Which of these are basic component of 8051 micro controller?
Table of Contents
- 1 Which of these are basic component of 8051 micro controller?
- 2 What are the features of micro controller 8051?
- 3 What are the flags supported by 8051 controller?
- 4 How many pins are there in 8051 microcontroller?
- 5 What are the element should be present in micro controller?
- 6 What is pin number 31 in 8051 microcontroller?
Which of these are basic component of 8051 micro controller?
An 8051 microcontroller has the following 12 major components:
- ALU (Arithmetic and Logic Unit)
- PC (Program Counter)
- Registers.
- Timers and counters.
- Internal RAM and ROM.
- Four general purpose parallel input/output ports.
- Interrupt control logic with five sources of interrupt.
- Serial date communication.
What are the features of micro controller 8051?
Comparison between 8051 Family Members
| Feature | 8051 | 8052 |
|---|---|---|
| ROM(bytes) | 4K | 8K |
| RAM(bytes) | 128 | 256 |
| Timers | 2 | 3 |
| I/O pins | 32 | 32 |
How does a micro controller work?
Microcontrollers can take inputs from the device they controlling and retain control by sending the device signals to different parts of the device. A good example is a TV’s microcontroller. It takes input from a remote control and delivers its output on the TV screen.
What are the flags supported by 8051 controller?
8051 Flag Bits and PSW Register
| CY | PSW.7 | Carry Flag |
|---|---|---|
| RS0 | PSW.3 | Register Bank selector bit 0 |
| OV | PSW.2 | Overflow Flag |
| – | PSW.1 | User definable FLAG |
| P | PSW.0 | Parity FLAG. Set/ cleared by hardware during instruction cycle to indicate even/odd number of 1 bit in accumulator. |
How many pins are there in 8051 microcontroller?
40 pins
8051 microcontroller was designed by Intel in 1981. It is an 8-bit microcontroller. It is built with 40 pins DIP (dual inline package), 4kb of ROM storage and 128 bytes of RAM storage, 2 16-bit timers.
What are the application of micro controller in IoT?
Microcontrollers use network interfaces to interact with other devices locally and to push the data to the IoT application for any analysis. Moreover, they are designed to support one or many network protocols like Wifi, Bluetooth, Cellular networks like 2G/3G or even RFID.
What are the element should be present in micro controller?
The Elements of a Microcontroller. A microcontroller consists of a central processing unit (CPU), nonvolatile memory, volatile memory, peripherals, and support circuitry.
What is pin number 31 in 8051 microcontroller?
Pin 31 − This is ALE pin which stands for Address Latch Enable. It is used to demultiplex the address-data signal of port.