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68HC12
Join our technical discussions about Freescale Microcontrollers: M68HC12. (Freescale Semiconductor is a Subsidiary of Motorola).
Search Results for "spi"
Re: force port S to output all '0'
Angel Castillo - Jul 5 2008
You don=B4t need any mosfet for controll led
you may controll with direct conecct to pin ports with
resistor 330 or 470 ohms.
i think you program is correct
maybe your prob... 
RE: Analog converter protection
=?ISO-8859-1?Q?Ruben_J=F6nsson?= - Apr 24 2008
I usually do like this for protecting circuits connected to external
components:
Terminal - Emi filter - resistor - tranzorb - resistor - ic pin
Emi filter both blocks nois... HC12 and SD card [2 Articles]
adeshere - Apr 15 2008
Hi,
I am trying to talk to an SD card via SPI.
I can set up the card and read the CSD CSI registers.
BUT
When i read data from sector 0, i get the FF 00 to indicate tha... MMC/Sd CARD Interface [2 Articles]
jehenzeb2978 - Feb 24 2008
Hi All,
I am going to interface MMC/Sd card with 9S12DP256B.
If someone has done this task already, then please send me the low
level routines in SPI Mode.
Thanx
Mi... Re: SPI with PNI V2XE
lane...@gmail.com - Nov 27 2007
I have the exact same problem using an MSP430 board. Any help would be greatly appreciated.
>
>
>
> I am using PNI's Vector 2XE compass with a DP256B. This device u... sample codes on ATD,SCI, SPI, TIMER MODULE
Mallikarjun Reddy - Nov 20 2007
Hi,
Can I know where I can get the detail information on the basic steps
to write program for the interrupt in C? Any sample code as a reference?
Basically, I will use SCI, ... Re: sample codes on ATD,SCI, SPI, TIMER MODULE
=?ISO-8859-1?Q?Ruben_J=F6nsson?= - Nov 19 2007
Hello,
For this matter I have had good use of the free Codewarrior with Processor
Expert and its Beans.
It lets you define your peripheral hardware and/or software function... Hi
Mallikarjun Reddy - Nov 19 2007
Hi,
Can I know where I can get the detail information on the basic steps
to write program for the interrupt in C? Any sample code as a reference?
Basically, I will use SCI, ... Can SPI read a 16 bits data set?
ly_haw - Nov 15 2007
Hi,
I am using 9S12DP256 microcontroller for my school project. In this
project, I need to read a 16 bits SPI data from a device. As I know,
the microcontroller SPI data re... Can SPI read a 16 bits data set? [2 Articles]
ly_h...@yahoo.com - Nov 14 2007
Hi,
I am using MC9S12DP256 microcontroller for my school project. In this
project, I need to read a 16 bits SPI data from a device. As I know,
the microcontroller SPI data ... Re: does anybody know what happened to this company?
joncas04 - Oct 19 2007
There is also a very well crafted FREE fat16-fat32 implementation:
http://elm-chan.org/fsw/ff/00index_e.html
Not for the HCS12 specifically, but all one needs to add is the
de... Re: reading data from SD card on UF32
joncas04 - Sep 24 2007
If you can advance so far as to be able to read and write single
sectors from the SD card via the SPI interface, then you can use the
FAT32 code created by ChaN:
http://elm-ch... Connecting a Graphical Lcd to a HCS12E256 via SPI
zaheer - Sep 19 2007
Hi Guys,
I want to connect a Graphical Lcd to a HCS12E256 via SPI.
The Lcd that i am using is a Samsung device S6B0724.
If any of you guys have done this previously please wil... Re: Re: spi debuging problem
bailao - Sep 7 2007
Hi,
I have try your approach,but it dose not work.
Bailao
======== 2007-09-05 19:31:00 您在来信中写道： ========
Hi,
I've also had some problem with SPI (my prog has ... Re: code for ia4420
ratk...@gmail.com - Aug 10 2007
Hy,
I'm newbie here and some weeks ago I had the same problem with IA4420. The problem was with the nSEL, because I use an AT MEGA8 and it has a 8 bit SPI and the IA4420 uses ... ia4420 problem
=?ISO-8859-1?Q?R=E1tkai_Zolt=E1n?= - Aug 10 2007
Hy,
I'm newbie here and some weeks ago I had the same problem with IA4420.
The problem was with the nSEL, because I use an AT MEGA8 and it has a
8 bit SPI and the IA4420 uses ... Re: code for ia4420
ratk...@gmail.com - Aug 10 2007
Hy,
I'm newbie here and some weeks ago I had the same problem with IA4420. The problem was with the nSEL, because I use an AT MEGA8 and it has a 8 bit SPI and the IA4420 uses ... S12D/E pad layout [2 Articles]
"James M. Knox" - Jul 18 2007
I've used the 912D60A for years. It's time to move up to something
better - and that appears to be something like the S12D64 or the
S12E64. [All I really need is reasonable... Problem with spi clock [9 Articles]
Pascal - Jun 4 2007
Hello,
I use 9s12xdpa512. Fbus is 40Mhz. I use spi clock at maximum frequency (spibr=0). In my case the frequency is 20MHz. My card is four plane.
When i put the scope on the s... Re: LCD assistance
robm...@web.net - Apr 19 2007
You don't specify but I assume you are referring to a typical 14pin lcd
module powered by a Hitachi HD44780 driver chip. If by serial you are
referring to the SPI, it isn't diff... Log2Phy Issue????
bkmo...@jlg.com - Apr 13 2007
Hi all,
I've got bootloaders written for the DP256(B) and DP512 MCUs. I was
testing downloading to all of the pages by org'ing a test string at the
beginning and end o... Bluetooth modules
Mohammed El Korek - Apr 4 2007
Hello,
I am looking at a Bluetooth OEM module called the KC-21. This module has a
24 pin IC which allows interfacing options to an SPI and a UART (SCI in
hcs12 terms).
I wa... Re: URGENT! temperature sensor
robm...@web.net - Apr 3 2007
I don't think you can beat an spi/ic solution for quickness and
convenience. I used a maxim chip for this little NE64 server at
http://temp.web.net that checks the ac in a ser... Fwd: A little help
Mohammed El Korek - Feb 8 2007
I actually had a bit of trouble finding a reliable source of information for
interfacing RF transceivers to a 68HCS12 using the SPI... the group gave in
their suggestions earlier... Re: S12 External bus question [2 Articles]
Adrian Vos - Feb 7 2007
The MCP2551 is a CAN transceiver.... but I need a CAN controller. I believe
you may have been referring to the MCP2515 which is a CAN controller with
SPI interface. Unfortunate... Re: Question SD CARD [3 Articles]
Peter Lissenburg - Jan 11 2007
I have not worked on this for a while, but I will be soon. From memory, I did
find some cards that would work OK in a PC card reader, and yet behave this way
in SPI mode. My ex... Re: RF transceiver ideas [2 Articles]
=?UTF-8?B?Wm9sdMOhbiBLw7Njc2k=?= - Dec 19 2006
On Tue, 19 Dec 2006 18:47:35 +0400
"Mohammed El Korek" wrote:
> Hello everyone,
>
> I am just beginning to look into the possibility of interfacing an RF
> transceiv... External Memory Capabilities of the HC12 [7 Articles]
zajaco2 - Nov 15 2006
Hello,
I am relatively new to the 68HC12 (about 5 months) and I'm using it in a
project that I've been working on. I know that the 68HC12 has an external
addressing scheme ... Re: SD Card [9 Articles]
Donald E Haselwood - Nov 13 2006
Omar,
Check the following url--
http://www.flashgenie.net/
Regards,
Donald E Haselwood
On Monday 13 November 2006 19:30, Omar Leonardo N霉帽ez Gualdr貌n wrote:
> H... Connect LCD via SPI
stephan_bauer01 - Nov 11 2006
Hello,
I'm a beginner an I need some help with connecting a LCD via SPI.
Sorry for my english.
I want to reprogram a existing board and I can't show data on the
display til... Re: Burning into the eeprom [2 Articles]
Edward Karpicz - Oct 10 2006
c...@yahoo.com wrote:
> Hello everyone my name is Cristian and I am new to the group, I been
> reading some of the post place on the eeprom section but I have not found
> ... Re: USB to CAN?? [2 Articles]
Jefferson Smith - Sep 13 2006
--- In 6...@yahoogroups.com, "Adrian Vos" wrote:
> I thought it would be a simple task.... find a microcontroller
> with USB support and CAN support. It turns out there are ... Re: Can someone help me here please? hc12 board [3 Articles]
Mohammed El Korek - Sep 5 2006
Hello Caroboy,
I did a project using the Minidragon+ board and ICC12.... are you finding
trouble setting up the ICC12 environment or do you want some tips on how to
build your... Flush SPI transmitter
gprofos - Aug 30 2006
I use HCS12 SPI as a serial transmitter in slave mode. How can I flush
the Tx Data Register?
... Re: OT : Is SRAM dead ? [2 Articles]
David Simpson - Aug 21 2006
Jeff McKnight wrote:
> Hello All,
> I need a lot ( ~2 Meg) of data storage and I was just planning
> on bit-banging four 512k SRAMs with an HC12. It seems, however,
> from... RE: MC9S12DP256B security
Tim Milliken - Aug 7 2006
Also do not allow any LARE(load ram and execute) to take place. That is a VERY BIG security risk. Cause one can write download code to basicly read the flash contents and spit it b... code for ia4420 [4 Articles]
Pascal DEREX - Jun 28 2006
Hello,
Is somebody would have used the component ia4420 from integration?
I am looking for example code with spi protocol with 9s12 or other.
Thank you
Regards
[Non-te... SPI Cable Length [4 Articles]
rudycepeda - Jun 19 2006
Hi All
I'm using the SPI of the MC68HC12B32 for comunicate it with an
ADIS16003 accelerometer. I have some troubles with the signals
integrity, and I can not find where is t...