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Tags: EEPROM

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EEPROM Sample

EEPROM Sample
A sample circuit that writes and reads to an EEPROM.

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EEPROM Interactive Programmer

EEPROM Interactive Programmer

A relatively user friendly interactive 16-bit EEPROM programmer.  


EEPROM is broken into 128 pages, each with 8 words of memory, corresponding to the size of a single ROM module.

Usage:

"Page Select" register controls which page is currently being accessed.  

"Write Page" overwrites the active page with the contents of the entry ROM module.  

"Display" outputs the current page to the LCD.  

"Display After Write" register may be used to suppress displaying newly written pages, which may be useful for streaming since the programmer cannot read and write at the same time.


project.name
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combinational logic with eeprom

combinational logic with eeprom

I'm using an EEPROM to replace combinational logic. The address is the decimal number in binary (or the counter). The data out is the 7-seg display (the leftmost bit is the decimal point). 


project.name
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store data

store data

project.name
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Asynchronous 16 - Segment Array

Asynchronous 16 - Segment Array

Instructions

Set both buttons to off (RED). Now reset the sequencer and turn on button 1 and 2 (set to GREEN). 

Button 1 controls the data fed to the displays.

OFF = Clear all displays ON = Programmed message

Button 2 controls the clock.

To change the message, dump the core or reset the EEPROM and rewrite the suitable data for the 16-Segment Displays. If the new message contains lesser or more letters/numbers to show, make suitable changes to the Sequencer and change the number of displays used.


project.name
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Simple computer

Simple computer

A simple computer.

(IN DEVOLOPMENT)

commands listed in project.


project.name
0 Stars     235 Views

EEPROM Decoder

EEPROM Decoder

An EEPROM Decoder with a 16 Segment Display

Original Creator: Payton

Link to project: Public 16 Segment Display Alphabet and Number Decoder Modular Circuit

EEPROM Code:

65289,12296,61120,64704,12736,56768,57280,49417,65472,64960,12361,64594,52992,64530,53120,50048,57152,13248,52242,51730,908,3840,13096,13092,65280,58304,65284,58308,56416,49170,16128,777,13061,45,42,52233,29762,5202,2688,2706,2689,16594,35218,898,2,2578,30,18,4802,642,2690,33680,33170,640,35202,2944,2562,513,4613,45,13392,2177,56786,38363,255,9,36,35584,29696,17554,34898,57666,3072,16,2


project.name
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Anyway, This is a circuit where I'm using a Priority Encoder to do this. When you press the change button 2 times of actually turning it off, it will say "set" then, After 6 seconds, the "set" word will be gone. (Bonus: The binary shows up in two different ways. 1. Shows up as the 7 SEG Display's Dot. 2. Shows up as a 3-bit output.)


project.name
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FSM Controller for lateral position of wheelchair

FSM Controller for lateral position of wheelchair

This was the final project for the college course Logic Design. The idea for the project was taken from CSE/EEE 120 Capstone Design Project Spring 2021, ASU, Tempe, Arizona, Prof. of Practice, Steven Millman (NXP).



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ASCII 16-SEG CONTROLLER

ASCII 16-SEG CONTROLLER

Takes a 7-bit ASCII input and outputs 16 bits usable by a 16+1 segment display.


project.name
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About the Combinox R1:

This is the third 16-bit CPU I have made. Its new name was inspired by the new combinational code. It is also my first computer to feature a graphics and base ten display. As a result of its brand new architecture, code, and clock it is much faster than my previous CPUs. 


Directions for use:

Choose the desired EEPROM program and insert it into the slot. First press the "RESET" button. Now press the "ON" button and enjoy your program.


Descriptions of programs:

blank: A blank EEPROM to be coded.

count up forever: Counts up by one until it reaches 65,535 then loops back to 0.

2+2: adds 2+2 and displays the output to the number display

transfer from keyboard to display: Displays the ascii value of whatever key is being entered on the keyboard.

random noise: Displays random noise on the screen.

Fibonacci: calculates the Fibonacci sequence 


Credits:

Sanderokian Stfetoneri - clock

Sanderokian Stfetoneri - 16 bit division



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EEPROM vs RAM

EEPROM vs RAM

Just a little comparison nothing too important.


project.name
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The first STRING32-based CPU has finally been released! The STRING32000 is the first of the string CPU series to be 32-bit. It supports up to 16-bit addresses. Instead of having physical pins, the pins are addressed. This allows the CPU to be able to select many more pins. It can also write to the same EEPROM that stores its programs instead of saving the values in a separate EEPROM, which may sound inefficient but this actually means that STRING32000 supports self-modifying code. Another feature of this CPU is that it can execute values in its registers as program. Unfortunatly, the division is limited to 16 bits, but ill change that in the future. I may share the excel compiler later. I'm still hunting down all the bugs so dont expect it to work perfectly just yet...

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This computer currently only runs one program where you can make 32x32 pictures in black and white, but I'll make more programs for it in the future.

Controls for 32x32 painter:

keyboard controls: WASD to move cursor, Q to display an image, E to toggle pixel between black and white.

stepper: Use to select the picture slot. There is a face drawn in slot 0

PWR and EN: toggle both on to run. PWR is the main switch and EN freezes the clock when disabled.

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CREDITS:

Credit to Sanderokian Stfetoneri (author of Femto) for the 16-bit division and the fast clock circuits.

Credit toJesus JR Soon to be HYPER-V for ideas for 32-bit multiplication circuit.

FORK FOR BEST USER EXPIERIENCE


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User Image Aj

16 byte EEPROM made with only logic gates

16 byte EEPROM made with only logic gates

BOOM made a logic based EEPROM wadoya think