Q): For the circuit in Figure. write a sequence of instruction to poll switch at 16 of 74F244 that is connected to port 7. Include in the solution the steps required to get the address for the port 7 before writing polling instruction. 0306 INST WR ALE AD-AD MIO CTR DEN RO AD AD- CLK (21 G Add leth DE Tarecever (bi-directional) DR A 4₂ ₂ A₂ Demultiplexing C 747133 Input Output Addren 0-0 Decoder 0-0- CLK 7AF 374 Cuput Patt Lath DE 74F244 Input Pot Bufer Latch or buffer LED 0. Voc Drug M-KH Voc Input/output

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Q): For the circuit in Figure. write a sequence of instruction to poll
switch at 16 of 74F244 that is connected to port 7. Include in the solution
the steps required to get the address for the port 7 before writing polling instruction.
0286
UN ACK
19
ALE
AD-AD
MO
DEN
RO
AD AD-
CLK
747373
A3291
leth
G
747245
Data but
Tarecever
bi-drections)
DR
18
Ata
Au
4
Demultiplexing
A₂
A
B
C
747131
Input Output F₁
Addren
decoder
0,0
P₁
Decoder
0-0-
CLK
74F374
Cuput
Patt
DE
74F244
Input
Pot
Bufer
Latch or buffer
LED
Voc
Vbc
Input/output
Transcribed Image Text:Q): For the circuit in Figure. write a sequence of instruction to poll switch at 16 of 74F244 that is connected to port 7. Include in the solution the steps required to get the address for the port 7 before writing polling instruction. 0286 UN ACK 19 ALE AD-AD MO DEN RO AD AD- CLK 747373 A3291 leth G 747245 Data but Tarecever bi-drections) DR 18 Ata Au 4 Demultiplexing A₂ A B C 747131 Input Output F₁ Addren decoder 0,0 P₁ Decoder 0-0- CLK 74F374 Cuput Patt DE 74F244 Input Pot Bufer Latch or buffer LED Voc Vbc Input/output
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