The pic16f690 has twelve analog input pins an0 through an11. The pic16f685 687689690 has a bit program counter capable of addressing an 8k x 14 program memory space. The diy kit 150 programmer has a firmware chip a pic16f628a which can only be used with the corresponding verison of micro pro. Sen0193 capacitive soil moisture sensor contents 1 introduction.
The code below will continuously sample a voltage on channel 4 of the ad converter and display the 10bit result in a 16bit format ie, 0x0000 0x03ff on the lcd screen. Pic16f690 datasheet, pic16f690 circuit, pic16f690 data sheet. How to program microchip pic analog to digital converter. As discussed in the digital io section, in order to enable the analog function for a pin, the corresponding bit must be set in the ansel or anselh register to explain the use of the adc, lets look at a basic example taking a single reading. We usually start with the pic16f690 microcontroller since it has just about. Precision internal oscillatorsoftware selectable 8 mhz 32 khz.
Pic16f690 spi example codes datasheet, cross reference, circuit and application notes in pdf format. Pic16f685687689690 data sheet 20pin flashbased, 8bit cmos microcontrollers with. Limitations pic16f648a family limitations pic16f690 family limitations. The code we write in the compiler generates a hex file that is. Also make sure that your communication waveforms resemble figure 16 of datasheet. Pic16f690 is an 8bit pic microcontroller, developed by microchip, that comes with 20pin interface. If you have pdf s or other such tutorials, please let me know. Pic usually pronounced as pick is a family of microcontrollers made by microchip. As far as the timing values defined, they seem to verify with the fast mode min values specified in table of tmp112 datasheet. The adc block diagram for the pic16f690 is shown in figure 1. Universal pic bootloader for the pic18f, pic24f, pic24h, dspic30f and. I recently spotted a nice little compact development board for the pic12f675, since this was a pic that i hadnt looked at i decided to buy one. If you are using interrupts, you must tell xc8 which function in your code is the interrupt handler.
Analog to digital converter adc beginners guide to. Programming examples using the pic16f1xxx mcu developer help. Third party and some opensource tools are also available. Blog entry pic analog to digital converter c programming january 18, 2009 by rwb, under microcontroller the pic16f690 microcontroller is one of microchip midrange 8bit microcontroller that has a build in 10bit resolution of analog to digital converter adc peripheral. Pic16f690 4096 256 256 18 12 2 21 yes yes yes io pin analog comparators timers interrupt pullup basic. A huge amount of pic sample code in c, over 55 projects. Datasheet search engine for electronic components and semiconductors. Nxp io expanders provide a simple solution when additional ios are needed while keeping interconnections to a minimum, for example, in batterypowered mobile. For example, clrf status will clear the upperthree.
Microchip believes that its family of products is one of the mo st secure families of its kind on the market today, when used i n the. The development board for pic16f690 part nrfcbeval1a is an. Setting up the pic microcontroller cal poly pomona. This is a good start and i hope you are using pull up resistors 10kohms recommended on the scl,sda lines while conncting to the pic. Its advanced, selfcalibrated photodiode array emulates human eye response with excellent ir rejection. The example showed how to use the external interrupt on the pic16f690 to switch directions in a function. Therefore, it is best to refer to your device datasheet for code protection ranges that. F document feedback information furnished by analog devices is believed to be accurate and reliable. This example reads capacitive soil moisture sensor. To obtain the most uptodate version of this data sheet, please register at our worldwide web site at. Demo code example demo code and coverage colors code coverage. Pic16f690 pic16f690 example codes pic16f677 applications pic16f677 only circuit diagram and document pic16f690 interrupt pic16f687 pic16f677 pic16f631 ds41262e.
The strange things that is happening is that i can only control rb6 and rb7, rb4 and rb5 are always low and high respectively, so i guess there is something in the configuration that is missing, ive looked in the datasheet but i dont really know where to start or what to. Configuration options overview configure mplab icd3 for manual memory and. Program microchip pic micros with c sample source code. Read about mplab icd header interface for pic16f690 20p on. Sign up examples of getting rs232 serial ports up and running for various microchip pic microcontrollers.
Other more advanced devices can have a separate routine for each type of interrupt. Hitech c frequently asked questions with the 65 most commonly asked questions about hitech c. Note the following details of the code protection feature on microchip devices. C sample code for pic micros and hitech c sample projects for the microchip pic micro series of microcontrollers, including the pic12x, pic16x, pic18x, pic24x, and dspicx microcontrollers. Datasheet sitronix reserves the right to change the contents in this document without prior notice, please contact sitronix to obtain the latest. Pic16f690 datasheet, pic16f690 pdf, pic16f690 data sheet, pic16f690 manual, pic16f690 pdf, pic16f690, datenblatt, electronics pic16f690, alldatasheet, free, datasheet. Pic16f690 4096 256 256 18 12 2 21 yes yes yes 20pin pdip, soic, ssop pic16f685 vdd. Mplab icd header interface for pic16f690 20p element14. Using ra2 as both an input and an interrupt i brought some code from a picdem dv lab example into a simple program id written. General description the pcal6416a is a 16bit generalpurpose io expander that provides remote io expansion for most microcontroller families via the i2cbus interface. It is a special function that only runs when there is an interrupt. Pic16f690 data sheet, alldatasheet, free, databook.
Pic16f690 free projects ds51682 pic16f690 example codes pic16f690 led project icsp2 icsp1 pic16f690 projects ds422 pic16f690. Not sure where ive gone wrong though as all i get is a blank lcd screen. Microchip products meet the specification cont ained in their particular microchip data sheet. But there is also a pic16f690 that is converting the serial input information into commands for the controller chip. Pic12f675 development board and code example pic learning. Hi, please help me to write assembly pogram for pic16f690. Uart interfacing with pic microcontroller one of the most commonly used and easy to use the protocol in serial communication is usart. Recent listings manufacturer directory get instant insight into any electronic component. If this is a new experience, work through some of the beginning arduino tutorials to get a feel for the language.
For example, pics in the baseline pic12 and midrange pic16 families have. And that leads to a serious problem each assemblylanguage manual seems to assume that you already know the assembly language for some other. Keeloq code hopping devices, serial eeproms, microperipherals, nonvolatile memory and analog products. Uart interfacing with pic microcontroller with sample code. Microchip pic microcontrollers belongs to modern family of mcus and is being used widely in our daily life seemless manners, e. The datasheet for the pic is also a good reference for information on the bits for. Pic 16f690 datasheet microchip microcontroller electrosome. Introduction to pic16f690 the engineering projects. Data sheet 20pin flashbased, 8bit cmos microcontrollers with. Resolved tmp112 interface with pic16f690 sensors forum. According to the datasheet the board uses a sunplus splc780d controller which, as far as i can tell, is indeed compatible with the hd44780 instruction set. Only the first 2k x 14 0000h07ffh for the pic16f687 is physically implemented and first 4k x 14 0000h0fffh for the pic16f685 pic16f689 pic16f690. Software calibration this example uses software solution to calibration the ph meter, not the potentiometer.
A good reference is the book designing embedded systems with pic microcontrollers. Need help to write assembly program for pic16f690 all. Pic 16f690 is a microcontroller manufactured by microchip inc. Blog entry introduction to the microchip pic c programming december 18, 2008 by rwb, under microcontroller the pic microcontroller is quite popular in industrial and hobbyist, some of the newest 8bit midrange microchip pic microcontroller with nanowatt technology is pic16f690, this 20 pin microcontroller has a build in peripherals such as adc, uart, pwm, i2c, analog comparator and with. To create your own effects and animation, youll need some programming practice. The following programs are examples that i use for teaching the programming of 8bit pic microcontrollers. Program a pic 16f690 with the diy kit 150 programmer.
The pic16f690 can only have one interrupt service routine. Rmw and solutions for it its got a clear explanation of the problem with the pros and cons of various methods of handling it and sample mpasm code. In order to upgrade to the new version we must program and install a new firmware chip to use with the new version of micro pro. There are even slight differences from one model of pic to another. For example, clrf status, will clear the upper three. Highperformance risc cpu is incorporated on the board that helps in executing the instructions with a decent pace. Ultralow lux, low power, integrated digital ambient light sensor with interrupt function datasheet the isl29033 is an integrated ambient and infrared lighttodigital converter with i2c smbus compatible interface. You can determine the version of a data sheet by examining its literature number found on the bottom. Introduction to the microchip pic c programming ermicroblog. I have tried the following code and i think according to the data sheet, spbrg 12 is correct if the 16f690 is running at the default 8mhz clock rate and i want to set the baud rate for 9600. Microcontroller pic projects are categorized on the basis of microcontroller applications. Theres one assembly language for pentiums, another for pic microcontrollers, still another for motorola 68000s, and so forth. Msp432e401y simplelink ethernet microcontroller datasheet. In this tutorial, we will first explain the configuration word.
Features ships with required tools accessories other tools blog posts discussions technical docsproduct brieffact sheetheader board specification pdf. Example code example code is available for download from the 27911 product page at. I contributed two ways of handling rmw problems in c, ones generic using shifts and masks and the other is xc8. Microchip 20pin flashbased, 8bit cmos microcontrollers with nanowatt technology. Rics link provides a an overview of the rmw effect, but its a little mikroc centric. Elvis, given that you seem to be a novice at this stuff, my suggestion would be that you have a look at the jal1 language until you get your feet wet, as they say. You can see its specifications and download the datasheet here. It is the abbreviation for universal synchronous asynchronous receiver transmitter. It will take you through the basics of using a pic setting the ports, port direction, etc. In addition, microchips quality system for the design and. The following programs are examples that i use for teaching the programming of 8bit pic. Programming is done using the mplab free download software from. I2c addressing the ads11x5 chips have a base 7bit i2c address of 0x48 100 and a clever addressing scheme that allows four different addresses using just. Development board for pic16f690 and nordic rf modules.
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