
micro
... Input / Output is controlled through special variables called “registers”. Registers are actual hardware memory locations inside the μCs with predefined names and sizes. Assigning a value to these registers in the program changes the corresponding hardware configuration. And, these values can be alt ...
... Input / Output is controlled through special variables called “registers”. Registers are actual hardware memory locations inside the μCs with predefined names and sizes. Assigning a value to these registers in the program changes the corresponding hardware configuration. And, these values can be alt ...
Digital Logic Circuits 1
... circuits to troubleshoot; the output is either right or wrong. ◊ The difficult problems are often those that involve timing. ...
... circuits to troubleshoot; the output is either right or wrong. ◊ The difficult problems are often those that involve timing. ...
AN-722 APPLICATION NOTE
... The ADM106x family of fully programmable supply sequencers can be used as complete supply management solutions in systems utilizing multiple voltage supplies. Applications include line cards in telecommunications infrastructure equipment (central office, base stations) and blade cards in servers. On ...
... The ADM106x family of fully programmable supply sequencers can be used as complete supply management solutions in systems utilizing multiple voltage supplies. Applications include line cards in telecommunications infrastructure equipment (central office, base stations) and blade cards in servers. On ...
A “short list” of embedded systems
... Watchdog timer • Must reset timer every X time unit, else timer generates a signal • Common use: detect failure, self-reset • Another use: timeouts – e.g., ATM machine – 16-bit timer, 2 microsec. resolution – timereg value = 2*(2161)–X = 131070–X – For 2 min., X = 120,000 microsec. ...
... Watchdog timer • Must reset timer every X time unit, else timer generates a signal • Common use: detect failure, self-reset • Another use: timeouts – e.g., ATM machine – 16-bit timer, 2 microsec. resolution – timereg value = 2*(2161)–X = 131070–X – For 2 min., X = 120,000 microsec. ...
89C2051 datasheet
... 6. Pulse P3.2 once to program a byte in the PEROM array or the lock bits. The byte-write cycle is self-timed and typically takes 1.2 ms. 7. To verify the programmed data, lower RST from 12V to logic ’H’ level and set pins P3.3 to P3.7 to the appropiate levels. Output data can be read at the port P1 ...
... 6. Pulse P3.2 once to program a byte in the PEROM array or the lock bits. The byte-write cycle is self-timed and typically takes 1.2 ms. 7. To verify the programmed data, lower RST from 12V to logic ’H’ level and set pins P3.3 to P3.7 to the appropiate levels. Output data can be read at the port P1 ...
Lecture 1: CS/ECE 3810 Introduction • Today’s topics: Why computer organization is important
... Must a Programmer Care About Hardware? • Must know how to reason about program performance and energy • Memory management: if we understand how/where data is placed, we can help ensure that relevant data is nearby • Thread management: if we understand how threads interact, we can write smarter mult ...
... Must a Programmer Care About Hardware? • Must know how to reason about program performance and energy • Memory management: if we understand how/where data is placed, we can help ensure that relevant data is nearby • Thread management: if we understand how threads interact, we can write smarter mult ...
Case Study 1: RTC/Microcontroller Power Back
... keep the internal real-time clock operational. Many MCUs have an internal supply supervisor circuit that can be used to control the switchover function from main power to auxiliary power. When the supply voltage threshold level is reached during power droop or complete power loss, the MCU can be pro ...
... keep the internal real-time clock operational. Many MCUs have an internal supply supervisor circuit that can be used to control the switchover function from main power to auxiliary power. When the supply voltage threshold level is reached during power droop or complete power loss, the MCU can be pro ...
Data Logger System Display Digital display for viewing the latest
... A/D resolution 16 bits or better 2 input interfaces for the use of data communication, including simultaneous use of any 2 data communications radios/systems (i.e. INSAT, VSAT, GSM/GPRS, Interrogated Radio, ALERT Radio) This will be built into the data logger module, no external boards or circuitry ...
... A/D resolution 16 bits or better 2 input interfaces for the use of data communication, including simultaneous use of any 2 data communications radios/systems (i.e. INSAT, VSAT, GSM/GPRS, Interrogated Radio, ALERT Radio) This will be built into the data logger module, no external boards or circuitry ...
Homework 5
... per cycle. Compare the power consumption and energy per cycle for the rated and low energy modes. ...
... per cycle. Compare the power consumption and energy per cycle for the rated and low energy modes. ...
chris - Ece.umd.edu
... needed. Frequency of the transmitter is selected with a 14.2969 MHz Crystal for operation at 916 MHz. The circuit will provide a DC voltage through a jumper to the FSK/ASK enable to determine the output mode. A test input from a function generator will be the input for the transmitter. Since output ...
... needed. Frequency of the transmitter is selected with a 14.2969 MHz Crystal for operation at 916 MHz. The circuit will provide a DC voltage through a jumper to the FSK/ASK enable to determine the output mode. A test input from a function generator will be the input for the transmitter. Since output ...
Measure resistance with a microcontroller
... than the DUT’s resistance. Keep the resistor values between 10 kΩ and 100 kΩ. The circuit works best if you use resistors with 1% or better tolerance. If you need to reduce cost, then measure 5% resistors from a batch with a DMM. Select the four resistors that best match each other’s values. You may ...
... than the DUT’s resistance. Keep the resistor values between 10 kΩ and 100 kΩ. The circuit works best if you use resistors with 1% or better tolerance. If you need to reduce cost, then measure 5% resistors from a batch with a DMM. Select the four resistors that best match each other’s values. You may ...
Lecture 7 Overview - University of Delaware
... Output pulse width is determined by an external RC network ...
... Output pulse width is determined by an external RC network ...
gsm based advanced transformer load sharing system using arm7
... emulation and embedded trace support, together with 128/512 kilobytes of embedded high speed flash memory. A 128-bit wide memory interface and unique accelerator architecture enable 32-bit code execution at maximum clock rate. For critical code size applications, the alternative 16-bit Thumb Mode re ...
... emulation and embedded trace support, together with 128/512 kilobytes of embedded high speed flash memory. A 128-bit wide memory interface and unique accelerator architecture enable 32-bit code execution at maximum clock rate. For critical code size applications, the alternative 16-bit Thumb Mode re ...
Switching power supply input 22–30 Vac
... • Overload/short circuit protection with automatic restore • Input protection fuse • Compact design saves panel space ...
... • Overload/short circuit protection with automatic restore • Input protection fuse • Compact design saves panel space ...
Experiment 1-6
... display your data. When the measurement is done, you may display the data in various ways by selecting the View menu. Compare the waveform displayed on the Strip Chart with that on the oscilloscope. If you are satisfied with your data, you can save the data into a PRN file by selecting File | Export ...
... display your data. When the measurement is done, you may display the data in various ways by selecting the View menu. Compare the waveform displayed on the Strip Chart with that on the oscilloscope. If you are satisfied with your data, you can save the data into a PRN file by selecting File | Export ...
Solar Car Data Collection System
... What is needed is a small, light data logging device specifically designed to interface with a typical educational solar car kit. The data collection system will collect data on voltage, current and speed, every ½ second. The data will allow educators to output graphs of distance, speed, acceler ...
... What is needed is a small, light data logging device specifically designed to interface with a typical educational solar car kit. The data collection system will collect data on voltage, current and speed, every ½ second. The data will allow educators to output graphs of distance, speed, acceler ...
product brochure
... microcontroller, RAM and Flash memory, security engine, event scheduler, and an extensive set of peripherals. The integrated RF filtering simplifies the RF design complexity enabling very low cost single layer applications using simple PCB antennas requiring no shielding and a minimum number of exte ...
... microcontroller, RAM and Flash memory, security engine, event scheduler, and an extensive set of peripherals. The integrated RF filtering simplifies the RF design complexity enabling very low cost single layer applications using simple PCB antennas requiring no shielding and a minimum number of exte ...
Design of the power stage
... - Use the highest CPU clock speed, unless the task requires a specific amount of time (e.g. serial communication), in which case, avoid using a higher CPU speed than needed - Turn off unused peripherals ...
... - Use the highest CPU clock speed, unless the task requires a specific amount of time (e.g. serial communication), in which case, avoid using a higher CPU speed than needed - Turn off unused peripherals ...
AP 1: Ohm`s Law Lab (Studet) v1.0 20140810
... The materials you used, and how you assembled them Data (V and I ) collected in tabular form A graph of V vs I The obtained value of the resistance of the wire spool A conclusion discussing: ❏ summarizing your results ❏ analysing any discrepancies between Ohm’s Law and your measurements ❏ proposing ...
... The materials you used, and how you assembled them Data (V and I ) collected in tabular form A graph of V vs I The obtained value of the resistance of the wire spool A conclusion discussing: ❏ summarizing your results ❏ analysing any discrepancies between Ohm’s Law and your measurements ❏ proposing ...
CONTROL OF ELECTRICAL APPLIANCES THROUGH TV REMOTE
... speed are all examples physical parameters that may be used by a micro controller. These data are first converted to a voltage or current waveform using appropriate transducers. It is then the function of the ADC to convert the voltage or current to digital form for processing by the microprocessor. ...
... speed are all examples physical parameters that may be used by a micro controller. These data are first converted to a voltage or current waveform using appropriate transducers. It is then the function of the ADC to convert the voltage or current to digital form for processing by the microprocessor. ...
Printed Circuit Board Layout + Preliminary PCB Layout
... traces from the capacitors to the microcontroller don’t to go through vias, which would introduce additional impedance and inductance. By ensuring that the microcontroller is well supplied with amperage, the microcontroller will introduce less noise into the other systems of the circuit. Noise reduc ...
... traces from the capacitors to the microcontroller don’t to go through vias, which would introduce additional impedance and inductance. By ensuring that the microcontroller is well supplied with amperage, the microcontroller will introduce less noise into the other systems of the circuit. Noise reduc ...