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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...

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 ...

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...

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 ...

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 ? ...

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...

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...

=?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 ...

LPC2xxx GPIO Outputs Born LOW   [10 Articles]

I was surprised to discover that GPIO pins, just after they're configured as outputs, default LOW (the opposite state of its startup high-impedance input mode)...

LPC2103 cycle counting   [2 Articles]

Hello, Up until now I had no need to count cycles, but now I'm writing a driver th= at must complete a certain task quickly. All code will be loaded into SRAM= and registe...

LPC2119 GPIO 5V tolerance

Hi, we have build a system with the LPC2119, where we connect a 5V Signal to a GPIO. Now when the system starts, the 5V is present a little bit earlier than the 3....

Delay Due to LPC2119 GPIO response

Hello readers, I have connected the LPC2119 GPIO to PC paralel port. I could able to send message (10 bytes) to LPC2119 in 0.2 msec. But after sometime means after sendin...

Interrupt on GPIO?   [3 Articles]

I'm new to the LPC210x, just looking at what it can do. Couldn't find in the docs an ability to get interrupts on GPIO pins -- unlike, for example, the MSP430 of Stellaris famili...

GPIO interrupt   [9 Articles]

I am trying to use a rising edge GPIO interrupt for KEY PAD interfacing on P2.0 to p2.5. I setup the pin as an input PINMODE4 = 0x00000AAA; I also setup the IO2_INT_EN_R ...

Re: LPC( 288x ) External memory bank access   [2 Articles]

Hi Paul, ----- Original Message ----- From: "Paul Curtis" To: Sent: Thursday, May 22, 2008 1:51 PM Subject: RE: [lpc2000] LPC( 288x ) External memory bank access > ...

Re: LPC214x as an SD device controller

> On the other hand would it be possible to use the LPC214x as an SD > device controller implementing SPI, 1-bit and 4-bit SD data transfer > modes as they are defined in th...

LPC2364 GPIO Interrupt Problem   [4 Articles]

Hello all, I am trying to use a falling edge GPIO interrupt on P0.11. I setup the pin as an input and have tested it as such and it seems to work fine. PINSEL0 &= 0xFF3F...