Re: [lpc2000] power-on supply sequencing on LPC2210
2006-01-07 by Robert Adsett
... Oops that s wouldn t spend effort sequencing them ... Freedom has no meaning of itself. There are always restrictions, be they legal, genetic, or
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Re: [lpc2000] power-on supply sequencing on LPC2210
2006-01-07 by Robert Adsett
... ... Experimentally I ve powered the 2106 with large delays (on the order of a second or so)in both directions w/o any observable effect. Both bring
Arm7 Instruction set
2006-01-07 by Mauricio Scaff
What happens if an LPC find an coprocessor instruction ? It raises an undefined trap ? Mauricio
LPC2214 to PIC18F252 via I2c
2006-01-07 by George M. Gallant, Jr.
I want to add a lpc2214 to an existing robot that currently has 3 18f252 s connected via I2C. The LPC would become that MASTER and the PIC s become
Re: LPC's w/ ENC28J60 for ethernet via SPI
2006-01-07 by Mark Butcher
Hi Joel I haven´t experienced this problem but if a powerful Coldfire gets overloaded then the NE64 will certainly also have problems. It is possible to
Re: SPI Input port
2006-01-07 by charlesgrenz
Hi Robert, I agree since this is a tight time frame project. I am winding up using the 16 bit version of the parts which will give me 32 bits of I/O and I can
Re: [lpc2000] power-on supply sequencing on LPC2210
2006-01-07 by Tom Walsh
... From what I d read from the LPC2106 datasheet, there is no spec for cycling those two voltages. However, if you read the Notes (note 3) under the Static
IAP example and usage on lpc2138
2006-01-07 by mucko
Hi, I want to store some data to the on chip flash of lpc2138, so, is there an example how this is done? thanks... __________________________________________
Re: SPI Input port
2006-01-07 by rtstofer
... Plus, you can configure the MCP23S08 pins as either input or output, get interrupt-on-change, set the polarity of the normal state and a bunch of other
Re: SPI Input port
2006-01-07 by charlesgrenz
Hi Rob, thanks for the seuggestion and link. I looked at that at one time as a cheap expansion for the 2106 and even ordered some parts to play with but
Re: [lpc2000] Power supply DC/DC converter for LPC2294
2006-01-07 by Marko Pavlin (home)
If your budget sustains, try some of Linear Techology chips. They have some nice parts for higher input voltages and very simple design.
Re: [lpc2000] Power supply DC/DC converter for LPC2294
2006-01-07 by Leon Heller
... From: thomas_ploeger To: Sent: Saturday, January 07, 2006 3:09 PM Subject: [lpc2000] Power supply DC/DC
Re: [lpc2000] SPI Input port
2006-01-07 by Rob Jansen
Charles, ... yes, a 74HC595 (serial in, parallel/serial out shift register) as an 8 bit output expander is used to control a 7-segment LED at the Embedded
Power supply DC/DC converter for LPC2294
2006-01-07 by thomas_ploeger
Hello, I m locking for an DC/DC converter to supply the µC. I want to use the µC in a vehicle and the given voltage is in range from 10 to 30V. These voltage
Re: [lpc2000] Re: LPC2148 identifyed as a LPC2138?
2006-01-07 by Peter Jakacki
You will find that the 2148 manual is incorrect and has not been updated in this respect. Read the 2138 manual and you will find that the part id for the 2138
power-on supply sequencing on LPC2210
2006-01-07 by Pieter Verstraelen
Hello all, a hardware related question: the LPC2210 has a dual power supply: 1.8V core voltage and 3.3V for the I/O. Is the power-on (and power-off) sequence
Re: LPC2148 identifyed as a LPC2138?
2006-01-07 by tiltedkeyboard
... No, the part is correctly identifyed as a 196389 . According to the User Guide that is a LPC-2148. It seems that it is the Philips Flash Util that don t
Re: LPC2148 identifyed as a LPC2138?
2006-01-07 by jayasooriah
On LPCs the part ID is stored as a parameter in the boot sector. It is quite possible the boot sector was loaded or updated incorrectly.
LPC2148 identifyed as a LPC2138?
2006-01-07 by tiltedkeyboard
Is it normal for the Philips Flash Utility (2.2.3) to ID a LPC2148 as a LPC2138? I m using a Olimex LPC-P2148 with a clearly marked and correcly identifyed
RE: [lpc2000] simple xtea source
2006-01-07 by Joel Winarske
... Also: http://www-users.cs.york.ac.uk/~matthew/TEA/
RE: [lpc2000] simple xtea source
2006-01-07 by Joel Winarske
... This has it listed with a flow chart: http://www.eetasia.com/ARTICLES/2005JUN/A/2005JUN16_SECD_AN.PDF Paper from the authors has it:
LPC to MSC SPI interface
2006-01-07 by jk jlkj
Hi friends, Thanks for the suggestions. I have finally been able to interface MSC with LPC using SPI. I think that i should make it a point to give to the
RE: [lpc2000] Re: J1939 stacks for the LPC2xxx's?
2006-01-07 by Joel Winarske
... Not odd at all. It s a hack in light of requiring a J1939 compliant device. Perhaps more a marketing push to show they have something for the Automotive
Re: [lpc2000] Re: J1939 stacks for the LPC2xxx's?
2006-01-07 by Onestone
Odd comment. I doubt that they consider their code to be Random. Other Microchip implementations have been reliably functional, if not always awe inspiring.
Re: [lpc2000] Re: J1939 stacks for the LPC2xxx's?
2006-01-07 by Onestone
Or This:- http://vehicleinterface.com/assets/files/m1939stb.pdf or www.mywiseowl.com which advertises free information about J1939, J1850 etc. Al
Re: [lpc2000] [OT] J1939 stacks for the LPC2xxx's?
2006-01-07 by Onestone
http://www.okisemi.com/datadocs/doc-eng/msm6636_ug.pdf This describes a part that is used to implement the protocol, I haven t looked at it in any depth, but
Are the JTAG pins on the LPC2138 5v tolerant?
2006-01-07 by robostanley
In the 2131/2132/2134/2136/2138 datasheet it indicates that the JTAG related pins are 5v tolerant. Is this true when the pins are being used for the JTAG
Re: [lpc2000] Bit set/clear w/ gcc
2006-01-07 by Tom Walsh
... As per ANSI C, define a MACRO, For example: ============= begin =============== typedef struct { REG32 in0; // P0 Pin Value
Re: Bootloader / CRP summary update
2006-01-07 by unity0724
... Umm... sorry... Don t know much of AT91... - Do not know if AT91 will be immune to hacking - Do not know much about Atmel, ST chips. Have not study their
RE: [lpc2000] [OT] J1939 stacks for the LPC2xxx's?
2006-01-06 by Joel Winarske
J1850 and J1939 are not related in any way. Please rename thread. Joel
RE: [lpc2000] Re: LPC's w/ ENC28J60 for ethernet via SPI
2006-01-06 by Joel Winarske
Hello Mark, ... I ve experienced networks that brought high powered Coldfire based solutions to their knees due to level of ARP traffic. How does the
Re: [lpc2000] [OT] J1939 stacks for the LPC2xxx's?
2006-01-06 by Sean
Hmm, is this it: http://www.sae.org/servlets/productDetail?PROD_TYP=STD&PROD_CD=J1850_200105 I m not 100% sure, but I remember looking at this a year or so ago
RE: [lpc2000] Re: J1939 stacks for the LPC2xxx's?
2006-01-06 by Joel Winarske
Hi André, ... I designed a suite of RV-C based products. RV-C is a thin layer on top of J1939. I evaluated the LPC2129 but required J1939 support would not
RE: [lpc2000] Re: J1939 stacks for the LPC2xxx's?
2006-01-06 by Randy M. Dumse
... Start with SAE http://www.sae.org/servlets/index We had a large standards book from them (iirc) that described all the protocols, the key codes, and what
RE: [lpc2000] [OT] J1939 stacks for the LPC2xxx's?
2006-01-06 by Randy M. Dumse
... I would have said the same thing. But wouldn t you know it, Wikipedia to the rescue. A good start anyway. Think the book I had was SAE 2012.
Re: [lpc2000] [OT] J1939 stacks for the LPC2xxx's?
2006-01-06 by Sean
It s not the scancodes themselves we re looking for, but the command interface to the car computer. Thanks though. -- Sean
RE: [lpc2000] Re: J1939 stacks for the LPC2xxx's?
2006-01-06 by Greg Deuerling
... Do you know where to purchase the documentation? I ve not even figured that out yet... Greg Deuerling
RE: [lpc2000] [OT] J1939 stacks for the LPC2xxx's?
2006-01-06 by Sean
That s the thing, I don t think there is any free information out there. You have to pay $$$ to get the docs. What did you manage to find out? Raw commands?
RE: [lpc2000] Re: J1939 stacks for the LPC2xxx's?
2006-01-06 by Sean
Basically one of the main purposes of my project is to interface with the OBDII port on you car to do various things. Right now I m stuck using a chip from
RE: [lpc2000] Re: J1939 stacks for the LPC2xxx's?
2006-01-06 by Greg Deuerling
... Thanks for the reply, I ve found tons of OBDII diagnostic code info but nothing on how to get the code. From my fiddling around with an OBDII scanner and a
Re: [lpc2000] Re: J1939 stacks for the LPC2xxx's?
2006-01-06 by Onestone
For a more complete listing I came across this for Jeep using search string J1850 MESSAGES . This got loads more hits than other efforts.
Re: [lpc2000] Re: J1939 stacks for the LPC2xxx's?
2006-01-06 by Onestone
This gleaned from agoogle for J1850 COMMANDS. tHE 808 MENTIONED IS A gENERAL mOTORS hOLDEN (aUSTRALIAN) vehicle. maybe this will be of some help. Cheers Al
Bit set/clear w/ gcc
2006-01-06 by ee_gary
Hi everybody, I m wondering what is the best way to set and clear I/O bits without keeping track of what port they are on. For example, something like:
Re: SPI Input port
2006-01-06 by charlesgrenz
Thanks Tom. I was just hoping.... regards, Charles ... inputs.
RE: [lpc2000] Re: J1939 stacks for the LPC2xxx's?
2006-01-06 by Greg Deuerling
... I m a me too on this topic :) Is there any documentation out there on how to get info from an OBDII port? I had a OBDII scanner hooked up to a Ford truck
Re: [lpc2000] Re: SPI Input port
2006-01-06 by Tom Walsh
... Sadly, yes, even though some Philips examples suggest this is not so. The only way I got Master mode working properly was to pullup SSEL1. TomW ... -- Tom
Re: SPI Input port
2006-01-06 by charlesgrenz
Thanks Richard. I had forgotten I looked those over at one time. Have you worked with the 2138 spi? Do you still need to pull the SPI slave input high to
RE: [lpc2000] Re: J1939 stacks for the LPC2xxx's?
2006-01-06 by Randy M. Dumse
... What do you need to know? I ve done keyword protocol. Randy www.newmicros.com
Re: [lpc2000] Re: Bootloader / CRP summary update
2006-01-06 by Sean
What basis do you have to think that Atmel chips would be immune to the hacking process as you describe?
Re: [lpc2000] Re: J1939 stacks for the LPC2xxx's?
2006-01-06 by Sean
Do you know anything about J1850 (OBDII)? -- Sean