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Discussion Groups | 68HC12 | I2C problems
Join our technical discussions about Freescale Microcontrollers: M68HC12. (Freescale Semiconductor is a Subsidiary of Motorola).
I2C problems - iamthewilldinkel - May 8 17:09:55 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 please point me in the direction of some resources which
may help me crack this nut?
PS: I looked in the forum for support; the only I2C code -- which was
commented in French -- I could find was for the GPIO pins. This chip
has an I2C controller built in.
(You need to be a member of 68hc12 -- send a blank email to 68hc12-subscribe@yahoogroups.com )
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 please point me in the direction of some resources which
may help me crack this nut?
PS: I looked in the forum for support; the only I2C code -- which was
commented in French -- I could find was for the GPIO pins. This chip
has an I2C controller built in.
(You need to be a member of 68hc12 -- send a blank email to 68hc12-subscribe@yahoogroups.com )
Re: I2C problems - JCL - May 9 1:43:20 2006
--- In 6...@yahoogroups.com, "iamthewilldinkel" wrote:
>
> Hi all,
>=20
> 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.=20
>=20
> Can anyone please point me in the direction of some resources which
> may help me crack this nut?
>
You can try this link : http://www.almy.us/index.html and read the=20
text book. All is here.
Hope this helps
JCL
=20
> PS: I looked in the forum for support; the only I2C code -- which=20
was
> commented in French -- I could find was for the GPIO pins. This chip
> has an I2C controller built in.
>
=20
=20
=20
(You need to be a member of 68hc12 -- send a blank email to 68hc12-subscribe@yahoogroups.com )
>
> Hi all,
>=20
> 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.=20
>=20
> Can anyone please point me in the direction of some resources which
> may help me crack this nut?
>
You can try this link : http://www.almy.us/index.html and read the=20
text book. All is here.
Hope this helps
JCL
=20
> PS: I looked in the forum for support; the only I2C code -- which=20
was
> commented in French -- I could find was for the GPIO pins. This chip
> has an I2C controller built in.
>
=20
=20
=20
(You need to be a member of 68hc12 -- send a blank email to 68hc12-subscribe@yahoogroups.com )
Re: I2C problems - Michael Elphick - May 9 1:56:55 2006
On May 08, 2006 10:09 PM,
iamthewilldinkel wrote: -
> 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 please point me in the direction of some resources which
> may help me crack this nut?
I've got some code for the 9S12DP256 and DS1307. The code is in=20
assembler not C, so it may not be suitable for your purposes, but if
you contact me off list I shall be happy to send it to you.=20
Mike Elphick=20
=20
=20
=20
______________________________
Stellaris® MCU Family: New Parts, New Package, New Price.
(You need to be a member of 68hc12 -- send a blank email to 68hc12-subscribe@yahoogroups.com )
iamthewilldinkel wrote: -
> 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 please point me in the direction of some resources which
> may help me crack this nut?
I've got some code for the 9S12DP256 and DS1307. The code is in=20
assembler not C, so it may not be suitable for your purposes, but if
you contact me off list I shall be happy to send it to you.=20
Mike Elphick=20
=20
=20
=20
______________________________
Stellaris® MCU Family: New Parts, New Package, New Price.
(You need to be a member of 68hc12 -- send a blank email to 68hc12-subscribe@yahoogroups.com )