MICROPROCESSOR AND MICROCONTROLLER

Detailed explanation-1: -Pin 40 of Intel 8085 is the Vcc pin. It should be connected to +5 V DC power supply. Pin 20 of 8085 is the Vss pin.

Detailed explanation-2: -Explanation: In 14 pin DIP packages, pin 7 is usually connected to ground (Gnd), and pin 14 is usually1 connected to the 5V power supply (Vcc).

Detailed explanation-3: -The Vcc pin is used to give input supply to Wi-Fi module. TXD and RXD pins acts as Transmitter and Receiver pin of the switches in the switch can Transmits a data to other device via TXD and receives a signal from the same device via TXD. Other pins are used to connect the external devices like relays, LED’s etc.

Detailed explanation-4: -This Pin also gives program pulse input during programming of EPROM. Pin 31 (EA): If we have to use multiple memories then the application of logic 1 to this pin instructs the Microcontroller to read data from both memories: first internal and then external. Pin40 (VCC): This VCC pin is used for power supply.