standardization body. Please contact them, if you are unable to buy
> I need to get the ISO11898 specification documents
> and i have a problem with the payment as here in my country there is
> not a VISA card
> do please help
>
> ------------------------------------------------------------------------
> Date: Fri, 23 May 2008 00:10:25 -0700
> From:
johnd@...
> Subject: RE: [CANLIST] CAN bit synchronizer
> To:
canlist@...
>
> Your question shows you really need to study how CAN works in
> much more detail before you try and implement it in VLSI. I'd
> suggest you take a close look at the data sheet for the SJA1000
> specifically at their TX and RX lines and how they might drive the
> bus directly. Then look at a different device like the MCP2515
> from Microchip which requires an external driver. Finally read up
> on CAN bus drivers like the 82C250 and the various flavours from
> Microchip and TI.
>
> And of course this is all explained in the ISO11898 specification
> documents.
>
> The information is there in the data sheets.
>
> John
>
>
> Hi,
> one more doubt in CAN TX line and RX lines are bidirectional
> or unidirectional. when the receiver is giving ack it has to
> pull down the ack from one to zero which is in ack slot.
>
> John Dammeyer wrote:
>
> Hi,
>
> The Bosch Spec is out of date although more than accurate
> enough for someone to understand how CAN works when using
> it to write a protocol for CAN. The ISO 11898-1 defines
> the CAN specification and to get access you need to
> purchase it from www.iso.org <
http://www.iso.org/>. As I
> recall the development package from Bosch is not
> inexpensive but does provide the basic VLSI template along
> with standards that you must meet in order to qualify your
> product as a CAN device.
>
> Contact the people at www.canopen.org
> <
http://www.canopen.org/> for more information. They are
> very helpful.
>
> John
>
> Automation Artisans Inc.
>
http://www.autoartisans.com <
http://www.autoartisans.com/>
> Ph. 1 250 544 4950
>
> -----Original Message-----
> *From:*
canlist-owner@...
> <mailto:
canlist-owner@...>
> [mailto:
canlist-owner@...]
> *On Behalf Of *N.Swathi
> *Sent:* Thursday, May 22, 2008 10:21 PM
> *Cc:*
canlist@...
> <mailto:
canlist@...>
> *Subject:* Re: [CANLIST] CAN bit synchronizer
>
> Hi John,
> we have got the Bosch spec from internet. and we have
> not bought it.
> Designing it in Digital and coding it in verilog.
>
> John Dammeyer wrote:
>
> As I understand it, everything you need is
> contained in the package you get from Bosch when
> you license the specification which you need to do
> if you are creating a VLSI version of a CAN
> device. I believe they even provide Verilog code
> for it.
>
> John Dammeyer
>
>
> Automation Artisans Inc.
>
http://www.autoartisans.com> <
http://www.autoartisans.com/>
> Ph. 1 250 544 4950
>
> -----Original Message-----
> *From:*
>
canlist-owner@...
> <mailto:
canlist-owner@...>
> [mailto:
canlist-owner@...]
> *On Behalf Of *N.Swathi
> *Sent:* Thursday, May 22, 2008 2:47 AM
> *To:*
canlist@...
> <mailto:
canlist@...>
> *Subject:* [CANLIST] CAN bit synchronizer
>
> Hi
> I didn't understand properly the concept of
> sample point and bit timing. phase segment
> addition and subtraction in CAN
> I'm designing CAN in VLSI platform . I am
> writing code in verilog. I am using CAN 2.0 B
> spec.
>
> In receiver I am having problems with sampling
> po! int thats synchronization
> Anyone please help me out
>
> /Swathi .N/
>
>
>
>
> ------------------------------------------------------------------------
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