WebElectronics Hub - Tech Reviews Guides & How-to Latest Trends WebJun 24, 2024 · Program Status Word Register of 8051 Microcontroller PSW Program Status Word (PSW). The PSW is an 8-bit register, its SFR memory location of D0H. PSW register is also called as... Carry Flag (C, PSW.7). After performing Addition …
8051 Microcontroller Assembly Language Programming
WebJun 2, 2024 · In 8051 micro controller there are 21 Special function registers (SFR) and this includes Register A, Register B, Processor Status Word (PSW), PCON etc. So, it required 21 unique locations for these 21 … WebMar 25, 2024 · PSW (program status word) register. The program status word (PSW) register is an 8-bit register. It is also referred to as the flag register. Although the PSW register is 8 bits wide, only 6 bits of it are used by the 8051. Carry Flag (CY) : Carry is generated when performing n bit operations and the result is more than n bits. micad information portal
Data memory structure of 8051 Microcontroller - tutorialspoint.com
WebNov 4, 2024 · To hold the count value Special Function Registers (SFR) are used. There are 21 SFRs of 8-bit in the 8051 microcontrollers. But Timer is 16-bit. Hence, we need two SFRs for each timer to hold the value, they are TH0, TL0, TH1, and TL1. Timer 0: Timer 0 is 16-bits wide which is accessed as a lower and higher byte. WebMay 9, 2024 · In this article, we will be studying the arithmetic instructions of the 8051 microcontroller. The PSW register plays a vital role in these operations as they have special flag bits to gain additional information about the results of these operations. Contents. ... The 8051 has an 8-bit architecture, so it can store an unsigned number from 0 to ... WebMar 30, 2024 · Download Solution PDF. In 8085 microprocessors, PSW stands for Program Status word. it is a 16-bit word, a combination of contents of the 8-bit flag register and the contents of an 8-bit Accumulator register. Which can be viewed by using the instructions like PUSH PSW and POP PSW. . how to catch boyfriend cheating on phone