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interfacing 3.3v and 5v logic circuits

Can 3.3v microprocessor directly be interfaced with a 5v TTL circuit or how to interface them?
5 comments posted 21yrs
posted by sp
5 comments posted 21yrs posted by sp

OptoSwitch

Hi All, This is for a simple home project i'm cooking up. I need an optical component that signals high (or low..) as a...
2 comments posted 21yrs
posted by ggold6
2 comments posted 21yrs posted by ggold6

FS:Attention all PIC developers and wannabe's

Greetings all, I've retired from hardware/software embedded systems consulting and I want to get rid of all the develop...
0 comments posted 21yrs
posted by ahorne1
0 comments posted 21yrs posted by ahorne1

The Perfect Counter/Timer Circuit?

I?m looking for just the right counter/timer module to perform a very specific task. I have a quadrature encoder turned...
22 comments posted 21yrs
posted by no-one
22 comments posted 21yrs posted by no-one

memory mapped IO

Hello, I have a reference board that I am trying to bring up an ethernet device. I am wondering if the memory mapped io...
3 comments posted 21yrs
posted by pete_van_echaute
3 comments posted 21yrs posted by pete_van_echaute

AT89C5132 USB communication

hello there i am using AT89C5132 as mass storage device. but i am unable to find out about descriptors in AT89c5132 (th...
0 comments posted 21yrs
posted by anulanghya
0 comments posted 21yrs posted by anulanghya

Re: Interfacing external devices to a PocketPC

>I want to use my iPAQ 5500 PocketPC as a data acquisition "box" (its a >pretty neat off-the-shelf embedded system with...
0 comments posted 21yrs
posted by shahpriyanka
0 comments posted 21yrs posted by shahpriyanka

crossbar switch VHDL available?

dear I am looing for open source or publicly available source code (in HDL) of crossbar switch for learning purpose. Si...
2 comments posted 21yrs
posted by JEmoderatz
2 comments posted 21yrs posted by JEmoderatz

VSD Control Platform

Hi, I'm about to design the hardware for a new variable speed drive controller. Since I'm largely targeting high power...
7 comments posted 21yrs
posted by xxx
7 comments posted 21yrs posted by xxx

GNU Linker (LD) PowerPC stack definition

I have not been able to use the ADDR() and SIZEOF() with MEMORY defintions. These functions appear to work with SECTION...
0 comments posted 21yrs
posted by tony_barrett
0 comments posted 21yrs posted by tony_barrett

Compact flash card IDE adapters

Thinking of buying one of those cheap chinese compact flash to IDE adapters that appear on ebay quite often for use on...
1 comments posted 21yrs
posted by colinmacdougall
1 comments posted 21yrs posted by colinmacdougall

Virtex-4 EDK7.1 and VGA display

Hi, I am trying to use the VGA display on the ML402 xilinx board, with V2SX35 FPGA on it. I am basically working with t...
0 comments posted 21yrs
posted by krishnatangirala
0 comments posted 21yrs posted by krishnatangirala