Arithmetic Instructions in 8051: The Arithmetic Instructions in 8051 of Basic Assembly Language Programming are ADD, ADDC, SUBB and DA The ADD instruction adds a byte variable with the accumulator,…
8051 Interrupts: The 8051 Interrupts provides 5 interrupt sources. The 8052 provides 6. These are shown in Fig. 12.28. The external Interrupts INT0 and INT1 can each- be either level-activated…
Serial Communication Interface in Microprocessor: The Serial Communication Interface in Microprocessor is full duplex, meaning it can transmit and receive simultaneously. It is also receive-buffered, meaning it can commence reception…
Intel 8051 Architecture and 8031 Architecture: Fig. 12.2 shows the Intel 8051 Architecture and 8031 Architecture. It consists of a Central Processing Unit, two kinds of memory (data RAM plus…
Exceptions Types of Motorola 68000: Exception means an interrupt processing. Like 8086, Exceptions Types of Motorola 68000 also uses a jump vector table to transfer program control to the appropriate…
Motorola 68000 Pins and Signals: Fig. 11.3 illustrates the Motorola 68000 Pins and Signals. Data Transfer Control and Address Lines: D0-D15 is the bi-directional 16-bit data bus. A1-A23Â is the output…
Minimum Mode Configuration of 8086: Pin definitions from 24 to 31 are different for minimum mode and maximum mode. By using these pins the 8086 itself generates all bus control…
8086 Interrupt Types: The 8086 Interrupt Types are Dedicated Interrupts: Type 0 : Divide by Zero Interrupt When the quotient from either a DIV or IDIV instruction is too large to…