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Toggle navigation. Help Preferences Sign up Log in. Featured Presentations. Pulse Width Modulation. Common Features. Based on a central timer Pulse Accumulator.
Interrupts - 1. Polling vs. Interrupt Sources. Is Polling Bad? Eats up a lot of CPU cycles doing nothing! We're repeatedly checking the button If the CPU watchdog times out a reset is initiated. Interrupts, if needed. Write to the Data rate baud rate Word length. Embedded System Design - A. The 68HC12 family is an upgrade of the popular 68HC11 8-bit microcontroller family.
Oscilloscope, function generator, in-circuit emulator, logic analyzer, demo board The 68HC12 has a highest bus clock frequency of 8 MHz. Memory basic concepts Single chip mode: a mode in which the 68HC11 functions ECE Lecture 1 To input, the 68HC11 reads from the port data register GPA Micro - repr sentation de nombres sign s.
For example, the vector entry for IRQ interrupt can be set up as follows in assembly It has an 8-bit data Automobile engine fuel injection - Fax machines - Motor speed control.
Programmer's model Centronics parallel printer interface The. The only thing that is constant is the location and function of the vector table. In some processors, an interrupt is also known as a TRAP. All lectures. All problem sets EECE Exam Look online, in textbooks for more problems. Global enable bit is set Enable bit is set AND. Arquitetura - Arquitetura Disciplina: Microcontroladores Prof.
Arquitetura Disciplina: Microcontroladores Prof. For example a long time delay cannot be created using just one 16 bit counter, A Microcontroller derivative family based on the core. The An 8-bit Microcontroller optimized for control applications. Resetting the processor brings the system up into a known point from which I bit is initially set after system reset EGR Digital Logic - a complex finite state machine or clocked sequential circuit.
The first microprocessor was introduced Whirlpool appliances Logitech keyboards and mice GPA Micro - C. Basic Computer System. Program Data. Receive data register full Set to a one when received data needs to be read Transmit enable TE Set to one in order to enable serial output The current required to light an LED brightly. Microcontroller Robot Design - Will observe the object to determine if it is a moving object or not.
Will observe the object to determine if it is a moving object or not. DC Gear Motors. Performs ADC of light sensor photo transistors It is also an example of. Liter Liquid Tending Robot - Read customer information tab, name, preferences through Considering: Lawn Sprinkler valves, medical equipment valves. Read customer information tab, name, preferences through The motor converts electrical energy to mechanical work as the output shaft turns ECE Memory Hardware interfacing - Power saving modes.
Supplying clock. Power saving modes. Handshaking - Full-Input Handshake. Handshaking - Full-Output Handshake The TOF flag can be cleared by writing a 1 to it. Kristl Prof. Irber Figure 7. Search Feedback Did you find what you were looking for? Yes No. If not, please let us know here what you were looking for and we'll try to help you out. View by Category Toggle navigation.
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68hc11 Interrupts PowerPoint PPT Presentations