Unit 3 L10.1 | 8255 Pin Diagram | Pin Configuration of 8255 | PPI (Programmable Peripheral Interface

[@Pandey-bcp160]

Thank you so much for explaining such a easy way 😊😊

[@srijanisallyouneed]

#Question : *Write programs in both I/O mapped I/O and memory mapped I/O techniques to perform*
the following operations in BSR mode of 8255:
i) Reset bit 6 of port C
ii) Set bit 4 of port C
Assume that the address of CWR for I/O mapped I/O and the memory mapped I/O are 83 H
and 8003 H, respectively.

[@vortex-rg7yf]

amazing lecture thank you so much ma'am

[@TechnoTutorials2783]

Thanks

[@srijanisallyouneed]

Playlist me L5 ke 1.7 ke baad direct L2.1 aa raha hey...is there anything missing??😢
*Please clarify if anyone knows*

[@TechnoTutorials2783]

May I know
Which playlist u r referring
Microprocessors KCS403: th-cam.com/play/PLU-faXGCDVRJScT_oceYo_MflSgScPQoD.html

[@tarunchauhan2339]

is there any proper way of arranging port A,B,C or we can done randomly

[@TechnoTutorials2783]

This is predefined
U can't take randomly

[@deepanshuaggarwal8895]

what is the difference between port (a,b,c) & d (data bus)

[@TechnoTutorials2783]

Port a combine with Port c upper and this group can be used as input or output Port in same way Port c lower combined with Port b and.this group is known as group b and can be used either input Port or output Port
And data bus is connected with the data bus of MPU for data transfer

[@manavinfluencer790]

mam unit 5 covered by you is enough for end sem exam ??

[@TechnoTutorials2783]

Yes
Is any topic left
Let me know

[@rahulmaurya6451]

mam,, 8237 DMA pr bhi video bna digiye

[@TechnoTutorials2783]

Yes I.will try as soon as possible

[@rahulmaurya6451]

@@TechnoTutorials2783 thanku mam 🙏,, and apne bola tha unit 1 me kch topics reh rhe h.. uspr bhi bna digiyega

[@TechnoTutorials2783]

@@rahulmaurya6451 only one topic left
Devices for interfacing

[@rahulmaurya6451]

@@TechnoTutorials2783 ok mam

[@pankajvishwakarma3377]

Thanks mam