Hello, I have done otherthing. With the debugger i write 2 at 0x400. After I turn off and on my card and the value is 0x0DBC. I don't understand why the data...
Hi I still have a problem with communications S12A64 with AT45DB041B. After init: DDRM|=0x38; DDRM&=~0x04; PTM=0x10; MODRR=0x10; SPI0BR=0x00; SPI0CR1=0x10; ...
Hi Steve, Thanks for your tips!! I'm still dealing with the same problem. As you suggested, I have a very simple project. Just the CAN bean and a Timer. ...
You may want to bear in mind that the Atmel part has two SPI clock modes SPI Mode 1 and SPI Mode 3 relating to CPOL and CPHA this is outline on page 3 of the...
Hi Sabina, The way CAN works is that a second CAN device must be there to insert a dominant ACK bit into the recessive ACK slot in order for the transmitter to...
What is the easiest way to measure the frequency of a external signal? The signal comes with standard voltage levels (0 / 5VDC) and the frequency is somewhere...
All: There are a couple of solutions that I have used in the past with good success. One is the HP HCTL2016 series quadrature decoder IC. It is basically a...
Darrell N.
darrelln@...
Jun 1, 2004 3:50 pm
7207
The data sheet for the HP HCTL2000/16/20 gives a comprehensive description of the hidden mechanisms and internal secrets of their chip including examples of...
Yes, on the last project I did we used the LS7084 and chose a processor (the Temic now Atmel 8051) that had Count and Direction inputs. On overflow/underflow...
Bob, On a quick reading of the data sheet, it looks to me like it might work to gate *WE and *RE with the HC12's chip select, and drive the flash's *CE off a...
Stephen Trier
sct@...
Jun 1, 2004 6:35 pm
7210
Your message doesn't contain a question. What is it doing/not doing that you found it necessary to post a message? A one ms delay implies 1,000 steps per...
Hi Mahesh, You mean the call to main from the startup routine? Check the content of the startup descriptor (_startupData.main) in the debugger. This used for...
Hi group, I've noticed how many of you delete the prior parts of a message thread. I would expect that this is a considerate convention for those lost souls...
Here's another suggestion that will help you out. I had to write a CAN application in assembly for the 68HC12D60 chip where I set up standard filtering with...
Hi Bob Sorry, mate, actually I find the reverse to be true! I have these messages bundled & sent to me once or twice a day on email, and find I am often...
Hi We used a FT232BM (http://www.ftdichip.com) with no problems, good for low-speed and full-speed (if that's all you need). Big advantage for us is that one...
... You could, of course, always go to: http://groups.yahoo.com/group/68HC12/ which provides a searchable archive of messages posted since the list moved to...
Marcus Salathe
mxinv@...
Jun 2, 2004 12:26 am
7217
From time to time I keep the last email on a discussion. If the last email does not have the whole thread, but the advice stand-a-lone then that's fine. It...
Theo, Omitting, but not ignoring previous parts of (interesting) message thread ;o) On Monday, May 31, 2004 12:00 AM you were: - ... Log (base10) of say ten...
Hello, I don't undersant very well wich values should i put in these registers. My eeprom is at 0x400 to 0x7FF My RAM 0x800 to 0xFFF I have INITRM=9 INITEE=1...
...or just go to: http://e- www.motorola.com/files/microcontrollers/doc/fact_sheet/MC9S12UF32FS.pd f and read about new S12 silicon number UF32 with direct USB...
Pascal, The 9S12A64 has 4K of internal RAM which may be mapped to start at any 4K address boundary (0x0000, 0x1000, 0x2000, ... 0xF000). It also has 1K EEPROM,...
Doron Fael
doronf@...
Jun 2, 2004 11:22 am
7223
... Yes, I use Mode 0 (CPOL=0, CPHA=0) - AT45 work at this mode....
... ... How I should read received byte? If I write to SPIDR new byte, it will be a new command and I can rewrite receiwed byte. How I can do it? When I add...
Is the 9S12UF32 with built-in USB support available now? Kevin ... From: jasa.rm To: 68HC12@yahoogroups.com Sent: Wednesday, June 02, 2004 7:09 AM Subject:...
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