Notes
pin configuraton contn.
Content of the notes (1)
Page 1
pin 29- this is PSEN pin which stands for program store enable pin. it is used to read a signal from the external program memory.
pin 31- this is a EA pin which stands for external access input. it is used to enable or disable the external memory interfacing.
pin 30- This is ALE pin which stands for ADDRESS LATCH ENABLE. it is use to demultiplex the address data signal of the port.
pin 32-39- these pins are known as port0. it serves as i/p port. lower order address and data bus signals are multiplexed using this port.
pin 40- this pin is used to provide power supply to the circuit.
Information
- Description
- Note on pin configuraton contn., created by ATHILA A M on 25/09/2021.
- Created by
- ATHILA A M
- Views
- 0
- Rating