Hi, I am having a Motorola HC12DG128 EVB and SDI cable. Using MCUEz as PC interface. I want to use PORTH key wakeup interrupt. I coded the following program...
... Bandara, It is possible you are not holding the Port H interrupt pin, in the interrupt state long enough. The data sheets specify the minimum time an ...
Doron Fael
doronf@...
Jan 2, 2003 7:00 am
1932
Hello everybody, Can I Know How to access the data while in LoopBack Self test mode. I am using 12DP256pv, Motorolla Kit. Since in the Manual it is given that,...
The important thing is to provide is the dominant / recessive capability at the electrical level. Study into the Wire OR configuration for your CAN pins. See...
Do you have any code that can do that, I would be very interested in getting the sub routine and examining that. Is that like a mag pickup input to the unit,...
have downloaded the schematic of the DP256 evaluation board and found adjustable voltage regulator (U8=LP2951) in the circuit. The DP256 contains internal...
Hi, I tried out a timer interrupt tasker on the HC12A4. With each task running in its own code page ( if you will). You most likely know most of the detail -...
Francois
francois@...
Jan 2, 2003 5:28 pm
1937
Can anyone tell me where I may have gone wrong? I am using one of Oliver Tham's HCS12 T _Board connected to a Designer Systems DS-LCDD2 through the I2C port. I...
I was hoping that SMT rework stations would be cheaper by now. Does anyone have any ideas for simple SMT rework? I'm having a problem removing simple things...
The external voltage regulator for the core supply was put on the DP256 EVB for initial silicon evaluation (in case the internal voltage regulator didn't ...
You might want to check out the "tweezer" approach. Many solder station manufactures sell a thermal tweezer accessory that work with a standard solder station....
Dan Clark
dclark@...
Jan 2, 2003 6:56 pm
1941
... that pouring more processor performance into the system is too expensive and will require too much space. The compromise seems to be to have the high...
Bob -- Have you looked at the PACE solder/desolder stations?? They deliver a lot of value at about the best price I have seen. The fact remains, that these ...
Thanks to everyone who responded, it is obviously a topic close the many hearts. Once the penny dropped about separate stacks (I went back through some 68300 ...
I don't have code working yet, that's why I posted here. :) Judging from the way the CAS signal looks I would guess that it's mag pickup or something. A...
Okay I've tossed this together into a stand alone program. I messed around with your code/my code quiet a bit, so I'll give you the simplist version with just...
... Wait a minute...Are your testing the codes in RAM? The settings I wrote are using interrupts, so if your testing it in RAM how is IC3 interrupt being...
Jeff, I have a calculation of duty cycle using an A4 with and ADXL202 accelerometer device. These devices have a fixed period variable duty output relative to...
It turns out the I bit did get set so I had to first clear the TFLG bit associated with Timer5, then do a CLI, and everything turned out okay. Now however, I'm...
In a message dated 1/3/03 10:14:54 AM Eastern Standard Time, ... I recall an errata that says something about an I interrupt happening during an rti will cause...
Okay, I have roughly 4000 lines of C++ code developed in Metrowerks CodeWarrior for the STAR12. The code seems to work fine for the most part as long as my...
Bob, This is the sort of problems that are very easy to find and resolve using a full-featured emulator. In such full featured emulator, you simply set a trace...
Doron Fael
doronf@...
Jan 5, 2003 8:27 am
1955
On the 9S12DP256, if I read the docs right, it has a PPAGE register but no DPAGE or EPAGE register. Does the PPAGE register apply to data accesses as well? If...
I need to put a posting somewhere that somebody at Motorola might read. The availability of HC12 parts is appalling. All the fantastic engineering, product...
Rob, Although it is called "PPAGE" it affects all memory accesses to the "Program Window" located from 0x8000 through 0xBFFF in the 16 bit address space. You...
Doron, Do the Nohau emulators need a board to plug into? Or do the Nohau emulators come with an "eval board" of sorts? I do not have socketed MCU, so I would...
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