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Re: Data lines as general I/O

On 29 Dec 2004 at 23:57, jamesasteres wrote: > > > Hi, > I'm using the LPC2292 (144 pin). If I only have 8 bit external > devices, can I use P2.8 thru P...

PINMODE effective for GPIO only?   [2 Articles]

LPC24xx: For GPIO port pins, does the PINMODE pull up/down setting also have effect when the pin is configured not for GPIO, but for other functions? The manual says "The PINMODE...

LPC2132 PWM6/GPIO Bug?   [4 Articles]

I am using the LPC2132/QFN64 on a project, where I have the PWM6 on Pin P0.9 (34) used as well as a GPIO output on Pin 0.10 (35). If I setup the P0.9 PWM6 on the PINSEL0, the ...

GPIO issue on LPC2368   [4 Articles]

I've met a confusing problem. GPIO pins supposed to work as a input/output that we've defined right? But the problem is I can made the GPIO-able pins on port2.x as GPIO, tested th...

LPC2103 FAST GPIO

PLEASE HELP ME I HAVE PROBLEM WITH FAST GPIO LPC2103 PLEASE SEND ME SAMPLE PROGRAN FOR FAST GPIO I DONT CONNECT GPIO TO PHYSICALY PIN ------------------------------------ ...

5V GPIO output with single resistor   [8 Articles]

I have 5V part connected to LPC2148 GPIO. Unfortunately, the input of 5V part has lower limit for VinH above 3,5V. Digital signals are generated by LPC, the 5V part is input on...

LPC2368 hardware question   [2 Articles]

Hello. if this message is in the wrong group, just tell me where it need to be posted and i will post it. i have a development board (http://futurlec.com/ARM2368_Controller.s...

Re: Using TRST (P1.31) as GPIO on LPC2148

Maybe this informations can help you: Take a look at LPC2148 User Manual, page 80: PINSEL2 register, bit 2, is used to set the direction of PIN 1.36-1.26 The GPIO 1.23 is ...

lpc2378 GPIO Interrupt

Hello, I am a newbie to nxp and embedded programming in general. I have a lpc2378 with the mcb2300 dev board. I need to find out how to get gpio interrupts working. I can ge...

about GPIO interrupt

i am using GPIO interrupt of LPC2378. how can i jump to interrupt routine. i have enabled interrupt usingIO0_INT_EN_R=1;second thing, interrupt flag is set only for slow GPIO pin c...

Gpio Problem   [3 Articles]

Hello, This is my configuration PINSEL0= 0x00; // P0 come gpio IODIR0 = 0x001C1800; // P0_11, P0_18, P0_19,P0_20, output but the pin P0_11 non work as GPIO w...

LPC2292: GPIO-output on P3.29 possible ???   [3 Articles]

I want to use P3.29 (Pin 27, P3.29/BLS2/AIN6) as GPIO (output) The manual says it can be done by setting Bit 6 of PINSEL2 to zero. my testcode: PINSEL2 &= 0xffffffbf...

How can I control GPIO port2/3?   [4 Articles]

Hi, Dear all I'm using a LPC2214 in my project. and have released P2.31:8 as a GPIO but P2.7:0 as an external memory data bus. Strangely, I can't control the...

Re: lpc2378 GPIO Interrupt

Hello, > I am a newbie to nxp and embedded programming in general. I have a > lpc2378 with the mcb2300 dev board. I need to find out how to get gpio > interrupts working. I ...

Question about JTAG pins as GPIO on LPC2148   [5 Articles]

Hello All, im designing a weather datalogger using LPC2148 and i ran out of available GPIO pins to accomplish all the functions i need ( unless i use the JTAG pins as GPIO ). ...

Using P1.0 and P1.1 on 2214 as GPIO

Is is possible to use P1.0 and P1.1 as GPIO on the 2214? I've tried setting PINSEL2 to 4 (all GPIO except JTAG) but am unable to read the state of these pins or to toggle these ...

port problem   [4 Articles]

Hi all, This is a very funny problem but I am not being able to correct it. The GPIO port P0.18 in LPC 2103 is not giving a logic high even when I set it using both as FIO an...

P0.2 & P0.3 problems   [5 Articles]

Hi, I want to use P0.2 (SCL) & P0.3 (SDA) as GPIO, and are using the following code; PINSEL0 = 0x00000005; PINSEL1 = 0; IODIR = 0xFFFFFFFF; IOSET...

TD1(pin 22) on LPC2292/LPC2294 as GPIO   [8 Articles]

Hi. I want to use TD1 pin on LPC2292/LPC2294 as output, but in manual is not ports to GPIO. Is possible to use TD1 as GPIO ? If yes, how it make it ? Thx. ...

about Clock of GPIO of LPC2378   [3 Articles]

from where can i know,at what speed slow and fast GPIO is operating. what is the difference between slow and fast GPIO. Connect with friends all over the world. Get Yahoo! I...

LPC2212 using ADC pin as GPIO

Hi Chaps, Is there any simple way to read this pin as GPIO input pin rather than reading the state of this pin via ADC etc... Many Thanks Harish ...

GPIO - Pins   [10 Articles]

Could it be, that i have to pull-up all gpio-pins, i want use? I have a pull-down on a gpio-pin, because the wire is normally on low, but the wire is never on a ...

Problem about GPIO of P0.2 and P0.3 of LPC2119   [5 Articles]

Why i cannot use both P0.2 and P0.3 as the GPIO, are there any special setting for those two pin ? ...

LPC2368 and GPIO wake up seems to be broken in hardware...   [3 Articles]

Hi folks. Already for several hours, I am trying to use GPIO interrupts (in this case special for P0.18) to wake up the CPU. Ok the setup is pretty easy: // react on falling...

Re: proble using MCB2100 with lpc 2129   [2 Articles]

--- In , "tengbat1980" wrote: > When I use the MCB2100,i found i cant make the Switch 2 working. > I couldn't find the memory address,and When...

LPC1766 Example Code does not run (Keil V3.50)   [5 Articles]

Hi: For those of you that got your sample of the LPC1766.... I installed my sample on a board and tried to run the Blinky example provided by Keil for the LPC1766. The pro...

GPIO P0.3 problem   [4 Articles]

I am trying to use P0.3 as a GPIO, but it doesn't seem to be working. I define the bit as: #define ADC_CS (1 << 3) but it doesn't work. If I change it to: #define ADC_CS...

LPC2148 PORT1 GPIO yet?, is there a new LPC2148.h?   [3 Articles]

Hi, I have been through searching about how to use PORT1 on the LPC2148 for GPIO, but does anyone know if there are any updates to the LPC2148.h file to include it's registers? ...

Re: LPC2114/2124 pin select usage   [2 Articles]

Thank you, I feel somewhat better hearing this. What bothered me is looking at PINSEL0 and PINSEL1 registers. When the bits are set to 00, I see pins are pretty m...

Re: HI SPEED CONTROLLER

I am new to ARM in general and I have recently started development using the LPC2138/01 from NXP. I actually haven't done research into other ARM chips, as I inherited a design...

[LPC2378] Wake up from power down mode with GPIO interrupt   [2 Articles]

Hi, I'm using the LPC2378 on a design where low power consumption is very important. We put the MCU (LPC2378) into power down mode and we expect it will wake up from power down ...

LPC2138 GPIO   [9 Articles]

Hi, Does the LPC2138 P0.10 pin have special electrical specs.? When configured as GPIO, it goes to only 2V when in logic '1' output, no load. Tried with 2 differen...

GPIO Current Drives   [3 Articles]

What is the current drive capability on the pins when configured to GPIO outputs? Barry ...

lpc2148-Reading bits from io pin   [2 Articles]

Hi! I am using an ADC MCP3550 which gives 24 bit serial output. This I want to read from a GPIO pin and save in a variable. How do I do that? I am also using GPIO pins to issue ch...

Simple GPIO not working in Port2

I'm having a hard time trying to use Port 2 as GPIO in LPC2378. My program works fine the other ports 1, 3 and 4, but when I change it to Port 2 it just doesn't work. Do I need t...

lpc2106 GPIO   [2 Articles]

Hi, i need to know whether all gpio pins in lpc2106 have 5v tolerance level? can any one help me wit this? thanks in advance... Regards P.Hemanandharamesh -----------...

GPIO on LPC24XX with IAR EWB   [4 Articles]

Hi! Acording to the LPC24XX manual clear/set of GPIO registers allow a single instruction but when I look at the resulting assembler code there are several instruction. How do I...

about GPIO interrupt.   [5 Articles]

Today when i am reading the user manual of LPC23xx for LPC2378. i have found that we can generate interrupt on GPIO 0 and 2 ports. But i have not found any VICVectAddr crossponding...

=?ISO-8859-2?Q?Re: Re: [LPC2378] Wake up from power down mode with GPIO interrup=   [2 Articles]

a...@vp.pl napisa³: > Z...@s3group.com napisa³: > > Hi, > > > > I'm using the LPC2378 on a design where low power consumption is very important. We put the MCU (LPC2378) into ...

Emulating SPI interface on GPIO   [2 Articles]

Hello all, I've got an odd and unusual problem. Unfortunately I'm not able to use SPI0 and SSP serial SPI interfaces on my LPC2131's evaluation board. Instead of this I've ...