needed programmer for (HCS12X) MC9S12XDT512CAA

Started by mohan kumar in 68HC129 years ago 6 replies

hello,=A0=A0 =A0 =A0 =A0 so far, i was using PBMCUSLK Project board and SLK= S12XDT512. for learning purposes, now i am developing a...

hello,=A0=A0 =A0 =A0 =A0 so far, i was using PBMCUSLK Project board and SLK= S12XDT512. for learning purposes, now i am developing a accelerometer using= mc9s12xdt512caa microcontroller along with lcd display.=A0=A0=A0 =A0 =A0 = =A0for the above i need seperate programmer for loading my codes into the c= ontroller. can you suggest me a low cost programmer available for the same = controller....


Error While Writing to FFE6..101E6 !

Started by michael in 68HC129 years ago 2 replies

I debuging program for 9s12DP512 then appear the notice on. i using TBDML to debug. "ELF loader: error while writing to FFE6..101E6" "HI-WaVE:...

I debuging program for 9s12DP512 then appear the notice on. i using TBDML to debug. "ELF loader: error while writing to FFE6..101E6" "HI-WaVE: unable to connect to target cpu" i use unsecure cpu but no change. Who can help me with experience? ------------------------------------


SEEKING HELP IN INTERFACING LCD AND KEYPAD

Started by miron in 68HC129 years ago 3 replies

HAI; I WOULD LIKE TO GET A SAMPLE PROGRAM IN INTERFACING LCD AND KEY PAD SUCH THAT DATA ENTERED IN THE KEYPAD WILL BE DISPLAYED ON...

HAI; I WOULD LIKE TO GET A SAMPLE PROGRAM IN INTERFACING LCD AND KEY PAD SUCH THAT DATA ENTERED IN THE KEYPAD WILL BE DISPLAYED ON LCD......................... ------------------------------------


8 bit signed to LED's

Started by AlD in 68HC129 years ago 8 replies

I am starting to write a assembly program for a mc68hc12. I will be reading a 8 bit signed number into PortA and outputting the results to 7...

I am starting to write a assembly program for a mc68hc12. I will be reading a 8 bit signed number into PortA and outputting the results to 7 segment LED's, common anode. I will be using Port P to ouput the segments and PortCan to control the LED's displayed. I assume I need 4 LED's, 1 for the sign and 3 LEDs for the max number of 128. If I hard wired the data in I get something like below. How wou...


Problems with EEPROM Writes on HC9S12XD256

Started by "Tennies, Joseph C." in 68HC129 years ago 3 replies

I have been trying to write to the EEPROM on the HC9S12XD256 processor and have been having problems getting it to write. The OSC is 12 MHz,...

I have been trying to write to the EEPROM on the HC9S12XD256 processor and have been having problems getting it to write. The OSC is 12 MHz, but we run the PLL to bring it up to 48 MHz. Our EDIV is set to 60 (with no PRDIV8). The following code is on FreeScale CodeWarrior 4.7. Is there something blatently obvious that I'm doing wrong? (I know I need timeouts instead of infinite whil...


Interrupts in C

Started by Doegon in 68HC129 years ago 4 replies

Hi guys i'm really struggling with setting up interrupts and using them in a program to read keys and display them on the seven segment display on...

Hi guys i'm really struggling with setting up interrupts and using them in a program to read keys and display them on the seven segment display on the dragon 12 card.please help,an example code will be much appreciated. Thanks ------------------------------------


HCS12 to HCS12 Port interfacing

Started by Jerry Fields in 68HC129 years ago 5 replies

Hello, I have two MC9S12DP512 microcontrollers, and I need to interface them. The first mc9s12, has port P set to output, the second mc9s12...

Hello, I have two MC9S12DP512 microcontrollers, and I need to interface them. The first mc9s12, has port P set to output, the second mc9s12 has port T set to input, and I want to connect one line on those ports. There are no large amounts of data being sent, as I am just holding the line high or low. My question is, do I need a current limiting resistor in between the two? I have not yet fo...


Controlling a Servo with the HC12?

Started by defe...@gmail.com in 68HC129 years ago 18 replies

Hello, I am trying to control a Parallax Continuous Rotation Servo (#900-00008) using my MC9S12C128CFUE. I need to to use PWM to give a pulse...

Hello, I am trying to control a Parallax Continuous Rotation Servo (#900-00008) using my MC9S12C128CFUE. I need to to use PWM to give a pulse 1.5ms(rest), 1.3ms (clockwise), and 1.7ms (counter-clockwise) every 20ms/50Hz. I can spin the motor, but it only ever spins in 1 direction and I can not make it stop spinning even if I try to calibrate it. Any help is appreciated. Here is my current co...


Dragin 12 board lcd help

Started by bjc_dude in 68HC129 years ago 3 replies

Hi All I need some help?. I need help with writing a program to display a name on the lcd of the dragon 12 board. I am writing this program in...

Hi All I need some help?. I need help with writing a program to display a name on the lcd of the dragon 12 board. I am writing this program in assembly using ASMIDE. What I am having a hard time finding is the proper port(s) to use and/or the memory address of the lcd. Any help would be appreciated. bjc ------------------------------------


VCC and Ground

Started by Thai in 68HC129 years ago 6 replies

Hello all, I just purchased a Minidragon plus2 board and would like to interface it with a 16x2 LCD display but I could not find where VCC and...

Hello all, I just purchased a Minidragon plus2 board and would like to interface it with a 16x2 LCD display but I could not find where VCC and GROUND on the board to power the LCD. Also do I really need a 10K POT to turn on the LCD or is it for contrast control Thanks ------------------------------------


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