Microcontroller 8031 and 8051 Articles

Microcontroller 8031 and 8051 Articles: 8051 Addressing Modes : The 8051 Addressing Modes architecture supports several distinct physical address spaces. On – chip program memory On – chip data memory…

Continue Reading Microcontroller 8031 and 8051 Articles

8051 Addressing Modes

8051 Addressing Modes: The 8051 Addressing Modes architecture supports several distinct physical address spaces. On - chip program memory On - chip data memory External program memory External data memory…

Continue Reading 8051 Addressing Modes

Arithmetic Instructions in 8051

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,…

Continue Reading Arithmetic Instructions in 8051

8051 Interrupts

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…

Continue Reading 8051 Interrupts

Features of 8051 Microcontroller

Features of 8051 Microcontroller: The Features of 8051 Microcontroller family are as follows. 1. Single-supply +5 volt operation using HMOS technology. 2. 4096 bytes program memory on-chip (not on 8031).…

Continue Reading Features of 8051 Microcontroller

Elemental Semiconductor Materials

Elemental Semiconductor Materials: Group IV includes five elements viz., Carbon (C), Silicon (Si), Germanium (Ge), Tin (Sn) and lead (Pb). The elements of this subgroup show marked similarity as well…

Continue Reading Elemental Semiconductor Materials