MCUXpresso GeneralのトピックDoubt regarding Timer in LPC804 Microcontroller

Doubt regarding Timer in LPC804 Microcontroller

VIGNESH_BABU — Mon, 26 Jun 2023 06:25:45 GMT

Hi,

I was worked in the development Board of LPC804 Micro controller.Where I have a confusion regarding how much of timers can we used in the LPC804 Microcontroller.

Below I was attached the images of user manual of LPC804 where they mentioned the one General purpose timer.

Next image denoted that in software where they mentioned 5 Timer Handler function.So please kindly

clear my confusion?

User manual of LPC804

Timer_Handler_Functoin

Re: Doubt regarding Timer in LPC804 Microcontroller

ZhangJennie — Mon, 26 Jun 2023 12:02:34 GMT

Hi VIGNESH_BABU

LPC804 only has one 32bit CTIMER.

Where is your code from? Is that NXP SDK demo code?

Thanks,

Jun Zhang

Re: Doubt regarding Timer in LPC804 Microcontroller

VIGNESH_BABU — Mon, 26 Jun 2023 12:32:52 GMT

Yes SDK example code for Timer.

Re: Doubt regarding Timer in LPC804 Microcontroller

ZhangJennie — Tue, 27 Jun 2023 05:14:15 GMT

Please send me the SDK version and demo full name. I will check,

Re: Doubt regarding Timer in LPC804 Microcontroller

VIGNESH_BABU — Tue, 27 Jun 2023 07:24:34 GMT

Here we attached the project file of SDK example of Timer in LPC804 Microcontroller.And I have one doubt regarding Timer.where I was unable to generate the time up-to 1 microsecond.Timer can generate up-to 300 microsecond.If I was gone above I was unable to get that time.Here I was attached the Images of DO(Digital Oscilloscope)

.Timer for 1 SecondTimer for 1 milisecondTimer for 300 microsecond

Re: Doubt regarding Timer in LPC804 Microcontroller

ZhangJennie — Fri, 30 Jun 2023 12:53:35 GMT

Please let me know your demo code package download link and path. SDK version.

I will test the orinial code. Thanks.

Re: Doubt regarding Timer in LPC804 Microcontroller

VIGNESH_BABU — Sat, 01 Jul 2023 03:59:12 GMT

Thank you for your support