# PYNQ Library PWM for Kv260

**URL:** https://discuss.pynq.io/t/pynq-library-pwm-for-kv260/5397
**Category:** Support
**Created:** [March 23, 2023, 9:17am UTC](https://discuss.pynq.io/t/pynq-library-pwm-for-kv260/5397 "2023-03-23T09:17:55Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Jason890102](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.pynq.io/jason890102/32/4423_2.png) [@Jason890102](https://discuss.pynq.io/u/Jason890102)
#### Post date: [March 23, 2023, 9:17am UTC](https://discuss.pynq.io/t/pynq-library-pwm-for-kv260/5397/1 "2023-03-23T09:17:55Z")

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Hi, I use Pmod\_PWM in pynq.library, set the period to 10us, but the oscilloscope shows 10\*2/3=6.7us, set the period to 20us, the display is 13.4us, I would like to ask is this normal? Or me What details are overlooked?

![F0010TEK](https://us1.discourse-cdn.com/flex019/uploads/pynq1/original/2X/6/640200c0a8b877e023f356ae2143606d842b9eec.jpeg)