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Discussion group dedicated to the Philips LPC2000 family of ARM MCUs
Search Results for "adc"
LP17xx ADC and DMA [2 Articles]
Richard - Aug 4 2010
Hi
I have ADC with burst setup (all 8 channel), where I plan to use DMA to transfer ADC register result into ADC_Result[8].
I have read the NXP application note about DMA bei... 
LPC2378 - ADC module [2 Articles]
DeV - Feb 28 2012
hello all...i have made a function for the adc module in lpc2378 which
takes the channel number as the argument and returns the corresponding adc
output (i.e. a SINGLE CONVERSION... ADC/DAC QUERY [6 Articles]
omprakash alone - Jun 29 2010
hi,
I am phasing problem with my ADC of controller which is mounted on
BlueBoard.
As my ADC is i/p, i am not able to find out howto make it bipolar.
As my ADC is o/p, i ... Diffbetween Read ADCValue through AD0DR1 and AD0GDR [4 Articles]
prab...@yahoo.co.in - Feb 13 2010
Hi all,
I am using ADC channel1(P0.24) in LPC2364.What is the different between
ADC value read through AD0DR0 and AD0GDR.
If i read ADC value through AD0GDR,i am gettin... ADC leakage current followup - TomW [4 Articles]
Sutton Mehaffey - Mar 7 2006
Tom,
Since Philips isn't responding / hasn't responded to my ADC leakage
question, as you said would probably happen, is it safe to say the
leakage at the AD0 channels is proba... ADC Reference voltage value in LPC236x series [4 Articles]
prab...@yahoo.co.in - Nov 22 2010
Hi all,
What is maximum ADC reference voltage(3 or 3.3 V)?Because I am getting ADC value 900 - 920 for 3.3 ADC Vin voltage.
But maximum value of adc is 1023 for 3.3 voltag... LPC24xx ADC fifo [3 Articles]
"joris.mushrooms" - Sep 11 2009
Hey !
First, i'd like to thank everyone for their help on my previous posts! your advices were crucial for me.
Today, i'm working around adcs of lpc2478. I wonder if there ar... Info: ADC error on KEIL MCB2300
Benny Simonsen - Jun 14 2008
Hi
I have had some problems with ADC readings on a V3.1 Keil=A0MCB2300 board (=
LPC2378).
The reason is that P1.30 (AD0.4 which by mistake is called AD0.7 in the sch=
ematic) i... Using ADC in LPC2129 [2 Articles]
R CHANTHAR - Mar 16 2008
Hello friends,
Im new to this ARM field and im doing a project of monitoring the temperature using LM35 and ARM7(part of my project).Can anyone tell me how to ... ADC leakage on LPC2148....? [3 Articles]
myfriendmarkis - Feb 8 2006
I'm using the LPC2148 and have a serious problem. I'm using one of the
ADC channels to measure battery voltage (across 2AA cells). When the
microcontroller is off there is a c... adc problem in lpc2378 [7 Articles]
jithu_ag18 - Jan 7 2011
hi I am currently doing my project. Iam handling the mcb2300 board.I am entirely new for the ARM.
Can any one tell me how to handle the negative voltages given to the input of t... Polling the ADC in Burst mode
robertfleury - May 14 2012
Is polling the ADC results registers for the latest readings an acceptable process in the LPC1768 when operating the ADC in "burst" mode? I can see it either way really. I was us... LPC1678 ADC input impedance [19 Articles]
nave...@yahoo.com - Aug 25 2010
I'm trying to measure battery voltage (12V) using the LPC1768. I was planning to use some voltage dividers (100K in series and 33K to GND)and connect to ADC the divided voltage to ... Expansion of ADC channels for LPC2114 ? [2 Articles]
"kanishka.shah" - Apr 9 2009
Hey...Friends...
I would like to know a compatible IC that can be multiplexed with the existing ADC channel. Basically LPC2114 had just 4 ADC channels... I would like to extend ... adc sampling frequency [2 Articles]
omprakash alone - Sep 2 2010
Hi,
I am using LPC2148 ARM Controller having 2 adc(6 + 8 channels) and one dac channel.
My ADC is having sampling frequency of 410 ksps ad dac of 400 ksps.
but i want both a... ADC converter - Burst mode
extra300_it - Oct 15 2004
I am testing the ADC converter on a LPC2294.
The user manual is really 'essential' about the ADC.
Is there any application note / more detailed description conce... adc/dac sampling frequency settings [3 Articles]
omprakash alone - Aug 29 2010
Hi,
I am using LPC2148 ARM Controller having 2 adc(6 + 8 channels) and one dac channel.
My ADC is having sampling frequency of 410 ksps ad dac of 400 ksps.
but i want both a... LPC210x ADC Config Utility [3 Articles]
Jason - Nov 4 2010
Just made another tool! this time for ADC. Using the LPC210x.
http://atomsoft.wordpress.com/2010/11/04/lpc210x-adc-quick-setup/
Will be adding it to this group also.
-----... LPC2132 ADC input problems [6 Articles]
gmpundlik - Aug 12 2010
Hello,
I have a LPC2132/01 rev D8 using its ADC driven by a TLV2402 opamp. There is a 10k resistor and 15nF capacitor at the input of the ADC. There have been no problems with t... LPC ADC (Analog Digital Convertor) speed and its competitors [2 Articles]
sanylcs - Feb 24 2010
Recently, I found that LPC2xxx, LPC17xx or LPC11xx ADC sampling rate can go up to 400kHz or less. Its competitors such as STmicro, TI Luminary Micro and Energy Micro ARM cortex M3 ... ADC Problem [3 Articles]
tiogate - Mar 7 2005
Could anyone please post a little working C code for the ADC on
LPC2124 (or equivalent)? I'm having a hard time reading the data
register, or interpreting it: ... ARM with 12-bit ADC [13 Articles]
ravi - Feb 22 2008
Hi All,
We have a project using 12-bit ADC. Any one has idea on chip vendors who
manufacture 12-bit 8 channel ADC. I found one from ST (STM32), but these are
based on Cortex M... LPC213x, analog port question. [6 Articles]
lp2000c - Dec 23 2004
The LPC213x has 16 pins which CAN be configured as an ADC input.
Does this mean that I can't apply more than 3.3V to any of these
pins, without corrupting ADC ... LPC2132/01 ADC issue [8 Articles]
gmpundlik - Oct 21 2009
Hello all,
I am using the LPC2132 (with enhanced ADC) for reading a hall-effect potentiometer, operated on 5V. I have used a instrumentation amplifier AD8226 to amplify and shif... using LPC2148 ADC in power down mode [2 Articles]
Mohamad Tayssir Alkowatly - Nov 3 2009
Hi all
I've come across a paper where they use ADC in power down mode on some
microchip MCU not to reduce power consumption but to lower the noise caused
by the MCU operation.... Level 'dip' in the ADC readings [8 Articles]
uohgren - Jun 4 2008
When I send out packets on the Ethernet port on the LPC2368 I can see a
clear 'dip' in the continuos ADC readings at the time for the Ethernet
packet sending.
Anyoue experienc... LPC2131 ADC Input Impedance [4 Articles]
drb5599 - Jun 6 2005
Sorry if this is an obvious question. But, I have looked at the User
Manual, and all other documentation I have and can not find a
specification for input impedance on the... DAC/ADC Sampling frequency [2 Articles]
omprakash alone - Aug 29 2010
hi,
I am using LPC2148 ARM controller having 2- ADC (6+8 Channels) with sampling frequency 410 ksps and 1-DAC with 400 ksps. but i want to modify the sampling frequency of ADC/DAC... ADC and DAC [4 Articles]
sherifkamelzaki - Apr 19 2006
hi i am using LPC2138 and my application is related to voice
something like storing the voice for 4 s then playing it back
i test the adc and Dac after each other it worked... ADC Test Setting [2 Articles]
peterburdine - Apr 5 2005
Can anyone please explain the test settings for the ADC on the LPC2xxx?
00=Normal Mode - Ok, I know this one
01=Digital Test Mode - Does this mean that you set the out... 24 bit ADC interfacing with LPC2378 using I2S [3 Articles]
sukhdeep singh - Feb 4 2009
hi,=C2=A0 =C2=A0i want to interface 24 bit ADC interfacing with LPC2378 usi=
ng I2S protocol. i am using ADC CS5361.if i shall enable 32 bit word width.=
then how can it read 24... adc overrun [5 Articles]
dnsu2 - May 1 2011
Could somebody enlighten me over the ADC overrun issue
on LPC2468?
I am using timer1 0.5mS interrupt to set AD0 burst mode, then use AD0.3 as interrupt. the AD0 INT Service ro... ADC reference voltage [2 Articles]
tasking12 - Jun 7 2005
Hi all,
does anyone know has ADC of LPC210x a one internal reference
or use analog 3.3V as reference.
In other words is the ADC result depend on effektiv voltage
o... LPC23xx ADC burst mode [4 Articles]
nemecsek69 - Mar 18 2008
Hi. I want to use ADC in burst mode on LPC2378 (Olimex LPC-2378-STK
board) with IAR C compiler 5.10.
I need to read AD0.1, AD0.3 and AD0.5 in burst mode but I cannot solve
a ... about i2s of LPC2378
sukhdeep singh - Feb 18 2009
hi,
=A0=A0=A0=A0=A0 i am interfacing LPC2378 with 24 bit adc. adc is operating =
in slave mode. now i want operate lpc2378 in master mode. what should i=A0u=
se in programming=A... LPC175x adc problems
"M. Manca" - May 3 2010
I am experiencing problems with adc of LPC175x mcu.
Seems that if the mcu works with the internal oscillator without the
PLL0 it reads a different value then with the internal os... LPC2888 interfacing with ADC. [2 Articles]
Prashant A - Dec 15 2009
Hi,
I am facing a strange problem here.
When i configure the LCD pins as input, and connect a 10 bit ADC to the
same, the processor simply hangs.
This is beca... Problem with ADC [4 Articles]
shakeel_qau - Jul 24 2008
Hi
i am using lpc2368,with ADS v1.2 ,i am facing problem with A to D
conversions.i get the right values in ADC for given analog input if i
use VREF 3.3v ,as soon as i change r... Error in LPC213x users manual [2 Articles]
rggmns - Jun 20 2005
Hello,
I have spend some time in getting the ADC on the move.
The users manual states on page 198 that the ADC inputs are always
connected to the I/O pins of the LPC. This... lpc2378 adc problem line ad0.4 and ad0.7 [5 Articles]
DeV - Feb 19 2012
this is with regard to the adc of lpc2378-stk olimex kit..the line 0.4 is
marked as +5V USB and is thus always high even if i select its function as
adc input...also line adc 0.7...