Re: UART, SPI and SSP max speed ???
2006-04-06 by lpc2100_fan
... I can ... baudrates ... restrictions, be ... chew a ... Hi Robert, you are right, CAN could be used there is nothing the would stop it from working. It
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2006-04-06 by lpc2100_fan
... I can ... baudrates ... restrictions, be ... chew a ... Hi Robert, you are right, CAN could be used there is nothing the would stop it from working. It
2006-04-06 by sifiland
Hi, If I let Timer0 with FIQ run, then the program jumps either in Default_handler or makes RESETS. Timer0 with IRQ runs completely normally. What can the
2006-04-06 by Leon Heller
... From: To: Sent: Thursday, April 06, 2006 5:06 AM Subject: [lpc2000] - soft serial port ??? Hello
2006-04-06 by croquettegnu
Hi guys, It seems that SSP max speed in master is 30Mbit/s (PCLK/2) But what about SSP in slave mode ? I have seen in a previous post that this speed would be
2006-04-06 by Joel Winarske
Hi Radim, ... The KS8993 might meet your needs: http://www.micrel.com/page.do?page=product-info/fastether_sw_unman.jsp# One port allows direct connection to
2006-04-06 by Tom Walsh
... BTDT. No, it is an extern reference from newlib, but it needs to be stubbed out: ============ begin isatty.c ============== #include int isatty
2006-04-06 by malhotra_umang@yahoo.com
Hello Friends ... I am working in embedded. I m just new to this field. So, plz help me know the following....... 1. what s the difference between a normal
2006-04-06 by Stanley Frederickson
I suspect that if you add a NOP after the LDMIA instruction so that the LDMIA is in the decode stage before you kick off the restart then you will get the
2006-04-06 by Eric Engler
I see that Rowley is offering a Dev board for the new Luminay Micro device that uses the Cortex M3 core. This is much more affordable than the official kit.
2006-04-06 by Robert Adsett
... We ll try :) ... ... Apparently ld can t find isatty. I suspect either a link order problem or possibly a lack of room. Take a look at the map file
2006-04-06 by volunteer_sysu
Sorry, there are some simple mistakes. The reason why all these errors occurred is an = missing in the instructions. ldr sp, _svc_stack it should be: ldr sp,
2006-04-06 by volunteer_sysu
I am quite new to LPC2000. When I was trying to building up a program, I encountered some problems. Would you please do me a favour, thank you very much! The
2006-04-06 by jayasooriah
... Correction: I AM able to get 912600 baud with PLL disabled. (Auto-baud sampling resolution was the limiting factor in earlier experiment.) However with
2006-04-06 by pitstock_kiwi
... this. ... by ... Before we even worry about CRP, have you tested the pull-up resistors on Port 1. The data sheet says they are there but my 2148 doesnt
2006-04-05 by jayasooriah
... I agree. Also, they dropped 2292 in the prototype that someone else had lying around and meets requirements of this board. ... On my board max is 230400
2006-04-05 by ocnek1
Hello all!! Let me first say I m pretty new at GNUARM so please be somewhat kind... Now to my problem. I was tring to use Robert Adsett s ibutton test port
2006-04-05 by gussabina
Hi: I have an application with a timer0 and uart0 working fine with Keil. Now, I m trying to port this app to IAR. But in order to have the same timing and
2006-04-05 by Robert Adsett
... OK, I ll bite. Why would using CAN preclude the use of 14.7456 MHz. I can understand that it might make it difficult to meet the standard baudrates some
2006-04-05 by radim100
I have question, regarding ETHERNET splitter, passive hub. I am designing hardware with LPC213X and ENC28J60 Ethernet chip . PC is going to talk from NIC to
2006-04-05 by Steve Franks
Hi all, I m beginning to get curious about power-consumption on 2103 and 2148 series. It s unclear to me from the UM if the watchdog runs in both idle and
2006-04-05 by lpc2100_fan
... Hi, If you use a 2292 @ 14.7456 MHz you should buy the LPC2214 instead. It is cheaper but does not have CAN. If you use CAN, you can not use 14.7456 MHz.
2006-04-05 by croquettegnu
... Thanks all !
2006-04-05 by theothervmax
... and ... From the UM: The UART0 Divisor Latch is part of the UART0 Baud Rate Generator and holds the value used to divide the VPB clock (pclk) in order to
2006-04-05 by jayasooriah
... On LPC2292, with 14.7456 MHz xtal, PLL disabled, VPBDIV set to 1 and UART0 baud rate divisor set to 4, it runs okay at 230400 baud. Jaya
2006-04-05 by krisgorn
Thanks!! I have another problem with debugging. My code works fine with ARM7TDMI (AT91SAM7, OKI ML67) except reading RAM memory of LPC2000. Writing of RAM
2006-04-05 by jayasooriah
Dear John, you cannot take a second bite at the same cherry... ... This is old information, and predates the conclusion of the debate on this forum. ... And
2006-04-05 by theothervmax
... different ... I ... AFAIK: Max UART speed is PCLK/16 Max SPI speed is PCLK/8 Max SSP speed is PCLK/2 Max PCLK frequency is 60 MHz Regards, Max
2006-04-05 by croquettegnu
Hello all ! I m working on the LPC214x family MCU and I need to know the different max speed, throughput for their embedded UART, SPI and SSP because I was not
2006-04-05 by croquettegnu
Hi all, Are all the LPC2xxx chips affected bu these CAN issues ? Thanks ... nothing in
2006-04-05 by brendanmurphy37
John, Thanks for your long and detailed contribution. Unfortunately, I think you have to accept that consensus will not be achieved in this case. If people
2006-04-05 by Sten
No problem. This is the intension of this group. To make sure that gcc is producing correct entry/exit code you should have look into your object files.
2006-04-05 by John Heenan
I have new information that may help tip the balance in forming a consensus. Really I don t want to spend an extra millisecond on this. The new information I
2006-04-05 by ah_sandiego
I can t contribute much, but if youdo figure this out, please comment your code really good. The rest of us could benefit from this. Good Luck, AH ... program
2006-04-05 by Manisha Kalita
Hi all, I am designing an USB driver in lpc2148 board. i have a sample program for HID driver. they are sending reports to the host. however, in the code, the
2006-04-05 by gtechnzltd
Try these guys.. http://www.adilam.com.au/ Regards Grant NZ
2006-04-05 by volunteer_sysu
Hi, I wonder whether U-boot support the LPC2000 or not? If it does, which config file should I use when building the Makefile? And I did not find the board
2006-04-05 by gtechnzltd
Sten, Thanks for the link to the #14601 discussion. So it looks like my functions... //exception handling functions void IRQ_Routine (void) {while (1) ;} void
2006-04-05 by Joel Winarske
... Yes I m familiar with the errata sheet. My point being there is nothing in particular about extended frames. Joel
2006-04-05 by Gus
Have you looked at the errata sheet for CAN? You can only use one transmit buffer. The big one is the loosing arbitration when sending a message will corrupt
2006-04-04 by Dominic Rath
That s a bug in the LPC2000s. I asked Philips support, but they didn t know (or didn t care) about it. Anyway, it s not a real problem, you just can t rely on
2006-04-04 by leon_heller
... only ... on ... but ... won t ... Another option would be to get a couple of samples from Philips. Leon
2006-04-04 by krisgorn
In datasheet of ARM7TDMI-S is writing that instruction SCAN_N load 0x8 value into register but I always get 0x0 value on LPC2138 (and another LPC2000 family
2006-04-04 by dave_baker_100
Joerg Thanks for info - I ll let you know how I get on Regards Dave ... I ve ... try ... clear ... be ... are ... of ... properly ... to ... practical. ...
2006-04-04 by Joerg Schulze-Clewing
Hello Dave, ... There are several nice instruction sets on the web, like this more elaborate probe: http://www.emcesd.com/1ghzprob.htm I usually forego the
2006-04-04 by dave_baker_100
Joerg Again, thanks for your advice. I too am a bit surprised about the 8ns rise time. The XCLK signal is driving a FPGA global clock which has configurable
2006-04-04 by Bertrik Sikken
The path to the sources is http://www.menie.org/georges/embedded/ I use this printf implementation too. Has anybody compared this (s)printf version with the
2006-04-04 by Joel Winarske
... Refresh my memory, what major issue? Joel
2006-04-04 by Gus
Hello, Lat time I tried to use LPC with CAN. I found out a major issue with extended frames. Is this going to be fixed anytime soon? I tried to do what the
2006-04-04 by sam_pr
Thank you, Finally found the mystery, I got a reply from PHILIPS support. The pin description in the user manual and in the data sheet are different... and I,
2006-04-04 by Saravanakumar S
Hi Robert, Thank you for your information.I will do that. Robert Adsett Sent by: lpc2000@yahoogroups.com 04/04/2006 06:48