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I2C

Comp.Arch.Embedded is a worldwide Usenet news group that is used to discuss various aspects of Embedded Systems development.

We found 478 threads matching "i2c"

You are looking at page 1 of 12.

The most relevant threads are listed first

Re: Lattice vs Altera (Mico32 / NIOS)....or?

Goli - 03:31 10-10-08
On Oct 10, 12:11=A0am, FreeWheel wrote: > Hi everybody, > > First off all...sorry for cross posting this to both arch.fpga and > arch.embedded, but I think it fits in both places. > > I'm currently in the selection fase of an FPGA vendor. we need a > 2M > gate chip with DSP capabili...Re: Lattice vs Altera (Mico32 / NIOS)....or?

ISR in SoC

stararvigu@gmail.com - 04:48 03-10-08
Hi all, My name is Ravi. I am working on system integration and testing. I am using SDCC compiler for my C code compilation. I have different peripheral module like i2c, spi, uart, memory controller, lcd. Inside ISR, based on status of interrupt controller i am setting flags, and based on these...ISR in SoC

How connect PC Embedded to MDB (Vending Machine)

juanmafreelance - 21:25 30-09-08
Hi! I am noob in this newsgroup, but i think that it is very interesting. I'm not english, and I speack very bad it, i'm sorry. My question is: How connect a PC Embedded with a Vending Machine?? I know that the protocol used is MDB, but it is different to the pc conector (RS232, USB, I2C, etc)...How connect PC Embedded to MDB (Vending Machine)

Re: 40 core embeddified processor

13:53 30-09-08
On Sep 26, 4:47=A0pm, "Wilco Dijkstra" wrote: > The Propellor is pretty odd as well (2 operands, 9-bit direct memory addr= ess) > and =A0also uses an unconventional programming language. Personally I'd p= refer > a fully featured core with single cycle instructions capable of running C= ...Re: 40 core embeddified processor

How connect PC Embedded to MDB (Vending Machine)

15:33 28-09-08
Hi! I'm sorry but I am not English and I speack English very bad. My question is: How connect a PC Embedded to Vending Machine? I know that exist a protocol MDB that is used by vending machine, but this conector is different to pc conector (RS232, USB, i2c, etc). Can I connect a PC Embedded...How connect PC Embedded to MDB (Vending Machine)

IntellaSys SEAforth 40C18 40-core Processor -Guy Macon

Guy Macon - 10:18 26-09-08
Content-Transfer-Encoding: 8Bit IntellaSys 40-core Processor Announced "IntellaSys has unveiled its SEAforth 40C18, a 40-core multicore processor designed for embedded wireless, portable, and distributed data processing applications. The SEAforth 40C18 is an array of 40 fully functio...IntellaSys SEAforth 40C18 40-core Processor                                                                        -Guy Macon

Best low cost uP for full Linux

m - 09:33 26-09-08
I am trying to select a uP to build into an embedded device. Here are the requirements: - Run full Linux with MMU support - External bus support for more than 256MB of RAM, preferably DDR2 - Support for 64MB+ of NAND FLASH - Support for 8MB of NOR FLASH - I2C (2 ports ideal, one is OK) - S...Best low cost uP for full Linux

Hardware I2C block on PXA (XScale): Hangup??

jasontiller - 17:47 22-09-08
Hello, All, :) I'm having tons of trouble controlling some simple I2C peripherals via a Marvell (nee Intel) PXA270 processor. This processor has a built-in I2C controller, with simple configuration via a few bits in a single register. When looking on a scope, I'm seeing the bus completely ha...Hardware I2C block on PXA (XScale): Hangup??

Re: Which development board and LCD?

=?windows-1252?Q?Glenn_M=F8ller-Holst?= - 14:01 22-09-08
abcd12 wrote: > Hi! > > I am building a simple monitoring system, that would read data from few > sensors and display them on a colour 320x240 LCD. As far as the > microcontroller goes, I'll probably go with ARM9 or ARM7. Do you have any > suggestions about the development board and LCD...Re: Which development board and LCD?

Re: ST semi RTC M41T94

Martin Griffith - 13:33 09-09-08
On Tue, 9 Sep 2008 09:08:12 -0700 (PDT), in comp.arch.embedded linnix wrote: > On Sep 8, 7:19 am, Martin Griffith wrote: > > I'm waiting for a couple of M41T94 real time clock chips to arrive, so > > I'm scribbling some 8052 C code in advance. It's an SPI ic. > > > > My question i...Re: ST semi RTC M41T94

Re: 32-Bit Microcontroller for New Project

13:27 08-09-08
On Sep 8, 1:27=A0am, larwe wrote: > I find this really hard to believe, but okay, fine: Why is that so hard to believe? All of these microcontrollers are more similar than different. They all come with 256-512K of Flash, 32-64K of RAM, all have I2C, SPI, ADC, GPIO, timers, and other periph...Re: 32-Bit Microcontroller for New Project

rs-232 to i2c converter using 16f88

Squishy - 09:52 26-08-08
Hi guys, I've been searching the internet and specifically this site now for a few weeks in an attempt to learn how to get my 16f88 to convert my gps data (rs-232) to i2c. I am doing this so that my Lego NXT can receive gps data without it using up the bluetooth connection. I have the physi...rs-232 to i2c converter using 16f88

Re: Micro Controller Advice/Help Needed

deanvesuvio - 13:26 12-08-08
Rich - It seems like the LPC2138 or LPC2136 might provide a very simple solution. Correct me if I'm wrong, but it looks like with one of these chips, all I'd need to do is get a UART RS232 interface chip to put in between the LPC213X and my XE2422H. Add on a power adapter and an RJ-11 jack, and tha...Re: Micro Controller Advice/Help Needed

Procyon Library for Atmel AVR MCU - =?ISO-8859-15?Q?I=B2C?= problems

=?ISO-8859-15?Q?R=FCdiger?= Leibrandt - 11:16 30-07-08
Hello! I am new to programming and am struck with the Manual for the Procyon Library for Atmel's ATMega MCUs. It basically provides functions for all the interfaces and functions available on the Atmel MCUs. Problem is as follows: I have a Thermopile array sensor - TPA81 ( http://www.robo...Procyon Library for Atmel AVR MCU - =?ISO-8859-15?Q?I=B2C?= problems

Silabs c8051f411 I2C,is clock stretching transparent to the programmer?

blisca - 15:11 21-07-08
Hi to all,thank you for dedicating me a bit of your time. I'm trying to modify a program that i "inherited", it was done for a similar project,where the c8051 acts as a I2C slave; reading the code i saw that in the I2C section done by the SMBus no mention is done to clock stretching. I...Silabs c8051f411  I2C,is clock stretching transparent to the programmer?

Alternate supplier for dallas/microchip 1-wire memories

Stef - 11:20 18-07-08
For production of measurement probes, we need to store calibration data on them. Because of the limited number of connections, the 1-wire memories look like good candidates. For now we need at least 16kbit of storage which should be eprom or eeprom. The only suitable device from maxim therefore ...Alternate supplier for dallas/microchip 1-wire memories

Re: Ethernet design

Rich Webb - 20:26 16-07-08
On Wed, 16 Jul 2008 15:44:16 -0500, Nobody Here wrote: > I need to start thinking about some Ethernet designs, one as a standalone > switch and the other to integrate a 2 port switch with a microcontroller. > > I've looked at some datasheets and reference designs and it doesn't seem > to...Re: Ethernet design

Good hobbyist VGA camera module?

larwe - 15:44 16-07-08
Can someone suggest a reasonably-priced monochrome camera module (I can live with color but don't need it), VGA-resolution camera module with some kind of buffer and low-speed interface; SPI, I2C, RS232, etc. SPI would be my preference. I need two of them, and perhaps two spares, to build a de...Good hobbyist VGA camera module?

Best buy linux comp. CPU ??

MMJ - 04:00 01-07-08
Hello all, I am doing some preliminariy research on finding a suitable embedded CPU for our next project on my workplace. The product of the product is in the 25k-50k range and somewhat costsensitive. What we are looking for is an embedded CPU bassed on a semi-standard core (ARM, MIPS,PPC.....Best buy linux comp. CPU ??

Re: BasicX platform

Frank Buss - 04:18 28-06-08
Guy Macon wrote: > Good description of the internals of the BasicX line which compiles > BASIC code into an intermediate stack-based language: Nice description, but I'm not sure, if a virtual machine is a good idea for microcontrollers. Many applications are not time critical, so this is ...Re: BasicX platform

Sound chip manufacturer...

jjwsei - 08:18 19-06-08
I have a project that will incorporate pre-recorded sounds. Something like nature sounds; ocean waves, birds, etc. Does anyone have any leads as to a manufacturer that might supply such an item. I've posted some requests to alibaba.com but have had no responses yet. Obviously the desired module will...Sound chip manufacturer...

LPC2138 I2C

Frank van Eijkelenburg - 10:27 18-06-08
Hi, I am still using the LPC2138 ;). Now I have a problem with I2C. When I try to send some bytes to an EEPROM device, the following happens: - I2C start condition is made - interrupt is generated - I2C address is sent - EEPROM device gives an ACK And now nothing happens. If I look at t...LPC2138 I2C

Re: Flash retention in uC at higher temps, experience?

TheM - 16:11 14-06-08
"Frank Buss" wrote in message news:i5s7vw2ybqby.17ppigai6cf64.dlg@40tude.net... > TheM wrote: > > > I thought it was limited number of writes. But for certain packages (serial) it practically means > > unlimited as the protocol limits number of reads sufficiently. > > The Freescale ch...Re: Flash retention in uC at higher temps, experience?

Re: build camera using cmos3088

Leon - 15:02 11-06-08
On 11 Jun, 14:50, yoge...@gmail.com wrote: > On May 17, 7:03 am, "ysugand" wrote: > > > Hay, I have just purchase a cmos 3088 and planning to build my own camera > > from it. > > I am just wondering what are the others components that I need to purchase > > to build the camera. >...Re: build camera using cmos3088

How to Un-Hang a DS RTC Chip Stuck in I2C La-La-Land ???

B1ackwater - 11:02 10-06-08
I've been working with a Real-Time-Clock chip, the DS-1337+, and noticed that if the final I2C read operation isn't accompanied by a 'no-ack' then I2C communications hang-up shortly thereafter. The PIC language I'm using (MikroPascal) does not have a proper "time-out" for I2C operations, so ever...How to Un-Hang a DS RTC Chip Stuck in I2C La-La-Land ???

initialization steps that I have learned

Rudy - 09:51 10-06-08
I have recently learned some initialization mistakes that I have made while programming a TMS470R1B1M and for all the new people who do not have experience (like myself), I would like to share these. Not sure if this applies to this group since it seems people here have a lot of experience, but...initialization steps that I have learned

Re: What Serial Link to use

Anton Erasmus - 11:40 09-06-08
On Mon, 09 Jun 2008 05:20:15 -0500, "Jalon" wrote: > Hi All, > > I am a novice in Embedded and looking for inputs on the Basic > characteristics of serial protocols that will help me in deciding which > protocol to use (SPI/SCI,I2C..... RS485, RS432). > > In other words i find easy t...Re: What Serial Link to use

Re: ZIP Algorithm on PIC 16F/18F ?

Jim Granville - 18:47 02-06-08
B1ackwater wrote: > > I suppose we could add another fRAM chip, but, well, > hardware complexity costs dontchaknow ... or just move to a larger one ? Ramton have bigger devices then 64kb. They do i2c to 512kb, and also I see a 2Mb SPI model, with a 40Mhz spec -jg ...Re: ZIP Algorithm on PIC 16F/18F ?

Re: Any serial analyzer recommendations?

Rich Webb - 14:31 21-05-08
On Wed, 21 May 2008 10:43:24 -0700 (PDT), fredbasset1000@gmail.com wrote: > Hi All, > > I need to monitor the serial traffic between a PC and an embedded > system. > Can anyone recommend an inexpensive serial analyzer to do this? > Bonus if it works with Linux as well as Windows. I use ...Re: Any serial analyzer recommendations?

I2c slaves at different clocks

sajeera - 02:59 16-05-08
Hi, My question is a very basic one. Can an I2C Master run a slave at 100 kz and another slave at 400 khz? Thank you, Sharaf ...I2c slaves at different clocks

Re: uC Slection for a learner project

Frank-Christian Kruegel - 11:41 04-05-08
On Sat, 3 May 2008 10:51:56 -0700 (PDT), AC Me wrote: > 1. Very small power consumption. It would be nice if the uC would be > capable of operating from the merest suggestion of a hint of a > picowatt :) There are several. I'd start with MSP430 and AVR. > 2. A 1-Wire interface would b...Re: uC Slection for a learner project

Re: Anyone out there using Ada ?

James Beck - 15:46 30-04-08
In article , yaldnif.w@blueyonder.co.uk says... > On 30/04/2008 17:20, in article > 125abc62-7cc7-4e73-9bcb-f329275865dc@q1g2000prf.googlegroups.com, "linnix" > wrote: > > > > > > "The 1980s will probably be remembered as the decade in which > > > programmers took a giganti...Re: Anyone out there using Ada ?

CM3 support

henza - 18:01 27-04-08
Hi all, I would like to know if uclinux suports CM3 port and other peripherals such as I2C, ethernet, RS232... and other communication method? Many thanks, Henry ...CM3 support

Re: Monochrome LCDs

larwe - 07:26 23-04-08
On Apr 23, 4:55=A0am, "ydoubl...@gmail.com" wrote: > Just about to begin some works on Monochrome LCDs. I had some > experience dealing with those characters LCD driven by HD controllers. What kind of monochrome LCDs? There are some simple LCDs with the controller integrated on the glas...Re: Monochrome LCDs

Re: A Challenge for serialized processor design and implementation

rickman - 16:51 09-04-08
On Apr 8, 5:30 pm, Jim Granville wrote: > > Re Quad Serial memory devices, and execute in place : > I see SST have just released a Quad device as well. > $1.16/10K for 16MBit > > Good news, and bad news : > > Good news: 80MHz nibble rate. They also added 8 & 16 bit address modes,...Re: A Challenge for serialized processor design and implementation

Re: PCI SPI interface card

07:02 01-04-08
On Mar 31, 9:58=A0pm, Freelance Embedded Systems Engineer wrote: > p...@island-sys.com wrote: > > I am developing an embedded product, and I need to talk to it using > > the MPU's SPI interface. =A0I have been looking around for a cheap PCI > > card that has an SPI interface on it but...Re: PCI SPI interface card

Re: Averlogic AL250 and scan doubling

Paul Carpenter - 09:08 28-03-08
"Keith M" wrote in message news:9X%Gj.4590$N_5.2704@trnddc05... > Does anyone have experience with the Averlogic AL250 Video Scan Doubler IC? Not directly but doing various resolution video deinterlacing to various resolution LCD panels. > Datasheet is here > > http://www.ortodox...Re: Averlogic AL250 and scan doubling

Re: SPI noise, shielded cable required?

Leon - 11:15 22-03-08
On Mar 22, 12:12=A0pm, "dohzer" wrote: > I've got an SPI master/slave test circuit set up between two Atmel ATmega8= > microcontrollers, with the master on an STK500 development board and the > slave on a breadboard. > > I noticed that sometimes I would get noisy communications and ot...Re: SPI noise, shielded cable required?

Re: QAM tuner ic: who makes one?

Hans Bus - 05:51 20-03-08
Rodo schreef: > Hi all, > > I was looking at Broadcom's parts for (cable) tuner/receivers. I tried to > find other mfrs that make similar products. I found Infineon makes some > stuff for tuners but not the QAM kind for cable. Who else makes QAM tuner > chips? Maybe even simpler than...Re: QAM tuner ic: who makes one?

Re: Linux RAM driver question

larwe - 05:53 26-02-08
On Feb 25, 9:58 am, Tim Wescott wrote: > Now, I _don't_ know if PC chipsets need to have their RAM drivers set up > by the processor or if they're just designed to work with specific types > of RAM and that's that. I know the Motorola MPC860 did work with a They certainly do need powe...Re: Linux RAM driver question
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