May 2024
Intermediate to advanced
665 pages
23h 2m
English
book
The X86 Microprocessors: Architecture and Programming (8086 to Pentium), 1st Edition
by Lyla B. Das
Content preview from The X86 Microprocessors: Architecture and Programming (8086 to Pentium), 1st Edition
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PERIPHERAL INTERFACING – III 413
Example 11.4
Next, we will connect two microprocessor kits serially and perform transmission and reception.
e transmission through one kit will be through its RS-232 cable and reception by the other
cable will also be similar. Both the kits are clocked from the same source.
Solution
e sequence should be such that the receiver program is run fi rst. e receiver then is in a
loop waiting for a start bit to be received. en run the transmitter program. When the receiver
senses the start bit, it starts reception and saves the received character string in memory.
TRANSMITTER PROGRAM
DATR EQU 0C0H
CSR EQU ...
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