# Practical project specifications of hard real-time system

**URL:** <https://forums.freertos.org/t/practical-project-specifications-of-hard-real-time-system/14187>\
**Category:** Kernel\
**Created:** [January 10, 2022, 8:04pm UTC](https://forums.freertos.org/t/practical-project-specifications-of-hard-real-time-system/14187 "2022-01-10T20:04:54Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![richard-damon](https://d3iykfbgfh8zhg.cloudfront.net/user_avatar/forums.freertos.org/richard-damon/32/38_2.png) [@richard-damon](https://forums.freertos.org/u/richard-damon)\
**Post date:** [January 19, 2022, 1:05pm UTC](https://forums.freertos.org/t/practical-project-specifications-of-hard-real-time-system/14187/21 "2022-01-19T13:05:48Z")

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A processor that limited is likely not able to do a lot for this sort of situation. At 640 x 480 black and white resolution, one line of the screen has 80 bytes even with only 1 bit per pixel, which is more than the processor you mentioned.

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**Author:** ![skyr](https://avatars.discourse-cdn.com/v4/letter/s/54ee81/32.png) [@skyr](https://forums.freertos.org/u/skyr)\
**Post date:** [January 20, 2022, 3:42am UTC](https://forums.freertos.org/t/practical-project-specifications-of-hard-real-time-system/14187/22 "2022-01-20T03:42:08Z")

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> [@richard-damon](#):
>
> At 640 x 480 black and white resolution, one line of the screen has 80 bytes even with only 1 bit per pixel,

Memory specification is given in that link’s page. I don’t know how he’s doing with 68 bytes

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