23:21

... Tools 39 Chapter 2 The Microchip PIC Microcontroller 43 Accessing the Microchip Web Site 43 PIC Microcontroller Feature Summary 48 Features Unique to the PIC Microcontroller 54 PIC Microcontroller ... discover that the vast majority are designed around two or three part numbers (the PIC1 6F 84, PIC1 6C 54, and perhaps the PIC1 6F877). This is unfortunate...

Ngày tải lên: 12/08/2014, 23:21

... For example, the include file for the PIC1 6F84A is p16f84a.inc and the include file for the PIC1 2C508 is p12c508.inc. This is true for all the PIC microcontroller devices except for the origi- nal, ... 3.11 PIC MICROCONTROLLERS SUPPORTED BY PICC-LITE AND ANY PROGRAM SIZE LIMITATIONS PIC MICROCONTROLLER PART NUMBER LIMITATIONS PIC1 2F629 None PIC1 2F675 None PIC...

Ngày tải lên: 12/08/2014, 23:21

... than dif- ferences between the mid-range and low-end and PIC1 8 architectures. The unique fea- tures of the PIC1 7Cxx compared with the other PIC microcontroller s include 1 The ability to access external, ... of the PIC1 7, such as Fig. 6.22, further make you feel like the PIC1 7Cxx is unique and not that “portable” between the other PIC microcontroller archi...

Ngày tải lên: 12/08/2014, 23:21

... 16.8, the PIC microcontroller controls reset to the 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 ... high; this disables the 74LS3 74 s drivers, allowing the parallel data to be latched in. When the I/O pin is low, the 74LS 244 ’s drivers are dis- abled, and...

Ngày tải lên: 12/08/2014, 23:21

... triangle to the stand and screwed the stand to the base. After the glue and paint had dried, I inserted the LEDs into the holes and soldered their leads to the PCB. Total time working on the tree was ... on the line. When the transmission has been completed, the remote PIC1 6HV 540 stops driving the RS -48 5 line (at which point the PIC1 6F877 resumes drivi...

Ngày tải lên: 12/08/2014, 23:21

... Program/Emulator 15 16 17 18 19 20 RE0/_RD/*AN5 RE1/_WR/*AN6 RE2/_CS/*AN7 V dd RD0/PSP0 RD1/PSP1 Gnd 26 25 24 23 22 21 RD4/PSP4 RD5/PSP5 RD6/PSP6 RD7/PSP7 RD2/PSP2 RD3/PSP3 6 5 4 3 2 1 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 7 8 9 10 11 12 13 14 15 16 17 RB4 RB7/&PGD RB3/PGM RB2 RB1 RB0/INT RC7/RX/DT RC6/TX/CK RC5/SDO RC4/SDI/SDA RB6/&PGC RB5 RD4/PSP4 RD5/PSP5 RD...

Ngày tải lên: 12/08/2014, 23:21

... put all the I/O pins and the 4- bit DataPort on the same 8-bit I/O port. The reasons for doing this is that when using this code, writes to the DataPort will change the output values of other registers. ... 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 boo...

Ngày tải lên: 12/08/2014, 23:21

... around the PIC MCU, you would discover that the vast majority are designed around two or three part numbers (the PIC1 6F 84, PIC1 6C 54, and perhaps the PIC1 6F877). This is unfortunate because there ... by The McGraw-Hill Companies, Inc. Click here for terms of use. PROGRAMMING AND CUSTOMIZING THE PIC ® MICROCONTROLLER 1 1 EMBEDDED MICROCONTROLLERS The primary r...

Ngày tải lên: 20/02/2014, 17:20