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

Re: EVBU BOARD FOR SALE

I've been asked how much I would be selling the EVBU and related hardware for. With the expansions, the capabilities of this board (if fixed) are roughly similar to the CMD-11E1...

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 ...

RE: External RAM and EEPROM

I once put a 32K NVRAM on ports A and B on a 711E9 based EVBU. It was for archiving data so I just accessed it through the ports while in single chip mode. BUFFALO let me drive...

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...

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 ...

C code for MC68C711E9 controller using Freeware GCC Ver.3.3.6   [2 Articles]

Hi All, =20=20=20 I had written a simple C program for M68HC711E9 Controller using Freeware= GCC version 3.3.6. Also i compiled using GCC with vectors.c file and Linke= r fi...

Simple C program for MC68HC711E9 Controller to display a LED

Hi All, =20=20=20 I had written a simple C program for M68HC711E9 Controller using Freeware= GCC version 3.3.6. Also i compiled using GCC with vectors.c file and Linke= r fi...

Fwd: C code for MC68C711E9 controller using Freeware GCC Ver.3.3.6

=20=20 Hi All, =20=20=20 I had written a simple C program for M68HC711E9 Controller using Freeware= GCC version 3.3.6. Also i compiled using GCC with vectors.c file an...

Re: MODA problems...again   [2 Articles]

Unfortunately, after about a month (on and off) of debugging my board, I have decided to scrap it and start over. I'm much too frustrated with it, and the last time I plugged it i...

External Memory Troubles   [4 Articles]

Hi everyone, I'm new to this forum. I'm currently working on a project where I'm using my old MC68HC11EVBU that I got in school way back in 1998. I've been having trouble gett...

RE: 68HC11E9 - Usable Memory for Programming?   [2 Articles]

I cannot answer all your questions, but see below for what I can answer. Emmett Redd Ph.D. mailto:EmmettRedd@Emme... Associate Professor (417)836-5221 D...

Re: 68HC11 Project

On 18 Nov 2005 at 15:07, nilesfantasy wrote: > I was wondering if anyone could suggest a simple project that could be > conducted on the Motorola 68HC11. We had original...

Need help   [3 Articles]

Hi for All My attached program is used to generated PWM, but I dont know how can make it work as variable frequency ,if you know how can we make this program work as co...

buffalo isr problem   [4 Articles]

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 ...

Loading Buffalo into NVRAM   [2 Articles]

Hello everyone, I have one of the old (but still useful) EVBU boards with a HC711E9 on it. I've interfaced a DS1230 (32K x 8) NVRAM for use in expanded mode...

Programming 68HC711E9   [3 Articles]

I have 100 of the 711E9 mask described in http://www.freescale.com/files/microcontrollers/doc/errata/MSE711E9_4K81H.pdf and all attempts to write code into t...

RE: Re: downloading my code onto 68hc11 (using buffalo Chip)

To automatically start running out of reset, you need to pull PE1 high(? Opposite of how it is set when BUFFALO automatically starts running). The Motorola EVB and ...

Not sure about how to write this program on a clock   [3 Articles]

Can anyone suggest somne kind of algorithm or a flowchart( which I dont know how to make) on a program that keeps track of a 24 hour time period that is displa...

Re: Re: External EEPROM Got Erased

It would not have been a Symbol PCM2700, would it? We have a few of these laying around. I attempted to write a simple eVb program for them but for some reason the thin...

Re: Need help On 24 hour program   [2 Articles]

--- In , "Tony Papadimitriou" wrote: > Begin by thinking out the problem instead of immediately asking for help. > > Do you know how to del...

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: power supply needed for m68hc11evbu   [2 Articles]

--- In , stephen.culhane@t... wrote: > Anyone know where I can get a cheap power supply for Moto > M68HC11EVBU? Which EVBU do you have? The one I own has "HC11...

Re: .bmp to .s19

Well, .s19 is simply an ASCII representation of the contents of a binary file. You can find a description of the .s19 format in almost any manual for a Moto EV...

Re: Buffalo manual

--- In , "Bill" wrote: > I have been RTFM and want to > know if there is more than one & > if so where or how do I get a copy of > a better...

I/O expansion   [2 Articles]

--- In , "Bob Smith" wrote: > Sorry about the typo -- > > > See the 74HC165 for input ports and the 74HC794. > > should read - > > > S...

RE: Buffalo: no command prompt ">"?

Hit the Enter (carriage return) key. Emmett Redd Ph.D. mailto: Associate Professor (417)836-5221 Department of Physics, Astronomy, and Materials Science Sout...

Buffalo: no command prompt “>”?

I am trying to get an old M68HC11Evb running again using the BUFFALO firmware that came with it. The problem is that after power up or reset I do get the "B...

Re: HC11 with Ethernet

--- In , BobGardner@a... wrote: > In a message dated 1/25/04 8:40:49 PM Eastern Standard Time, > kevin_jing_qiu@y... writes: > > Have anyone of you guys ever ...

had to get the hc12

I've run out of memory since the hc11 only has 512 bytes of eeprom. Anyhow, i m borrowing someone's hc12 evbu. Does anyone here know how to go back to terminal co...

RE: 68HC11EVB and DS1744 RTC

I thought the Buffalo ROM was located at $E000 - $FFFF on the EVB. Also, I didn't think that $7FF8 - 9 violated any other decoded address space on the EVB. Janet L...

Adapt11 EVB board   [4 Articles]

Please help. I recently obtained the Adapt11 EVB board and am having trouble with the software packaged with it. When I try to run the setup program for microload...

adding memory   [7 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: M68HC11EVM & Windows XP

Dear Clamity, When you say that you have an EVM, do you mean the big board that is a little bit bigger than a standard size sheet of paper? It that is the cas...

LCD confusion

Hi we are trying to modify this code (given to us by the company) so that we can take a value from the A/D and ouput it to the LCD screen. This seems simple enoug...

LED problem   [2 Articles]

Hi, I am using a MC68HC11 E9 EVB . and I hocked up 8 LEDS to the board through PORTB . and I wrote a program that simply turns on a selected LED. but unfortunat...

EVBU Problems   [3 Articles]

Greetings, I just found this list while looking for solutions to a problem that I have with my EVBU. I don't know if any one on this list can help out, but I...

RE: Need debugging techniques on ADC to LCD   [2 Articles]

I have tied the following pins high through a 10K resistor: IRQ, XIRQ, RESET, STRB,STRB(R/W),E and AS. The program stops after a few minutes. I still have to try th...

Re: Register location reg   [2 Articles]

----- Original Message ----- From: Anand Arumugam <> To: <> Sent: Monday, February 24, 2003 7:03 PM Subject: [m68HC11] Register location reg > In our pr...