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Interfacing MC68HC11F1 with external SRAM   [9 Articles]

I am using MC68HC11F1 in a project. But I am facing siome problem in getting started with hardware interface and programing. I am using JBug11 to communicate wi...

EVBU, E1, External EEPROM, and an Exhausted Engineer   [4 Articles]

Hi everyone, I'm glad to see so many people still have interest in this ol' chip. I a couple of questions for you knowledgeable folks out there who have more experience with ...

Register location reg   [3 Articles]

In our project we are running the 68HC11 in expanded mode. we have a SRAM at $6000 and a EPROM at $E000. we download the program to the SRAM using the bufallo...

RAM/EEPROM on the 68HC11F1   [3 Articles]

Hi group! Is it possible to connect SRAM/EEPROM directly, i.e. WITHOUT ANY glue logic, to the data/address bus of the 68HC11F1? For example using Program Chi...

EXTERNAL FLASH EEPROM PROGRAMMING   [3 Articles]

Hello everyone. I've got a problem that I've been trying to figure out for some time now, and I have yet to find good information regarding the topic. I'm trying to program an...

Question Regarding the download process of BUFFALO in SRAM

Hello... I am the student currently doing the final year project on m68hc11 evaluation board. I faced some difficulties on download the buffalo into SRAM. In order ...

External RAM and EEPROM   [3 Articles]

Hello everyone, I have a question regarding the M68HC11EBVU. Its the old board from the 90's with the mc68hc11e1 chip in place of the e9. I've installed a 32k SRAM chip and a...

EVBU BOARD FOR SALE

Hey everyone, I've got a M68HC11EVBU that might be bricked but I'm not sure, unfortunately I don't have the time or resources to mess around with this board as I must attend to ...

Problems in down loading interrupt vector table   [2 Articles]

Thanks all of you for the guidance given for us for problems regarding MC68HCF11 interface. But still we are facing some problems regarding downloading the .s19 ...

Re: Microcore11 EEPROM programming problem   [6 Articles]

Yes, that is correct. I should have been more specific. The EEPROM is external, the Microcore has 32K external EEPROM amd also 32K external SRAM. Is there somethi...

Re: Interrupts

Nathan apps wrote: > Hi Darren > > The only reason I wanted to use the 68HC11 was because I just spent a semester at university learning about computer hardware. ...

adding memory   [8 Articles]

Hi, I am a self taught newbie to this list. I'm not sure this isn't a stupid question. I have really just gotten started learning about the 68hc11. I aquired a Mo...

Re: Options to expand external memory to greater than 64K

Hi, See the PSD9xx family of Programmable System Devices at www.psdst.com It can provide up to 256 Kbytes (32 Kbytes x 8) of Main Flash memory, up to 32 Kbytes ( ...

newbie: Axiom 68HC11E9   [2 Articles]

My first two questions pertain to the HC11 microcoprocessor generally. First off, is all of the memory in addresses 0000 to 01FF SRAM as opposed to DRAM? S...

MODA problems...again   [5 Articles]

I once again apologize, this is my third (and hopefully final) attempt at trying to learn how to use this yahoo groups forum thing, and I think ive sent out the same message 2 or 3...

Problemin downloading vector table

Thanks all of you for the guidance given for us for problems regarding MC68HCF11 interface. We could interface a chip successfully with an external RAM and we hav...

Changing global variable in ISR   [2 Articles]

Here I am trying to implement an interrupt based square wave generator using interrupts (Timer Compare2 interrupt). I am using Embedded GNU compiler for making...

Re: Using MC68HC711E9 in place of 68HC11A1 chip?

Tony Papadimitriou schrieb: > ----- Original Message ----- > From: "Robert L. Doerr" <> > To: <> > >>It might just make more sense for me to offer the...

Re: MC68HC11E1CFU3   [2 Articles]

At 21:30 15.09.02 +0300, you wrote: >----- Original Message ----- >From: "coolpix404" <> >To: <> > > > I am re-designing a board that currently uses a MC68HC1...

Re: Input/Output using port A

Hi, I managed to get input from three different switches and control the LEDS without using interrupt. When I run this program step by step there is no problem, h...

Re: expanded mode configuration   [6 Articles]

--- In , Naveen P N wrote: > Hi, > I'm quite new to the HC11 architecture. I've been able to install > the GNU C compiler and got it working. But...

Re: static config reg can not be changed

Note to John Beatty: See end of this message for a suggestion for a JBug enhancement. --- In , "jackson_cp" wrote: > Thank you for the infor...

Re: static config reg can not be changed

> The short answer to your question is: Yes, it can be done. > > I have been working on a project recently that uses a 'F1 in > expanded mode, with FLASH ma...