Re: Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-14 by lp2000c
Yes, you are missing something. THRE indicates when FIFO is empty - not when it is full. Furthermore, the exact time when this occurs, depends on
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USB for LPC2xxx
2005-04-14 by Ken Wada
Hello; I am seeing some rumors(?) that there may be an LPC2xxx variant that supports USB. Is this real? or vapour-ware? If real? when will this variant be
Re: [lpc2000] Re: Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-14 by Robert Adsett
... Have you actually checked how may bytes you get into the FIFO in that fashion ? Robert Freedom has no meaning of itself. There are always
Re: LP2000
2005-04-14 by Ken Wada
If you have Keil...there is no real need to write assembly language code. However, if you want to write assembly language code: You can use the following
Re: [lpc2000] Re: Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-14 by Robert Adsett
... No, the THRE bit is cleared when something is ready to transmit, it is only set when the FIFO is empty. The only way to fill the FIFO is to count how many
Re: SSP: How to clear transmit FIFO
2005-04-14 by Ken Wada
There are two ways to do this: 1. Disable the FIFO enable bit on the FIFO control register 2. Set the Tx FIFO reset bit ont the FIFO control register Ken Wada
Re: Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-14 by Ken Wada
... Heh... you need to ASSUME, that when THRE gets generated, that you can stuff up to 16-bytes into that FIFO. Actually, my experience has shown that this is
Re: Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-14 by Ken Wada
Indeed! You need...actually it is a very good idea to use the TEMT bit to toggle the transmit enable bit on your RS-485 interface. For me, it would have been
Re: [lpc2000] Re: Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-14 by Richard Duits
The THRE is set when the FIFO is empty. There may still be a BYTE in the transmit shift register, but to keep the flow going you have to respond in less than 1
Re: Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-14 by johnthomasedwardtimm
... I second that motion. I am using the THRE bit in the LSR to determine whether the transmit FIFO is full and it works fine. JT
[lpc2000] Re: Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-14 by Bill Knight
Am I missing something here guys (and gals)? When the FIFO is enabled the THRE bit in the Line Status Register is set whenever the FIFO can accept additional
Re: Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-14 by lp2000c
... many people ... something else ? ... transmitted to ... bit mode. ... FIFO ? etc. ... YES! YES! YES! The most annoying thing is that the time when THRE
Re: Philips-Apps LPC214x
2005-04-14 by charlesgrenz
Hi Joe, No problem. We get all our parts through Arrow, but we are part of the Advantage program. What that means is our distributor is in Canada (Halifax) but
LPC2294 and ISP1181B
2005-04-14 by k b shah (lascaux)
Hello, I am developing USB interface for LPC2294 to ISP1181B for my device inn slave mode. any body can suggest any sample code for device enumeration and
Re: Philips-Apps LPC214x
2005-04-14 by Joe
Charles Thank you for your kind offer, I will wait and see what Arrow finds out. Are you with a distributor, and if so which one? Would I be able to order some
Re: initializing I2C problem
2005-04-14 by neptunus1000
Hello, Was there indeed a pull-up resistor missing on the Olimex board? YES there was one missing. I put for the testing two pull-up on the bus of 4,7K and
Debuging lpc2138 with GNU-arm-gdb
2005-04-14 by soren_t_hansen
I m trying to establish a development enviroment to a lpc2138 on the Keil MCB2130 evaluation board. I m using Eclipse and would like to debug my program using
SSP: How to clear transmit FIFO
2005-04-14 by Gerhard Unrecht
Hey, I want to clear the transmit-Fifo, to have a defined state. Knows anybody how to do do this? Regards Gerhard Unrecht [Non-text portions of this message
LP2000
2005-04-14 by SANDEEP BAKSHI
Hi All, Where can I get information about how write code for LPC2XXX family. I am new in this field and I am have Keil software. Regards, Sandeep The
Re: [lpc2000] Re: initializing I2C problem
2005-04-14 by Aalt Lokhorst
Hello Roy, Was there indeed a pull-up resistor missing on the Olimex board? If you can measure low and high levels on both I2C lines now then I expect that the
Re: [lpc2000] Data abort
2005-04-14 by Michael Anburaj
Hi, Do you have a proper initialization assembly code to initialize the stack pointers in different processor modes to valid RAM addresses?? If not check the
Re: [lpc2000] I O Port driving capacity
2005-04-14 by Peter Jakacki
Oh, on a final note, note the subject of your query. You assume it is a port drive problem rather than what you should be stating; that you are having a
Re: [lpc2000] I O Port driving capacity
2005-04-14 by Peter Jakacki
A logical (EE s need this quality) analysis of your problem arrives at these facts: 1) D0-D7 are working (enough) as an instruction has been processed 2) lcd
I O Port driving capacity
2005-04-13 by Owen Mooney
I have driven a 4x20 display off an lpc2106 without any problem. You only need 7 GPIO lines for these: DB4-DB7, E, data/cmd, and r/w. Because you can drive
Re: Philips-Apps LPC214x
2005-04-13 by Joe
Thank you very much!!!!!! This will allow at least a chance optimizing the layout now. Thanks again Joe
Re: Philips-Apps LPC214x
2005-04-13 by wittrockjeff
Hello Joe, I created a folder in the files section LPC2148 . In here is a pdf file showing a preliminary pinout for the LPC2148. This was given to me by a
Re: [lpc2000] ARM7+4UART+FLAHS?
2005-04-13 by Robert Wood
... eSCI (i.e. enhanced Serial Communication Interface), 4x CAN, 1x I2C...
RE: [lpc2000] ARM7+4UART+FLAHS?
2005-04-13 by Anton Erasmus
... Anyone can buy the MAC7111MPV40 now. I ordered two some weeks ago, and they arrived this week. The others in the family are still only available to large
RE: [lpc2000] ARM7+4UART+FLAHS?
2005-04-13 by Greg Deuerling
... Unless you’re an automotive manufacturer and can buy 1000 s of these you ll NEVER get your hands on any of these... Greg Deuerling Fermi National
Re: [lpc2000] ARM7+4UART+FLAHS?
2005-04-13 by Jens Hildebrandt
Freescale MAC7111/MAC7121, for instance. 512k+32k Flash, 32k RAM, 4x eSCI (i.e. enhanced Serial Communication Interface), 4x CAN, 1x I2C...
Re: Philips-Apps LPC214x
2005-04-13 by charlesgrenz
Hi Joe, Let me know if you need anymore. I just checked our stock for 2138 and we have 400 in stock with 400 more coming. I can also send you two samples if
Re: Philips-Apps LPC214x
2005-04-13 by Joe
The 2129 requires 1.8V, and is in production. I have received 2 samples of the 2138 from Arrow and they are trying to get me 2 more. and my stock check at
Re: initializing I2C problem
2005-04-13 by neptunus1000
Hello Aalt, with on both lines a pull-up the code is still not working oke. Please help my. ... schematic ... lines are ... the ... At while ... don t ...
Re: Philips-Apps LPC214x
2005-04-13 by charlesgrenz
Hi Joe, The 2138 does not have a 1.8V input. Only 3.3V is needed to run the 2138. You can get samples and buy units from Arrow Electronics. They have around 2K
Re: [lpc2000] port timing
2005-04-13 by Gennady Palitsky
... From: 42Bastian Schick To: Sent: Wednesday, April 13, 2005 7:59 AM Subject: Re: [lpc2000] port timing
Re: Philips-Apps LPC214x
2005-04-13 by Joe
Bump My timing was a little off before ;-) I now have over half the layout done, and have jumper options for the 2129/2138. I repeat my plea IS THERE ANY
Re: [lpc2000] port timing
2005-04-13 by 42Bastian Schick
Gennady ... It does (according to the docs). Direct write to IOPIN is the fastest. -- 42Bastian Schick
Re: [lpc2000] port timing
2005-04-13 by Gennady Palitsky
... From: 42Bastian Schick To: Sent: Wednesday, April 13, 2005 2:45 AM Subject: Re: [lpc2000] Re: port
LPC2K consultant wanted
2005-04-13 by Richard
I need someone who knows the LPC2K hardware very well to validate our Application Builder output, particularly in the area of the PLL and interrupt vectors set
I O Port driving capacity
2005-04-13 by rohan patil
i m final year student of electronics engg i m trying to interface 16x2 lcd display with lpc 2106 io ports are connected as follows D0-P0.21.........D7-P0.28
Re: [lpc2000] initializing I2C problem
2005-04-13 by Aalt Lokhorst
Hello Roy, Is there a pull-up on the SCL line? I can t find it in the schematic drawing but probably I missed it. As far as I know both lines need a pull-up
Re: [lpc2000] Re: port timing
2005-04-13 by 42Bastian Schick
Gennady Palitsky ... I doubt this, since it uses the same paths on the chip. But, do you write to IOPIN or do it by way of IOSET/IOCLR ? -- 42Bastian Schick
Re: Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-13 by tonalbuilder2002
... after last ... Some of Exar s latest UART s are quite nice and feature options such as 9 bit protocol, automatic RS485 direction switching, etc. Face it,
Re: [lpc2000] Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-13 by Robert Adsett
... I can see the utility of a proper 9 bit mode with an interrupt after last transmitted bit available. On the FIFO side though the addition of a flag to
Re: [lpc2000] Questions on LPC Flash Programming Routines
2005-04-13 by Bruce Paterson
... Robert ? -- Cheers, Bruce ... This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to
Re: Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-12 by Ken Wada
I would ve preferred the 28LC92 UART instead. In fact, this part is an original Philips architecture, based on the very fine SCC2692 I believe! Ken Wada ...
RE: [lpc2000] ARM7+4UART+FLAHS?
2005-04-12 by Curt Powell
Jeff, I searched the philips website but didn t get any hits on that part #. I did find the SC28C94. Is that the one you re using? Curt ... From: Lowry, Jeff
initializing I2C problem
2005-04-12 by neptunus1000
Hello, I use an olimex evaboard (LPC2129) and crossStudio. I would like to use the I2C interface but it won t work. ARM should be the master. First I tried to
RE: [lpc2000] ARM7+4UART+FLAHS? (THANKS!)
2005-04-12 by James Dabbs
WOW.. Thanks for the feedback. This has been extremely helpful! James Dabbs, TGA
Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-12 by Anton Erasmus
Hi, Since some of Philips s people seem to be reading this group. How many people think they should change the crappy PC compatible UARTs to something else ?