Re: LPC23xx ethernet
2005-03-17 by Mark Butcher
... Hi James Sorry for the delay - but for completeness a short(ish) answer: My product is board level and is a typical embedded internet application. I have
Messages
Browse messages
Page 205 of 329 · 16407 messages matched
Re: LPC2106 external interrupts
2005-03-17 by johnnorgaard2003
Hi You can not read the port via GPIO when the port is defined as External Int. You hav to try clearing the bit until it is accepted. I do this while(
Re: LPC23xx ethernet
2005-03-17 by balazs_scherer
... specified ... pins, as ... register it will ... Thanks for the informations, I have read this functions but the data sheet said is not a legal way of
external memory interface
2005-03-17 by rohan patil
i m currently using lpc 2106 for my project is it possible to access external memory using same chip or is there any other microcontroller(arm or 8051
[lpc2000] 3 phase PWM
2005-03-17 by Marko Pavlin
Hello, are there any code samples for generating 3 phase PWM? It will be used for sensorless DC brushless motor with permanent magnets. I will use LPC213x.
Re: Interfacing audio DAC to LPC2106?
2005-03-17 by tkreyche
... impossible ... I ... be ... Maybe not the answer you were looking for, but the 10 bit DAC on the 2138 does this reasonably well. The Keil development board
lpc2132 a/d converter
2005-03-16 by shaneprobinson2000
I am currently trying to use the 10 bit a/d converter available on the lpc21xx devices. I have not been able to get a full 10-bit resolution out of the device
AES or other encryption speed on LPC?
2005-03-16 by Brett Delmage
Sorry, this is not an LPC-specific question, but Does anyone have any experience with AES encryption on LPC and order of magnitude speed? I have been looking
Re: [lpc2000] Re: Does IDLE mode cause JTAG debugger to hang?
2005-03-16 by Brett Delmage
... Good points! Thanks for everyone s useful information on this, as always. You make this a wonderful resource. In part because of the existence of your
Re: GPIO current?
2005-03-16 by charlesgrenz
Hi, I asked the same question about 2 months ago. Just checked the response and what they said was it can sink and source up to 4ma per pin. regards, Charles
Re: [lpc2000] Re: GPIO current?
2005-03-16 by Bill Knight
... any ... I emailed Philips with this question some time ago and they sent me a document - unfortunately I cannot find it now :-( but I think it was either
Re: LPC23xx ethernet
2005-03-16 by Richard
... There was a very long but also interesting thread on comp.arch.embedded on this very subject (RAM more than ROM). Search for the thread How much RAM
Re: GPIO current?
2005-03-16 by Richard
... any ... I emailed Philips with this question some time ago and they sent me a document - unfortunately I cannot find it now :-( but I think it was either
Re: [lpc2000] Re: LPC23xx ethernet
2005-03-16 by Anton Erasmus
... The PIN registers are actually RD/WR registers, and not RD only as specified in the documentation. If you write to the PIN register, it sets the pins, as
Re: Watchdog and external Interrupt problem
2005-03-16 by itsjustimpossible
Thanks, I will keep to system mode from now on. A bit embaressing, but I seem to be having all kinds of trouble getting the watchdog to do anything sensible. I
Re: [lpc2000] Re: LPC23xx ethernet
2005-03-16 by Onestone
Ah but I don t begrudge you your behemoths. I just think my end of the bar should be catered for too. When I attended the Philips seminar they actually
Re: [lpc2000] Re: LPC23xx ethernet
2005-03-16 by Rod Moffitt
... And might I say thanks! to Philips for not listening to you! ;) I for one am rather excited about the new LPC23XX chips, not only because of the
Re: [lpc2000] Re: LPC23xx ethernet
2005-03-16 by Onestone
... Hacking started this industry, and many of the most influential designs in the world began their lives in a garage. hell I don t even have a garage top
Re: [lpc2000] Re: Interfacing audio DAC to LPC2106?
2005-03-16 by Bogdan Marinescu
Sorry, my mistake. On Wed, 16 Mar 2005 11:05:00 +0100, Andreas Schwarz ... -- Bogdan
Re: Interfacing audio DAC to LPC2106?
2005-03-16 by Andreas Schwarz
... The data interface is always I2S or something similar, SPI is only used as control interface.
Re: [lpc2000] Interfacing audio DAC to LPC2106?
2005-03-16 by Bogdan Marinescu
Searching google for spi audio dac yields some intriguing results :) For example: http://focus.ti.com/docs/prod/folders/print/tlv320dac26.html ... -- Bogdan
Re: [lpc2000] Interfacing audio DAC to LPC2106?
2005-03-16 by FabioDB
... If you dont need high audio quality, you can try with PWM output of LPC2106 followed by an active low pass filter and amplifier. -- FabioDB
Re: LPC23xx ethernet
2005-03-16 by balazs_scherer
Hello, OK, I have used TCP/IP and applications on PIC using not more than 32k. But it is a hacking, and a garage development. For a real TCP/IP application you
Interfacing audio DAC to LPC2106?
2005-03-16 by Andreas Schwarz
Hi, I have a software MP3 decoder running in my LPC2106, but I m still looking wor a way to interface an audio DAC. I2S seems to be impossible to implement
Re: LPC2106 external interrupts
2005-03-16 by Owen Mooney
Easy - Use a LPC23xx series chip! I don t know why they did level interrupts on the LPC21xx series (easier to impliment?). I have never used a level interrupt
Re: 2138 reset problem.
2005-03-16 by charlesgrenz
Hi, Maybe the DTR control line for the reset may not be long enough for the production version of the LPC. The schematics for the Keil unit showed that the
2138 reset problem.
2005-03-15 by tah2k
I have been evaluating the LPC2138 for a few months now using the Keil MCB2130 board, Arm compiler, and Arm Multi-Ice emulator. All peripherals have been
Re: LPC23xx ethernet
2005-03-15 by lpc2100_fan
Gus, the applications that I saw can work reasonably well with 256k/32 which would confirm your findings. Bob
LPC2106 external interrupts
2005-03-15 by Leonardo Santos
Hello All! I m trying to write a simple interrupt routine for a external interrupt source (EINT0) for a LPC2106. As there s no selection between level or
Re: [lpc2000] Re: Watchdog and external Interrupt problem
2005-03-15 by Robert Adsett
... Actually I d suggest system mode. The only difference between User and System mode is (AFAIK) that in system mode you can control the interrupt and mode
Re: Watchdog and external Interrupt problem
2005-03-15 by itsjustimpossible
Thanks to all those who replied. Sorry for the delay in replying, finally got back to working on this again. Just a quick question, yes I am in User mode all
CAN Test Mode
2005-03-15 by peterburdine
I am trying to write some functions that will test if the CAN controller is working properly. I ve figure out how to use CANMOD-STM and CANCMR-SRR together to
Re: Segger / IAR J-Link JTAG and Blue Screen of Death
2005-03-15 by Leighton Rowe
Check the link below for more details on JTAG Interface Connection : http://www.segger.com/jlink.html I haven t experienced any blue screens while using
Re: [lpc2000] fiq handler (iar:ERR vs gcc:OK)
2005-03-15 by k b shah (lascaux)
Are you sure you are setting up stack in the cstartup file ...??? Standard sample code come with stack definition for IRQ but not for FIQ... For IAR I can say
fiq handler (iar:ERR vs gcc:OK)
2005-03-15 by Pawel Sikora
Hi all, I m currently testing the new embedded workbench eval 4.20a. I have a software that perfectly works with gcc-3.4.x but doesn t work with IAR. I think
Re: [lpc2000] Re: SPI RESPONDING
2005-03-15 by k b shah (lascaux)
data will be sent out in master mode along with the spi clock. The same clock will be used to shift data in received on MISO pin. i.e. the shifting of data
Re: [lpc2000] Re: Segger / IAR J-Link JTAG and Blue Screen of Death
2005-03-15 by k b shah (lascaux)
Guys, That was my suspect i.e. my board is bad, but I have tried same JLINK with other board from ATMEL -- AT91SAM7 series , result is same. I have same
Re: [lpc2000] usb printer with lpc2106
2005-03-15 by k b shah (lascaux)
What you need is a USB master which can drive printer (USB slave device). Cypress has one , you might find from others also. Philips has I think ISP1181B that
Re: SPI Interrupt problem
2005-03-15 by mobilsiten
Sorry, I forgot to include the write_byte function. unsigned write_byte (unsigned Data) { S0SPDR = Data; while(S0SPSR == 0) { ; } return S0SPSR; }
SPI Interrupt problem
2005-03-15 by mobilsiten
Hi, I´m trying to setup an interrupt for SPI, but without success. This is my code: void SPI_IRQ (void) __attribute__ ((interrupt( IRQ ))); int main (void) {
Re: [lpc2000] Re: SPI RESPONDING
2005-03-15 by microbit
Hi Rajendra (Mark), Mark has covered SPI operation very well, that s the nuts and bolts of it. Maybe one last remark to make it sink in a bit easier again.
Re: SPI RESPONDING
2005-03-15 by Mark Butcher
Hallo Rajendra When the SPI (master) sends 8 bits of data over the MOSI line it also clocks in 8 bits of data via the MISO line. Therefore when a byte of data
usb printer with lpc2106
2005-03-15 by jha_santosh_kr2005
Hi I want to attach usb inkjet printer(any model)with lpc 2106 to get the text as well as picture print out. can any body guide me? Santosh jha
Looking for UART0 interrupt driven example
2005-03-15 by r_bottleneck
Hi, I m doing the first steps with the LPC2106. The application builder I have access to, does not work correctly . Could anybody please advice where to get an
Re: SPI RESPONDING
2005-03-15 by rockraj_2003
Hello Mark, Thanks for Ur Response.I tried Ur Code its working fine. I aslo changed my prog.This Code is also giving the Same response. I didn t CLR the SSEL
LPC2214 with address & data series resistors?
2005-03-15 by tonalbuilder2002
Hello, starting to layout a LPC2214 board with 2 SRAM packages, 2 FLASH packages, and several other peripherals on the bus. LPC2214 docs don t seem to require
Problem with IAP
2005-03-15 by dommati sunil
Hello to all group members. This is the first time iam mailing to this group. Iam working on LPC2214 ARM controller using GNU tools. I want to place some data
Re: [lpc2000] Re: Segger / IAR J-Link JTAG and Blue Screen of Death
2005-03-15 by Robert Adsett
... That sounds like a hardware fault. Either with the board or the J-link. It s acting as if the reset from the J-link is trying to pull it down but can t
Re: Software UART?
2005-03-15 by sashi ono
... Try the Max3100 I used it with the lpc and it works great. I can generate the clock it requires by dividing the 14.xx clock by 4.
Re: [lpc2000] Re: Segger / IAR J-Link JTAG and Blue Screen of Death
2005-03-14 by k b shah (lascaux)
Gentleman, I am aware of reset checkbox, infact I have a macro written to do same job... for IAR 4.21A... execUserPreload() { __hwReset(0); } execUserReset()