Designing Embedded Systems With PIC Microcontrollers by Tim Wilmshurst

By Tim Wilmshurst

PIC microcontrollers are used world wide in advertisement and business units. The 8-bit PIC which this ebook specializes in is a flexible paintings horse that completes many designs. An engineer operating with functions that come with a microcontroller will doubtless encounter the PIC faster instead of later. it's a needs to to have a operating wisdom of this 8-bit expertise.

This ebook takes the beginner from creation of embedded structures via to complicated improvement thoughts for using and optimizing the PIC kin of microcontrollers on your gadget. to actually comprehend the PIC, meeting and interval needs to be understood. the writer explains either with pattern code and examples, and makes the transition from the previous to the latter a simple one. it is a stable development block for destiny PIC endeavors.

New to the 2d Edition:
*Include finish of bankruptcy questions/activities relocating from introductory to advanced
*More labored examples
*Includes PowerPoint slides for teachers
*Includes all code snips on a spouse site for ease of use
*A survey of 16/32-bit PICs
*A undertaking utilizing ZigBee

*Covers either meeting and C programming languages, crucial for optimizing the PIC
*Amazing breadth of insurance relocating from introductory to complex subject matters overlaying progressively more complicated microcontroller families
*Details MPLAB and different Microchip layout tools

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Extra info for Designing Embedded Systems With PIC Microcontrollers

Example text

PIC16F84 to PIC16F84A Migration (2001). , Reference no. 4. PIC 16F87/88 Data Sheet (2005). , Reference no. com Questions and exercises 1. From the 16F84A data sheet, Ref. 1, find out: (a) how many read/write cycles each of EEPROM and Flash memory can be expected to undertake in their lifetime; (b) the data retention duration for the EEPROM memory; (c) the value of SFRs STATUS and PCL on power-up. 2. A non-technical friend asks you why his digital camera can ‘remember’ pictures, and a mobile phone can ‘remember’ numbers and text messages.

The Microchip approach to power supply and oscillator, with the 16F84A.  The hardware design of the electronic ping-pong game. 1 The main idea – parallel input/output Almost any embedded system needs to transfer digital data between its CPU and the outside world. This transfer falls into a number of categories, which can be summarised as:  Direct user interface, including switches, keypads, light-emitting diodes (LEDs) and displays.  Input measurement information, from external sensors, possibly being acquired through an analog-to-digital converter.

It is in the lower position for Logic 0. In either case, the output is modelled as a voltage source in series with a resistor (in circuit theory this is called a ‘Thevenin equivalent’ circuit). VLH is the logic high-output voltage, with an output resistance of RS(high). VLL is the logic low-output voltage, with an output resistance of RS(low). In the case of CMOS (Complementary Metal Oxide Semiconductor) the situation is quite simple, as VLH is equal to the supply voltage and VLL is equal to 0 V.

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