68HC11 E2

Started by pike_mat in M68HC1115 years ago 7 replies

I am looking for a 68HC11 E2 chip for my TAFE major project, we have been told that we need this specific chip as the E9 does not have ...

I am looking for a 68HC11 E2 chip for my TAFE major project, we have been told that we need this specific chip as the E9 does not have enough memory and if we choose another chip with higher memory we will be given a harder project and wont be able to work with our classmates because they will have a completely different project and probably couldn't help.


buffalo isr problem

Started by btraf311music in M68HC1115 years ago 30 replies

I am trying to produce some pulse width modulation code in C using the EmbeddedGNU IDE, and the board running under the Buffalo monitor,...

I am trying to produce some pulse width modulation code in C using the EmbeddedGNU IDE, and the board running under the Buffalo monitor, but I lose the clock signal right after running the program. To be specific I am using an EVBplus2 6811 board. We have determined that the interrupt vectors most likely have not been initialized properly since when an inter


Interrupts

Started by nathan_b_a in M68HC1115 years ago 38 replies

HI I'm currently writing a program for the 68hc11 on my Thrism11 simulator. The program uses the irq interrupt. What I don't...

HI I'm currently writing a program for the 68hc11 on my Thrism11 simulator. The program uses the irq interrupt. What I don't understand is how you can edit the interrupt vector when it is in the ROM? I thought ROM could only be configured in the factory. For example, here is my code for the first part of the program:


How to program Port E ADC to Port B and Random number

Started by yew alex in M68HC1115 years ago 6 replies

Thanx Mike for the reply Let me rephares what i meant, Im trying to built a kit, which uses 68hc11. Im trying to use Port E, as my input...

Thanx Mike for the reply Let me rephares what i meant, Im trying to built a kit, which uses 68hc11. Im trying to use Port E, as my input data (analog to digital) to Port B. When ever I, input something from Port E, it will capture the value and Output it to Port B which my LEDs will light up. This seems to be simply kit, but what I dont understand is how to program o


interfacing 4x20 lcd using c/c++

Started by AyeashaB in M68HC1115 years ago 5 replies

any suggestions?

any suggestions?


buffalo in chip

Started by sergioheta in M68HC1115 years ago 11 replies

Hello I have a school project and i have a doubt, hope someone could help me with this: wich hc11's have buffalo included in the...

Hello I have a school project and i have a doubt, hope someone could help me with this: wich hc11's have buffalo included in the micro, I recently bought a mc68hc11e1cp2, i'm going to use the hc11 in expanded mode, so, should I include an extra eprom in the memory map with buffalo in it? I'm reading some manuals and i fou


PCBUG11 fails Communication

Started by micro controller in M68HC1115 years ago 3 replies

Hi to all, I'm using PCBUG11 to program a 68HC11A1P. But the program fails to communicate with the chip. I tried...

Hi to all, I'm using PCBUG11 to program a 68HC11A1P. But the program fails to communicate with the chip. I tried connecting XIRQ to Rx, with PCbug11.exe -xA port=1 on the command line. And connecting XIRQ to Vdd via a 90 ohm resistor, with PCbug11.


HC11 C Compiler Recommendations?

Started by Mike Murphree in M68HC1116 years ago 11 replies

I sent this to the Introl list earlier, hopefully these requests are welcome here: Hello, I'm working on a project for our...

I sent this to the Introl list earlier, hopefully these requests are welcome here: Hello, I'm working on a project for our company and I need to find an available C compiler for the 'HC11. Most of the companies we've talked to have either eliminated their 'HC11 product or sell it without support. What I'm looking for is recommendations


Using MC68HC711E9 in place of 68HC11A1 chip?

Started by Robert L. Doerr in M68HC1116 years ago 7 replies

Is it possible to substitue a MC68HC711E9 chip in place of a MC68HC11A1 CPU? If so can it be used as a drop in replacement by...

Is it possible to substitue a MC68HC711E9 chip in place of a MC68HC11A1 CPU? If so can it be used as a drop in replacement by writing the appropriate values to the config register? If not I have a couple MC68HC711E9 chips available if anyone needs them along with


Adapt11

Started by fidjouss in M68HC1116 years ago 2 replies

Hello I have an adapt11 and i am trying to upload an s19 file to it using microload. I spent alot of time on this with no...

Hello I have an adapt11 and i am trying to upload an s19 file to it using microload. I spent alot of time on this with no success. I am using a demo file that came with it (tried multiple files, so the code is not the problem. all the files compile and run well). I made my own


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