8051 interfacing with external Ram and ROM in Proteus

8051 interfacing with external Ram and ROM in Proteus

Proteus simulation
8051 interfacing with external Ram and ROM, Proteus simulation
8051 interfacing with external Ram and ROM circuit diagram

8051 interfacing with external Ram and ROM in Proteus

In this article we will learn how to Interfacing 8051 interfacing with external Ram and ROM in Proteus.

In the last post we will learn how to interfacing DS18b20 Temperature sensor with 8051 microcontroller in proteus. You can visit our website,
I hope you appreciate my work, let’s discuss about today’s project.

 

 

 

Components:

  1. IC (8051)
  2. IC (27128)
  3. IC (5225S)
  4. Volt meter
  5. Resistors (330, 47k, 10k, )
  6. Capacitor (33p)
  7. Crystal (11.0MHz)
  8. Dido (4007)
  9. LED
  10. Jumper wires

Construction…

  • Connect pin 11 of (27128) IC with D0 pin of (5225S) IC
  • Connect pin 12 of (27128) IC with D1 pin of (5225S) IC
  • Connect pin 13 of (27128) IC with D2 pin of (5225S) IC
  • Connect pin 15 of (27128) IC with D3 pin of (5225S) IC
  • Connect pin 16 of (27128) IC with D4 pin of (5225S) IC
  • Connect pin 17 of (27128) IC with D5 pin of (5225S) IC
  • Connect pin 18 of (27128) IC with D6 pin of (5225S) IC
  • Connect pin 19 of (27128) IC with D7 pin of (5225S) IC
  • Connect pin 31 of 8051 with VCC pin of Virtual terminal
  • Connect pin 10 of 8051 with RXD pin of virtual terminal
  • Connect pin 11 of 8051 with TXD of virtual terminal
  • Connect pin 18 of 8051 with one side of capacitor 33p through the one side of crystal
  • Connect 2nd side of capacitor with one side of 2nd capacitor and then connect them with GND
  • Connect the pin 19 of 8051 with 2nd side of crystal through the 2nd side of 2nd capacitor
  • Connect pin 9 of 8051 with VCC
  • Connect pin 6 of 8051 with one side of Diod
  • Connect pin 5 of 8051 with one side of 2nd Diod
  • Connect 2nd side of 1st Diod with one side of Resistor 47k through –ve side of LED
  • Connect +ve side of LED with one side of resistor 330
  • Connect 2nd side of 330 R and 47K with +5V
  • Connect 2nd side of 47k with one signal pin of transistor through one side of resistor 10k
8051 interfacing with external Ram and ROM in Proteus
8051 interfacing with external Ram and ROM circuit diagram

Working…

Interfacing an 8051 microcontroller with external RAM and ROM is a common task in embedded systems design. The 8051 microcontroller is a popular 8-bit microcontroller with limited built-in memory, so adding external memory components can significantly expand its capabilities.

Applications…

  1. Embedded Systems
  2. Industrial Control Systems
  3. Home Automation
  4. Medical Devices
  5. Communication Devices

Advantages…

  1. Increased Memory Capacity
  2. Enhanced Program Storage
  3. Data Storage
  4. Easy Code Development
  5. Faster Execution