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68HC12
Join our technical discussions about Freescale Microcontrollers: M68HC12. (Freescale Semiconductor is a Subsidiary of Motorola).
Search Results for "i2c"
9S12X I2C Help
Michael Burgess - Jun 12 2007
Hello Everyone,
I'm trying to use the I2C on the 9S12XDP512, to communicate with an
FRAM, RTC/processor companion chip.
I have initialized the I2C registers, set the priority o... 
External Memory Capabilities of the HC12 [6 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: OT : Is SRAM dead ?
Jefferson Smith - Aug 22 2006
--- In 6...@yahoogroups.com, Jeff McKnight wrote:
> You didn't look good enough. Go to that link and at the bottom
> of the
> page under "Product Line-up"
> click on an... another question about I2C
elalex_76 - May 14 2006
What frequency do i have to set the bus on the MC9S12DP256B i2c bus? I
am using SRF08 ranging sensors, but i'm not sure if i need to set it
at 100Khz or if the sensors work at a ... I2C question?? [3 Articles]
elalex_76 - May 12 2006
Hello, i had been trying to work with MC9S12DP256B board and SRF08
sensor that makes use of the I2C bus, pins j6 and j7 ,SDA & SCL. I
haven't been able to communicate with the de... I2C problems [3 Articles]
iamthewilldinkel - May 8 2006
Hi all,
I'm using the HCS12 on a PK-HCS12E128 dev board. I'm trying to
interface with a D51307N real-time clock chip using the I2C bus and
having some issues.
Can anyone p... I2C bus? [7 Articles]
elalex_76 - Apr 25 2006
I got the Motorola MC9S12DP256B made by Axiom Manufactoring and i
don't think it has a I2C bus. Is there a way to connect a sensor
(Devantech SRF08)that uses I2C bus to the seria... Re: BootLdr and App in the same CodeWarrior Project [2 Articles]
Michal Konieczny - Feb 21 2006
>>your design is nowhere near the robust one. What happens when you
>>erase page 3F and then there's power loss or even some glitch that
>>forces MCU
>>to reset ?
>
> Just aft... Re: HCS12 and Sensor
Robert L. Harris - Nov 16 2005
Analog Devices AN7414 10-bit digital temperature sensor. Interfaces to
the microprocessor via the I2C port.
Ramsin Savra wrote:
>
> Hello group,
>
> Can som... Remote monitoring using MC9S12NE64
Mark Butcher - Oct 21 2005
Hi all
If any one is interested in remote (temperature) monitoring I have
taken a new demo online. It is using a TCP/IP stack with several
dynamic HTML capabilities t... Re: Work-around for SDA becomming stuck low.
Andrew Lohmann - Sep 29 2005
Thanks Michal,
That worked fine. I set the pin WOMMn true first then waited 5uS between
each pin change. I also waited for the lines to reach 1 when writing 1.
A... Cheap ARM7 LPC210x [3 Articles]
Oliver Betz - Sep 26 2005
Hi All,
http://www.standardics.philips.com/news/lpc210x/
two UARTs, two 400 kbps I2C-bus interfaces, two SPI/SSP interfaces,
four timers with PWM and a 10-bit A... IBDF value
cooltronics - Sep 7 2005
Hi,
I am running a HCS12DJ64 at 40MHz (using PLL) so that gives a bus
clock of 20Mhz. The smart battery which I want to communicate with on
the I2C bus (using the SMBus... Re: Another Programmer confused by IIC [2 Articles]
Jefferson Smith - Jun 30 2005
I had a hard time getting my 9S12DP256 to talk to the I2C port on a Ti
DSP. Finally I found that the SDA pin on my MCU had gone bad. I could
not read the proper value on rec... Saving 2 Bytes, received from I2C???? [5 Articles]
sleidiman - Jun 20 2005
Hello!
I want to use I2C for communication with a DS1721 (temperature sensor).
I finished the init-protcol, but now i have problems to save the
received two bytes.
... Re: IIC Bus on MC9S12DP256
sleidiman - Jun 15 2005
Hello!
I“m only a beginner in programming µC but I try to help you.
I have a similar problem. I want to communicate with a temperature
sensor over I2C.
I show you my i... NewbieQuestion about I2C [3 Articles]
sleidiman - Jun 15 2005
Hello!
(I“ve posted this question on www.freegeeks.net, but I didn“t
receive
an answer)
An absolut NewbieQuestion:
I want to measure temperature with DS1721 (... SMBus HC12D60A - 80 pin
cooltronics - May 9 2005
Hi,
We have a board which has a HC12D60A 80 pin package. One of its task
is to talk with a smart battery on SMBus and provide battery health
monitoring via LED's.
... Bootloader and Vector table. [5 Articles]
bbalend - Apr 18 2005
Looks like my application require two vector table. one for application
and other one is for bootloader. There won't any sci interface
communication, except it will be ... Re: Boot loader [2 Articles]
bbalend - Apr 14 2005
The bootloader will do the following functionality:
Erase Flash EPOROM
Reprogram the Flash
Run application load
listen I2C and SCI bus
Operational sequence:
On... Re: OT: A call to students, hobbyists and other newcomers
JCL - Apr 13 2005
Hi,
I'm not a student but a hobbyist.
I have downloaded all the docs on the Freescale site about MC9S12DP256B.
I have connected I2C components and One-wire component... HCS12 chip selection [WAS: entry level S12 tools] [2 Articles]
Michal Konieczny - Apr 13 2005
>>How many Dabcdefg...256 are there? Which ones will be most
>>interesting to our customers? It's like a huge matrix of
>>
>>Re: IIC Bus on MC9S12DP256
vyeng - Mar 23 2005
Hi,
I am having the same problem as Jean, but I would like an example in C
language for Metrowerks Codewarrior IDE. I am trying to interface the
SRF08 Sonar... IIC bus locks
Flavio Protasio Ribeiro - Feb 7 2005
Hello,
On October 2004 Jordi Costa posted the following:
"I have HCS12 communicating with just an IIC slave device (M41T56,
DS1307). If for some reason (... Re: PTM
- Dec 15 2004
I am trying to set up an interface with stepper motors. I need a
lot of GPIO ports
=========================
This sounds like a job for a system engineer! You n... Problem with I2C Bus [2 Articles]
ymliao - Dec 3 2004
Hi Everyone!
I am using an evaluation board for the MC9S12E128 micro from
Technological Art. I've been trying to get the micro to talk to a RTC
from ST (M... New file uploaded to 68HC12
68HC...@yahoogroups.com - Sep 29 2004
Hello,
This email message is a notification to let you know that
a file has been uploaded to the Files area of the 68HC12
group.
File : /I2C_hard2.zip... I2C interface for 9S12DP256
- Sep 27 2004
Hello !
I'm trying to start I2C bus on 9S12DP256, with ImageCraft Compiler ICC12,
P&E BDM, NoIce debugger, quartz 12 Mhz.
Now without any success.
-:((( ... [ANN] CW12 V3.1 NE64 Service Pack released
MW Ron - Sep 22 2004
CW12 V3.1 NE64 Service Pack
The CW12_V3_1_NE64_SP service pack provides assembly, C, and C++ stationery
for the MC9S12NE64. Each stationery provides C headers fi... Sample code in C using codewarrior for I2C Driver MC9S12DP256 [3 Articles]
dafnapeld - Aug 25 2004
Hi
Please anyone can show me a sample code in C using Codewarrior for reading
and writing using I2C interface for MC9S12DP256 Micro
Thank you
Uri ... Help with I2C hardware on the HC12
thamiral - Aug 23 2004
Hello all,
I am trying to interface my HC12 with an I2C EEPROM and I am having
trouble performing a write to the EEPROM (Model No. M24C02)
The worst part i... Re: Re: I2C ReStart Vs. Stop-Start: SCL/DDL Hold
Ruben Jönsson - Jul 23 2004
> >
> >
> > > My driver has a marginal problem so that the IIC does not stop
> > properly. I guess this could be the wrong timming parameters set.
> > >
>... calendar/rtc [2 Articles]
joncas04 - Jul 19 2004
--- In , "timjenison" Re: Serial Communication and GUI
Eric Engler - Jul 17 2004
> I need to know where I can find examples of how to talk with the
> HCS12 in this way
Which language on the PC do you have experience with? You need to
pick... MC68HC12 Basic Basic Reference Manual??? [3 Articles]
Bob Smith - May 1 2004
Hi All --
Although I lurk here on the possibility that I may be forced to use the HC12
in future and ocassionaly respond to a posting of a general nature, I have... IBFD calculator for IIC bus
Steve-HighPoint - Apr 1 2004
App note 2318/D "Using the I2C bus with HCS12 Microcontrollers" indicates that a software tool for calculating the value of IBFD will be available soon. Has anyone seen... MUCts00513 errata [5 Articles]
Sam Laur - Mar 3 2004
We're using the 9S12DP256C in a product that will hopefully soon
go into production. The development cycle has been rather painful
thus far - we started with the DP...