Description : Describe power down mode and ideal mode of 8051 with circuit diagram . which SFR is used to set these modes and draw the same.
Last Answer : IDLE MODE In the Idle mode, the internal clock signal is gated off to the CPU, but not to the Interrupt, Timer and Serial Port functions. The CPU status is preserved in its entirety, the Stack Pointer, ... t change on chip RAM PCON (Power Control Register) SFR is used to set these modes.