Program status word PSW register in 8051 microcontroller | Bit structure and flags

Описание: Flags are single bit register and used to store the result of certain function after executing instruction. Flags are grouped inside PSW and PCON registers.
PSW register in 8051 microcontroller contains math flags and PCON contains general user flags.
Math flags are grouped in PSW of microcontroller 8051 and they are Carry(C), Auxiliary Carry (AC), Over flow (OV), and Parity (P).
The general user flags are GF0 and GF1 which are grouped in PCON register.
The PSW is accessible fully as an 8-bit register, with the address D0H.


Reference videos:
1. Features:    • Features of 8051 Microcontroller | Microco...  
2. 8051 Family:    • What is 8051 Microcontroller family | Fami...  
3. Architecture:    • Architecture of 8051 microcontroller | 805...  
4. Pin Diagram:    • Pin diagram and description of 8051 microc...  
5. Ports structure:    • Port structure of 8051 | Structure of Port...  
6. Port Functions:    • Functions of each port in 8051 microcontro...  
7. Memory organization:    • Memory organization of 8051 | Data memory ...  
8. General purpose registers:    • General purpose registers in 8051 microcon...  


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