(a) Write a program to perform the following: (4) (i) Keep monitoring the P2.2 bit until it becomes low. (ii) When P2.2 becomes low, write value OH to port 0. (iii) Send a Low-to-high (L-to-H) pulse to P1.3 (b) Write a program for the DS89C420 to toggle all the bits of Pi. P2. and Pyevery half of a second (4)

1) (a) Write a program to perform the following: (4) (i) Keep monitoring the P2.2 bit until it becomes low. (ii) When P2.2 becomes low, write value OH to port 0. (iii) Send a Low-to-high (L-to-H) pulse to P1.3 (b) Write a program for the DS89C420 to toggle all the bits of PI. P2. and Py every half of

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