Pins Description of Microprocessor 8085 || Lecture 09 || S0,S1,IO/M, WR, RD, HOLD,HLDA pin functions
Description of pins in 8085 microprocessor, S0, S1 pins, IO/M bar pin, RD bar pin, WR bar pin, HOLD pin, HLDA pin
S0,S1 - Status signal pins for microprocessor 8085
IO/M bar - Status signal pins Input output devices or memory in microprocessor 8085
RD bar- Read pin for Input output devices or memory in microprocessor 8085
WR bar - Write pin for Input output devices or memory in microprocessor 8085
HOLD- HOLD for DMA controller
HLDA-HOLD acknowledgement
DMA means Direct memory access
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#Direct_memory_access #Status_signal #Microprocessor_8085
Lecture By: Rashmi P.