Write the required code that converts packed BCD number Pack BCD (29H) to ASCII number. Store the result in registers R4:R3 Given five inputs (a, b, c, d, e) connected to 8051's port P and P, with : P10 = a, P30 = b, P13 = c, P33 = det P14 = e. Outputs So and Sj are connected to P39 and P; 1 respectively as shown in the figure below. We propose to realize the following logic functions. So = abt cd+ e.(ab+ab) Si = G5+d+gak 1. Using 8051 boolean instructions, write subroutines for So and S1. 2. Based on the given flowchart, write the main program for the polling of port P.

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4. Write the required code that converts packed BCD number Pack BCD (29H) to ASCII number. Store the result
in registers R4:R3
5. Given five inputs (a, b, c, d, e) connected to 8051's port P, and P, with: P10 = a, P20 = b, P13 = c, P27 = d et
P16 = e. Outputs So and Si are connected to P3,0 and P31 respectively as shown in the figure below. We propose
to realize the following logic functions.
a.b+ Cd+ e.(a-&+a.b)
Si = GE+d+gak
S =
ww
1. Using 8051 boolean instructions, write subroutines for So and S1-
2. Based on the given flowchart, write the main program for the polling of port P.
Transcribed Image Text:4. Write the required code that converts packed BCD number Pack BCD (29H) to ASCII number. Store the result in registers R4:R3 5. Given five inputs (a, b, c, d, e) connected to 8051's port P, and P, with: P10 = a, P20 = b, P13 = c, P27 = d et P16 = e. Outputs So and Si are connected to P3,0 and P31 respectively as shown in the figure below. We propose to realize the following logic functions. a.b+ Cd+ e.(a-&+a.b) Si = GE+d+gak S = ww 1. Using 8051 boolean instructions, write subroutines for So and S1- 2. Based on the given flowchart, write the main program for the polling of port P.
Start
8051
P3,7
read PORTS
DO
Pl and P2
D7
P3.0
P1 XOR P2
P1.7
WR
RD
P1.0
Result=0?
no
yes
P2.7
P2.0
P30 = So
P31 = S,
Switches| IN PORT
Transcribed Image Text:Start 8051 P3,7 read PORTS DO Pl and P2 D7 P3.0 P1 XOR P2 P1.7 WR RD P1.0 Result=0? no yes P2.7 P2.0 P30 = So P31 = S, Switches| IN PORT
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