MC68HC711E9CFN2

Started by chonchet1 in M68HC1117 years ago 1 reply

Hi, Can anyone give me some suggestion about the above microcontroller? I have developed a application program by using the...

Hi, Can anyone give me some suggestion about the above microcontroller? I have developed a application program by using the CME-11E9-EVBU development board, where the starting address and reset vector both at $E000, RAM at $0200, STACK at $0FFF, and EEPROM (for data storage


Microcore11 EEPROM programming problem

Started by isura21 in M68HC1117 years ago 7 replies

Hi, I am working with a Microcore11 board with an HC11 E0 chip. I have been unsuccessfully attempting to reprogram the EEPROM on...

Hi, I am working with a Microcore11 board with an HC11 E0 chip. I have been unsuccessfully attempting to reprogram the EEPROM on the board, using both MicroLoad and JBug. I have tried the suggestions on the FAQ on the Microcore website www.technologicalarts.com ,but no luck.


Interfacing MC68HC11F1 with external SRAM

Started by jackson_cp in M68HC1117 years ago 8 replies

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

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 with the chip. How I can interface External SRAM to MC68HC11F1. What to do with OE and WE\ pins of SRAM. If I am usin


Input/Output using port A

Started by cheol1217 in M68HC1117 years ago 8 replies

Q) You are required to read the 8 switches and control the LEDs using port A in real time. You need to control the LEDs in at...

Q) You are required to read the 8 switches and control the LEDs using port A in real time. You need to control the LEDs in at least 3 different ways of circulation in real time, which should be selected by pushing different pushbuttons. You need to consider hardware connection yo


Motorola D15 GSM data Module

Started by velja_c in M68HC1117 years ago 4 replies

Hi, How to interface this module to MCU. I like to send data in a SMS form. Is it necessary to use all control lines (RTS,...

Hi, How to interface this module to MCU. I like to send data in a SMS form. Is it necessary to use all control lines (RTS, DTR...) Velja


expanded mode configuration

Started by Naveen P N in M68HC1117 years ago 8 replies

Hi, I'm quite new to the HC11 architecture. I've been able to install the GNU C compiler and got it working. But I wanted to know...

Hi, I'm quite new to the HC11 architecture. I've been able to install the GNU C compiler and got it working. But I wanted to know how to configure the system to use it in expanded mode. I want to load the PROM and use it with the 68HC11F1. I know that the MODA, MODB pins should be


Axiom 68HC11E1 CMD11E1 Buffalo Monitor cannot work.

Started by usa_jian_yang in M68HC1117 years ago

Hi everyone; I got 2 Axiom 68HC11 CMD11E1 boards used by other guys before. But Buffalo Monitor cannot work. I install...

Hi everyone; I got 2 Axiom 68HC11 CMD11E1 boards used by other guys before. But Buffalo Monitor cannot work. I install AxIDE on windows XP. set serial port option: 9600, N, 8, 1, off, off, off. When I reset the board and press enter key , I can see the cusor _


XIRQ

Started by quyenqtran in M68HC1117 years ago 3 replies

I would like to use the XIRQ interrupt as a power loss detection. I have it connected to Vdd thru an external pull-up resistor. So ...

I would like to use the XIRQ interrupt as a power loss detection. I have it connected to Vdd thru an external pull-up resistor. So whenever the power about to go out, I need to update 6 bytes of the Internal EEPROM. Appearantly, it is not working. The XIRQ does not detect when th


changing bprot

Started by angel_prints_198 in M68HC1117 years ago 8 replies

hi! i'm using an hc11a1 chip... i want to write to its internal eeprom but apparently, writing to eeprom isn't allowed. i checked ...

hi! i'm using an hc11a1 chip... i want to write to its internal eeprom but apparently, writing to eeprom isn't allowed. i checked the config register & it appears to be 0d... the bprot register on the other hand is ff... i tried changing it to 00 but i get errors... does anyo


GUI with MC68hc11E9

Started by chonchet1 in M68HC1117 years ago 2 replies

Hi, Can anyone give me some guidelines on Designing a Graphic User Interface for 68hc11e9 microcontroller? I had developed a...

Hi, Can anyone give me some guidelines on Designing a Graphic User Interface for 68hc11e9 microcontroller? I had developed a program on mc68hc11e9 development board. The program will do different tasks depending on "key" input by user. It's means that the program will


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