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Discussion group dedicated to the Philips LPC2000 family of ARM MCUs

Search Results for "spi"

  

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SSP/SPI on the LPC2478   [3 Articles]

-1
ostehaps01 - Mar 30 2009
Hallo I do have a generic question about the SSP/SPI in the LPC2478. The user manual confuses me a bit.!! SSP0/SPI can be used either as SSP and SPI. But the SSP can also run... SSP/SPI on the LPC2478

The LPC21xx/LPC22xx's SPI. Am I missing something ?   [2 Articles]

0
gregdeuerling - Jul 12 2004
Hello, I have a Maxim thermocouple converter (MAX6675) hooked up to a LPC2294's SPI. The MAX6675 is SPI read only device, i.e., enable chip select and it ... The LPC21xx/LPC22xx's SPI. Am I missing something ?

SPI protocols - LPC2148   [7 Articles]

0
Sutton Mehaffey - Sep 19 2007
This is not really a LPC question, but didn't know where to post it. Many here are using SPI and I was wondering if anyone has had any issues with standard protocol with SPI per... SPI protocols - LPC2148

SPI on LPC2106 and 9bits transfer   [5 Articles]

0
"Ezequiel L. Aceto" - Mar 15 2007
Hello, I'm connection my 2106 with a device that uses a 9bit interface. How can I use the hardware SPI with this device? I can do a software Master SPI, but will be slow. A... SPI on LPC2106 and 9bits transfer

Differece from SPI and SSPI   [4 Articles]

0
"franco.dalpero" - Sep 20 2007
Hi at All What is the difference from SPI and SSPI interface? I can send at receive the data a max speed in SSPI? What is the max speed in SSPI interface? In this my applicatio... Differece from SPI and SSPI

LPC2124 Slave Mode /SSEL operation

0
phlpcmicro - Sep 12 2006
Hi All, Consider a LPC2124 in Slave mode. What is the effect of pulling the /SSEL line high (called DATA ABORT) during an SPI transmission. What is the effect on the SPI ... LPC2124 Slave Mode /SSEL operation

FreeRTOS + SPI bus + SPI slave devices   [2 Articles]

0
junointegration - Jul 27 2009
Has anybody done any framework for FreeRTOS with SPI support before? I'd like to process interrupts from the slave devices as soon as possible. It seems implementing semaphores ... FreeRTOS + SPI bus + SPI slave devices

Constructors   [2 Articles]

0
Rodrigo Cesar da Silva Martins - Sep 20 2004
How can I use class constructors with gnu arm? I'm using a LPC2129 and Keil development system. For example: //header file class SPI { public: SPI(char i... Constructors

SPI Interface Layer for SDIO Card

0
maneeshjain1981 - Dec 1 2007
Hi I am using the LPC2138 as SPI Host controller & CSR Unifi Chip as SDIO card(in SPI Mode). I need to connect the Unifi Chip(SPI Mode) with the LPC. I am able to initili... SPI Interface Layer for SDIO Card

SPI Performance   [9 Articles]

0
James Dabbs - Feb 28 2005
Do any of the LPC ARM's have faster SPI ports (like maybe with a FIFO), or are they all basically the same as LPC210X? I thought I saw mention here that one of t... SPI Performance

Problem with SPI irq

0
cbitsunil - Sep 13 2005
Hello friends, i am using LPC2214 as Master and LPC 2104 as slave in my project using KEIL UVISION3.The communication between these two controller through SPI. Iam usi... Problem with SPI irq

LPC2468 SPI problem

-2
Tim Mitchell - Aug 18 2008
Having a strange problem with SPI on the LPC2468. There are 2 sets of pins which can be used for the SPI, but we can only get one of the sets to work. If we configure the SPI ... LPC2468 SPI problem

Re: SPI issues - 3wire vs 4wire

0
Doug Sutherland - Oct 13 2007
You can use a GPIO as chip select. In fact it's common with SPI to use many GPIOs on the host if you have many SPI slaves. This chip select for SPI is not the equivalent of chip ... Re: SPI issues - 3wire vs 4wire

SPI problems

0
johnnorgaard2003 - Sep 27 2004
Hi I use SPI interface with lpc2106. I have setup the SPI and load the dataregister. After that I can see SPSR is 0x80 and SPINT is 0x01. It ok. But when the whi... SPI problems

Newlib-lpc 5a example for SPI?   [7 Articles]

0
lpcarmed - Oct 30 2006
I made a quick test of SPI support of newlib_lpc5b contributed by Robert/Aeolusdevelopment. I could not get example11.c to use the plain SPI device without the fram subdevice. Th... Newlib-lpc 5a example for SPI?

SPI problem   [2 Articles]

0
Messal, Art - Dec 6 2004
Hi All, I'm having a problem with the SPI bus and am wondering if anyone else has encountered similar problems. The problems is that the SPI Slave fails to ... SPI problem

SPI buses on LPC1768   [14 Articles]

0
Olivier Gautherot - Jan 19 2011
Dear list, I am working on a design that will use the LPC1768 and I have a question about the doc - mainly to cross-check my reading. The datasheet refers to SSP0, SSP1 and SP... SPI buses on LPC1768

SPI howto   [2 Articles]

0
lpcarmed - Apr 18 2005
There was a lot of discussion about SPI recently, it would be great if we could summarize how to use it right. For starters this is what I collected: - SPI master co... SPI howto

SSP0 v/s SPI   [3 Articles]

0
samiehg - Nov 29 2007
Hi We are using LPC2378 for our design. We need TWO spi modules in our design. The possible options I have are: a. SPI and SSP1 OR b. SSP0 and SSP1 In light of above,... SSP0 v/s SPI

General SPI Question   [4 Articles]

0
jeffbranc01 - Jan 26 2006
Hello, This is more of a general question regarding using the SPI peripherals with the LPC2000 chips. I'm somewhat new to this form of serial communications, so sorry for borin... General SPI Question

Slow SPI UART Interrupt?   [3 Articles]

0
junointegration - Jul 29 2009
I have an MCB2300(LPC2368)eval board and an SPI Dual Uart (SC16IS752) demo board hooked up with the SPI pins from the MCU. The SPI Dual UART irq is connected to one of the MCU'... Slow SPI UART Interrupt?

Problem: SSP1 ; Slave SPI Mode Operation   [4 Articles]

0
Mukadder CEYHAN - Jul 12 2010
Hi All, Is anybody succeeded in operating SSP1 module as slave spi for LPC2368 controller. I could not find any code sample and have problems about receving data from spi master... Problem: SSP1 ; Slave SPI Mode Operation

LPC2138 SPI Master SSEL Problem   [2 Articles]

0
Marc Donner - Oct 15 2010
Hi @all, I have setup the SPI in Master Mode but if I try to transmit data the SPI enters slave mode. If I enable the SSEL Pin and tie it to VDD all works perfekt. So my qu... LPC2138 SPI Master SSEL Problem

SPI programming for LPC2129   [2 Articles]

0
NITISH KUMAR - Mar 15 2008
hi all, i have written program for LPC2129. data is not coming in SPDR register of SPI but status shows that data is transfered. i have checked on keil and lpc board also. sti... SPI programming for LPC2129

SPI using SD/MMC interface in 23xx   [4 Articles]

-1
rm_lucknow - Nov 2 2011
Hello, Both the SPI interfaces of LPC23xx are used up in my design. Is it possible to use SD/MMC interface to connect simple SPI Flash ? Thanks RM -----------------... SPI using SD/MMC interface in 23xx

LPC2294 SPI, number of bits   [3 Articles]

-1
Boris Kralik - Jun 24 2008
Hi group. We have a discussion about number of bits of SPI, which I want to transfer/receive. My opinion is, that SPI on LPC2294 is only 8bits, SPI Data Register is only 7:0 b... LPC2294 SPI, number of bits

best way to do SPI   [7 Articles]

0
Gus - Sep 23 2005
Hello, In your opinion, what is the best way to transfer data between 2 LPC micros using SPI? The way I have it now, one is master and other is slave. The slave one... best way to do SPI

SPI code   [3 Articles]

0
rottenralph76kc - Aug 30 2004
Hello all, Is there any sample SPI setup/running code for the 210x available??? First time to use the SPI interface for a graphic LCD and would like to see ... SPI code

LPC2138 Slave SPI

0
phlpcmicro - Feb 11 2006
Hi All, I am seeking clarification of the SPI slave operation for the LPC2138 When an LPC2138 is configured as a slave. Please assume the SPI control register has been configu... LPC2138 Slave SPI

SPI usage   [26 Articles]

0
acetoel - Jan 4 2005
Hello... Is there any sample code that shows how to read and write a byte on the SPI bus? or any SPI sample code? Thanks Ezequiel ... SPI usage

Duplex communication using SPI   [10 Articles]

0
sukhdeep singh - Jun 25 2010
Hi,     Is it possible to have duplex communication using SPI? Suppose if SPI is receiving data of 8 bit, it has received 7 bit and now getting the last bit of data at the same t... Duplex communication using SPI

SPI interface to Atmel DataFlash   [3 Articles]

-3
Gopalakrishnan - Apr 28 2006
Hi I am trying to interface the lpc2124 with a SPI atmel DataFlash.I am operating the SPi at 2MHz an dMODE 3 and i am able to get the status register.But i am not able to read o... SPI interface to Atmel DataFlash

SPI issues - 3wire vs 4wire

0
Sam Lee - Oct 13 2007
Hi I am using a LPC3180 together with an MAC7111 and i want em to communicate via SPI. the problem is LPC3180 has a "3 wire SPI", lacking the Chip/Slave select, while the MAC... SPI issues - 3wire vs 4wire

Reg: SPI timing   [2 Articles]

0
sriram karunagaran - May 23 2006
Hello All, I'm trying to connect LPC2148 with another chip with SPI interface. I have gone through the data sheet as well as the manual, but didn't find any timing related to ho... Reg: SPI timing

SPI bug : one channel seems to corrupt the other one

0
dukearmlover - Oct 13 2005
Hi all, I'm using an Olimex LPC2129 board and I'm working on a project that uses the two SPI channels. Did anyone manage to make both SPI channels operate simultane... SPI bug : one channel seems to corrupt the other one

SPI Perph useless for Word data ????   [13 Articles]

0
sig5534 - Jan 16 2005
I've been fighting trying to get this damn SPI module to work with some ADC's and DAC's. These use 16, 24, and 32 bit word sizes. As far as I can tell the SP... SPI Perph useless for Word data ????

Difference between SPI and SSP in LPC23xx   [7 Articles]

0
varuzhandanielyan - May 25 2007
What is the difference between SPI and SSP? They share the same pins and seems that SSP can do all the SPI can, while being 4 times faster. Am I wrong? Varuzhan ... Difference between SPI and SSP in LPC23xx

I2c/Spi bus sharing   [8 Articles]

0
FIRAT KOCAK - Apr 1 2009
Hi, While sharing i2c/spi bus, it is ok for spi devices that they have a chip select input but for i2c devices there is not any kind of input ( some have reset pin, this pin... I2c/Spi bus sharing

LPC2478 SPI interface problem

0
"galvin.shock" - Apr 20 2011
Hi, I'm currently using EA LPC2478 Developer's kit to do some display on my new LCD screen, hence i need to send out data using the SPI interface. Probing from the SPI signal, ... LPC2478 SPI interface problem

SPI questions/observations   [6 Articles]

0
Art Sobel - May 20 2004
In the process of attaching some SPI peripherals to the chip I ran into some strange behaviour. There are 4 pins to use, SPICLK, MISO, MOSI and SSCS, First the SSCS... SPI questions/observations
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