27c256 | 4K81H | 68HC11A1 | 68HC11P1 | 68hc24 | 68HC711E9 | 68HC811 | 8255 | A2D | ADC | ADC12138 | Am85C30 | BRCLR | Buffalo | CMOS | EEPROM | EPROM | Ethernet | EVB | EVBU | HC11E1 | HC11E9 | HC711E9 | Horray | ImageCraft | IRQ | Keypad | LCD | MC68HC11D0FN | MC68HC11E1CFU3 | MC68HC11F1 | MC68HC711E9 | MC68HC711E9CFN2 | Microcore11 | Microstamp11 | Minikit | NVRAM | PSD | PSD8xx | PSD9xx | PT1000 | RS232 | RTS | RXD | SPI | SRAM | TXD | Watchdogs | XIRQ

EPROM   [2 Articles]

hi all, I have a program that is working perfectly on my development system. The program length is just under 1300 bytes. I have programmed a 68HC711E9 chip ...

recycling 68HC711E9   [2 Articles]

Hi, A batch of 68HC711 was programmed but the program is now obsolete and I would like to recycle them as regular 68HC11E9 's. I tried to disable the EPROM t...

68HC711E9 Windowed EPROM microcontrollers   [5 Articles]

I was wondering if anyone might be able to tell me where i might find a couple of 68HC11E9 chips with the UV erasable eprom. Thanks in advance for any help. ...

Re: Re: HC11E1 - won't run in SC mode?   [6 Articles]

You're right. Had the same problem myself transitioning from 'E2 to 'E1. See below for more comments. --- John <> wrote: > It still won't work in SC-mode - I n...

mc68hc711e2fcn2   [3 Articles]

can anybody tell me is it possible for me to use MC68HC711E2FCN2's EPROM. How i can do that if i am intend to use bootstrap mode. This MCU doesn't has the quar...

(no subject)   [4 Articles]

hi list i am going to put one question . when we program a eprom,if size of eprom is grater than code ,what happen to blank space.somebody told me that if spac...

buffalo in chip   [3 Articles]

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 mc6...

Student Need Help   [3 Articles]

hi friends.. my name is Indran.. i am from Malaysia.. i am doing final year BE(Mechatronics).. currently i am doing a robot as my final year project.. i am...

Re: HC711 pinout

Mike Phillips wrote: > Mike, > > Am I SOL? I'm afraid that you are. I found this document http://www.ortodoxism.ro/datasheets/motorola/MC68HC11KTS.pdf which, if you loo...

RE: loading buffalo

BUFFALO is too big for E9's RAM. Use PCBUG11 or JBUG to debug EEPROM (or EPROM) without programming anything new into EPROM. Emmett Redd Ph.D. mailto: Associat...

RE: ***[Possible UCE]*** RE: 68HC711E9 Windowed EPROM microcontrollers

It looks like there are some here in Honig Kong. Th "XC" part number means that it is not fully qualified, I believe there was a hermetic seal problem at some tempe...

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...

decompile file   [3 Articles]

Hello I have file, that contains information stored in an EPROM. Can I view program? uP is MC68HC11E1. ...

Questions on MC68HC711E9CFN2 Reprogramming

Hi All When i programmed the MC68HC711E9CFN2 Chip with a Version A of Software (.S19) it programmed sucessfully. I made some modifications in the Version A Software and made it ...

Re: XIRQ Maximum Voltage

At 11:39 AM 23/12/02 -0800, you wrote: >I am migrating from the MC68HC811E2 to MC68HC711E9. I am looking for the >maximum voltage the the MC68HC811E2 can handle. Ca...

RE: ***[Possible UCE]*** Re: ***[Possible UCE]*** RE: 68HC711E9 Windowed EPROM microcontrollers

I thought that too. Those with the MC were actually sold in the Future Active Catalog as EPROM but when I received them they were OTPROM. However, the Hong Kong lin...

Questions on Reprogramming MC68C711E9CFN2 chip   [3 Articles]

Hi All =20=20=20 When i programmed the MC68HC711E9CFN2 Chip with a Version A of Software (= .S19) it programmed sucessfully. I made some modifications in the Version A= Soft...

Re: ***[Possible UCE]*** RE: 68HC711E9 Windowed EPROM microcontrollers

Nigel -- I don't think the windowed parts every reached full qualification. At least I don't recall seeing anything but XC parts and all I left in stock are ma...

Anybody read Tom Fox's book? I NEED HELP!!!!   [5 Articles]

I can't get the program to work on the MAG11 board, I've figured out the code is not written for the 256 EPROM, but I don't know what to change! ...

RE: ***[Possible UCE]*** RE: 68HC711E9 Windowed EPROM microcontrollers

It looks like there are some here in Honig Kong. Th "XC" part number means that it is not fully qualified, I believe there was a hermetic seal problem at some tempe...

Got the 68hc11A1 to run   [4 Articles]

Well, got it to run. I think that I had a bad RS232 cable. I'd like to have the talker reassembled so it will run on boot-up. I guess I need to have the chip run...

reg Eclk   [2 Articles]

Hi I had the following situation in our project and could not reason out why it is happening so!?! We developed a board with a RAM, EPROM and 6811 in it. ...

ARRRRRRRRGGGGGGGG!!!!!!!

The currect HC11 project (the one with the slow LCD display) is for my darkroom - it has a whole series of (adjustable) timers, one for each step in color processin...

Re: Re: 27c256 failure

To answer John's question: Yes, the window of the EPROM is covered with black electrical tape. I've found this to be a particularly useful way to do it, since th...

Re: HC711 pinout   [11 Articles]

Mike Phillips wrote: > Mine is the plcc 84. Yes, I see that you actually posted that information in your first message. Sorry to overlook that. > I'm not troubled at all ...

Re: Re: HC711 pinout

----- Original Message ----- From: "Mike McCarty" To: Sent: Wednesday, August 16, 2006 2:14 PM Subject: Re: [m68HC11] Re: HC711 pinout > Mike Phillips wrote: > > ...

68HC11E9 - Usable Memory for Programming?   [4 Articles]

Hello all, I am using an HC11EVBU2 board with an HC11E9 chip on it, and it also appears to have some external memory on the board as well. I'm trying to find room to write cod...

Re: Basic electronics question

On Mon, Jun 03, 2002 at 03:15:49PM -0500, Technical Operations wrote: > **sorry for slighltly off topic, i dont have anyone else to ask immediately** > > Questio...

Re: Re: 27c256 failure

I had this problem with eproms for other micros years ago. I found a couple of solutions that worked for me: 1. GOOD ERASE - Leave the eprom in the eraser for 3x...

Re: Re: HC711 pinout

----- Original Message ----- From: "Mike McCarty" To: Sent: Wednesday, August 16, 2006 2:14 PM Subject: Re: [m68HC11] Re: HC711 pinout > Mike Phillips wrote: > > ...

Changing the prescaler..

Does anyone know how to do this? I know they are using the IAR c compiler for their main code. Thanks Mac > Hey Mac, > What I'm trying to do is chan...

RE: EVBU HC11E9 Memory

Most EVBUs came with some extra processor chips: either windowed EPROM or OTP. These have 4K of memory below BUFFALO. If you don't still have the extra chips, the O...

Re: Re: 27c256 failure

I just tried the "all zeroes" approach, and four out of four devices programmed and verified with all zeroes in the EPROM. I had one that failed blank check before ...

Re: adding memory   [2 Articles]

Mike, You should definitely read up on the "Pins and Connections" section of the HC11 manual (which you can download in PDF from Motorola) http://e-www.motor...

RE: Re: 27c256 failure

To follow Calamity Jane, check for cold solder joints. They are notorious for working an amount of time and then failing without explanation. Emmett Redd Ph.D....

Re: Conversion question MC68HC811E2CFN2 to MC68HC711E9CFN2   [3 Articles]

In a message dated 11/14/02 9:43:27 AM Eastern Standard Time, writes: > Can anybody give me some advise for converting code used on 811e2 to 711e9? > These p...

XIRQ going above Vdd but not for programming   [2 Articles]

Hi all, Does anyone know if while the HC11 (the 68HC11E0 in particular) is running in expanded mode, and the XIRQ input(which also happens to be Vpp for the E ...

Re: Config Register   [4 Articles]

I have a 68hc711e9 part with 12k EPROM, 512k RAM and 2k EEPROM. I am not using any external memory. --- In , BobGardner@a... wrote: > > In a message dat...

Re: expanded mode configuration   [5 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...

'E1 and Extended Mode   [8 Articles]

Hello, Up until Motorola discontinued the 'E2, I was a religous user. Now, based on what I can get my hands on, I have switched over to the 'E1, but am having ...