Latest threads in Microcontroller Discussionsshow only best voted threads

Subject Author Posted Replies
 
HELP! PIC18F8722 Port F Input Problem
Hi, I'm using the 18f8722. What I've noticed is that when I power up the device and try to read Port F, I do not get anything back from pin 7 until after a few seconds of waiting. The circuit is fine,...
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help withe Arium ML4100 Logic Analyzer ?
I have a Arium ml4100 with LP320 POD and of course no manuals . Arium was purchased in the 90's ?? and the new company American Arium responded to my requests with "we no longer support those...
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z80 help
Is there anyone out there interested in starting a new z80 project? Greetings, Frank
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SAsmE - OpenSource Smart Asm Editor for PIC18 Asm
Hi all, i just released my first version of SAsmE, it's a cross platform smart editor (with syntax highlighting too of course) for PIC18 Asm with a very nice feature: it can translate brain-struggling...
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8051:Keil C's linker command file(.lin)
Dear all, I have one question about the writing format of .lin in Keil C. As I knew, ?PR?*?module_name indicates "all functions" within module_name.c. But in .lin I also saw: ?PR?module_name. What...
 
Microchip PIC 18f8722 USART2 Interrupt Problem
Hi, Microchip PIC 18f8722 USART2 Interrupt is not working - I have USART1 working fine with interrupts but cannot get interrupt on usart2 - the RC2IF interrupt flag never gets set although data is...
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Coolest Microcontroller Project Platfrom
Hey there! Check out FLEXI. FLEXI is an Arduino Based open source electronics prototyping platform. It can be used to develop real cool projects with very little effort! The best thing about FLEXI is...
 
Lookup table?
I am using a 89C450 mcu. I need to execute 1 of 100 subroutines depending on the value of the acc Sort of like a lookup table I think. Any ideas?
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USB and MIKROBASIC
Hi, I want send a string to the USB. I use the mikrobasic for programming the pic 16f913 with the functions Hid_Enable and Hid_Write . when I run the building of the project I have the following error...
 
how to trace a microcontroller running it's app ?
I have a (8051) micro-controller that i would like to trace it's runtime program to understand how the program works for purpose of potentialy modifying code. (The only info of program is the program...
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slowest practical baud rate?
I'm trying to run a PIC12F675 with an external 32.768KHz crystal to maximize battery life. I would like to interface to the part with a serial interface. I've tried 300 baud and 110 baud (no partiy, 8...
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microcontroller ROM copy trouble ?
I have a working (ie. tested) microcontroller board uses a (Philips MAB-8031-AH-12p) MCU a 8051 variant, maybe romless ? with a (NEC 23256AC) ROM chip. i removed the ROM chip (NEC D23256AC) and copied...
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why address pin 14-15 tied for a 27c256 ROM ?
my microcontroller board has installed a 23256AC (i.e. 27c256 style) ROM chip with 8031 MCU... I traced the ROM chip's pins to be (reasonably) sure that i was selecting a correct/compatible eprom chip...
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16F877 ADC reading annomaly
Dear all, I'm currently debugging a bit of hardware developed by someone else - I have the code and the hardware in front of me and from my previous PIC work I'm 99% certain it should be working fine....
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ROM programmer questions ?
does it softwware ? (Revised Thanks for the reply, xeltek said what one might expect, "sorry you are SOL" thanks again robb
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