- Q3 A Figure Q3a Shows An Interfacing Circuit Using The 8255 In Mode 1 5v 3302 5v Okto Ka Data Bus From 8085 Mpu Paz P 1 (84.54 KiB) Viewed 16 times
Q3. a) Figure Q3a shows an interfacing circuit using the 8255 in Mode 1. 5V 3302 5V OKTO KA DATA BUS FROM 8085 MPU PAZ P
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answerhappygod
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Q3. a) Figure Q3a shows an interfacing circuit using the 8255 in Mode 1. 5V 3302 5V OKTO KA DATA BUS FROM 8085 MPU PAZ P
Q3. a) Figure Q3a shows an interfacing circuit using the 8255 in Mode 1. 5V 3302 5V OKTO KA DATA BUS FROM 8085 MPU PAZ PAB PA5 PA4 PA3 D4 PORTA O K5 -0. K4 0 0 KO 0 PA2 5V DO PA1 P10 ABCDEFGH H01 S255 A7 AB P97 A5 PORT 6 Pва PB5 PB4 PB3 PB2 P31 РВО AD A1 IOR IOW RESET OUT A3 A2 74245 DRIVER 3302 5V Figure. Q3a [4 Marks) Identify: (1) the port addresses by initializing the decoder logic. (ii) the control word to set up port A and port B. [2 Marks] Outline the initialization program for the interfacing circuit shown in Figure Q3a. [4 Marks]