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Microprocessor Circuits
Page 5b
Microprocessors:
#'s A-B
C-G H-L
M-O P
Q-S T-Z
Last Updated on:
Wednesday, November 29, 2017 05:40 AM |
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Links to electronic circuits, electronic schematics, designs for engineers,
hobbyists, students & inventors:
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MicroController controls multichemistry battery charger - 09/28/00
EDN-Design Ideas....Figure 1 is a generalized block diagram of a
multichemistry battery charger. A COP8ACC5 µC handles its key charging
features.....[Design Idea by Kelly Flaherty, National Semiconductor, Santa
Clara, CA] |
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Microcontroller delivers voltage-multiplied DC power - 11-May-06
Issue of EDN Use the microcontroller's comparator and PWM ....[Design
Idea by Aaron Lager, Masterwork Electronics, Santa Rosa, CA; Edited by Brad
Thompson and Fran Granville] |
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Microcontroller detects pulses - 24-Jul-08 Issue of EDN A
microcontroller detects output pulses in a device under test....[Design Idea
by Abel Raynus, Armatron International, Malden, MA] |
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Microcontroller directs supply sequencing and control - 29-May-03
Issue of EDN With the proliferation of dual-voltage architectures and
multiprocessor boards, even simple applications can require several
processor voltage rails. With each processor having its own
power-up....[Design Idea by Joe DiBartolomeo, Texas Instruments, Dallas, TX] |
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Microcontroller discerns addresses in RS-485 systems - 8-Nov-01 Issue of EDN
One of the many benefits of using the RS-485 data-interface system, unlike the RS-232
system, is its ability to implement multidrop networks. Such networks usually carry
9-bit data words, in which the ninth (parity] bit identifies each word as address or
data. When using small microcontrollers without a hardware UART, such as IC1 in Figure
1, designers must decide whether to add an exte....[Design Idea by Nigel Brooke and
Ted Salazar, Maxim Integrated Products, Sunnyvale, CA] |
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[_OLD-ads-dont_upload/OLD I-ADS from web/ad-djandassoc.htm] |
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Microcontroller displays multiple chart or oscilloscope timing ticks -
1-May-08 Issue of EDN A crystal controlled microcontroller generates precise
timing ticks....[Design Idea by William Grill, Honeywell, Lenexa, KS] |
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MicroController drives 20 LEDs - 27-Sep-07 Issue of EDN Dhananjay V
Gadre of the Netaji Subhas Institute of Technology in New Delhi, India, details and
demonstrates the use of "Charlieplexing" to drive 20 LEDs using six available I/O pins
on an 8-pin microcontroller….[Video Design Idea] [Design Idea by Dhananjay V Gadre of
the Netaji Subhas Institute of Technology in New Delhi, India] |
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Microcontroller drives H bridge to
power a permanent-magnet DC-mmotor - 15-Mar-07 Issue of EDN Improved
H-bridge requires only two driver signals....[Design Idea by Luca Bruno, ITIS
Hensemberger Monza, Lissone, Italy; Edited by Brad Thompson and Charles H Small] |
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Microcontroller drives LCD with just one wire - 3-Dec-07 Issue of EDN
A Microchip PIC10F family microcontroller sparks an HD44780 LCD using a single I/O
pin....[Design Idea by Noureddine Benabadji, University of Sciences and Technology,
Oran, Algeria] |
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Microcontroller drives
logarithmic/linear dot/bar 20-LED display - 18-Jan-07 Issue of EDN
Do-it-yourself analog-to-LM3914 display driver offers user programmability....[Design
Idea by Dhananjay V Gadre and Anurag Chugh, Netaji Subhas Institute of Technology, New
Delhi, India; Edited by Brad Thompson and Fran Granville] |
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MicroController eliminates offboard EEPROM with virtual EEPROM routines -
05/10/01 EDN-Design Ideas....COP8flash µCs let you allocate some of their internal
flash memory as a nonvolatile storage space. This line of flash µCs accomplishes
this task by accessing some memory functions built into the boot ROM. In addition to
some of these memory functions, the COP8flash µC can initiate and control in-system
programming under software. You can use 'virtual EEPROM,' although…. ]Design Idea by
Wallace Ly, National Semiconductor Corp, Santa Clara, CA] |
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Microcontroller emulates numerically controlled oscillator - 21-Feb-02 Issue
of EDN Microcontrollers commonly add intelligence or digital functions to
products, but they can also provide a variety of analog signals. An 18-pin PIC 16C54
microcontroller, combined with an inexpensive, 8-bit DAC and a simple lowpass filter,
can generate sine waves from dc to approximately 50 kHz with a tuning resolution of 24
bits....[Design Idea by Tom Napier, North Wales, PA] |
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Microcontroller functions as voltmeter - 10-May-07 Issue of EDN PIC
microcontroller and FETs enable a four-digit voltmeter....[Design Idea by Noureddine
Benabadji, University of Sciences and Technology, Oran, Algeria] |
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Microcontroller inputs parallel data using one pin - 2-Oct-08 Issue of EDN
Clever use of pulses of various time constants allows a microcontroller to input a
slowly changing serial pulse stream using a single I/O pin....[Design Idea by Rex
Niven, Forty Trout Electronics, Eltham, Victoria, Australia] |
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