Ask
Login
0
2.9kviews
Draw internal RAM organisation of 89C51 microcontroller. Explain register banks in it.
written 5.8 years ago by gravatar for teamques10 teamques10 ★ 67k •   modified 4.4 years ago
embedded systems
ADD COMMENT EDIT
1 Answer
0
50views
written 5.8 years ago by gravatar for teamques10 teamques10 ★ 67k •   modified 5.8 years ago

enter image description here

  • The 89c51 has 128 byte internal RAM and divided into 3 parts/area.

In first part :

  • 32 bytes from addresses 00H to 1FH i.e. 32 registers organised in 4 banks. Each bank contains 8 registers (each of 8 bit) and available at each address.

  • Registers are named as:

Bank 0 …

Create a free account to keep reading this post.

and 2 others joined a min ago.

ADD COMMENT EDIT
Please log in to add an answer.