8.11 The PIC18F4321 microcontroller is required to test a NAND gate. Figure P8.1 1 shows the I/O hardware is needed to test the NAND gate. The microcontroller is to be programmed to generate the various logic conditions for the NAND inputs input the NAND output, and turn the LED ON connected at bit 3 of port D if the NAND gate chip is found to be faulty. Otherwise, turn the LED ON connected at bit 4 of port D (a)Write a PIC18F assembly language program at address 0x 100 to accomplish this. (b)Write a C language program to accomplish this +5V +5 V Bit 0 of portD Bit 1 of portD Bit 2 of portD Bit 3 of portD Bit 4 of portD 330 2 330 2 LED LED PIC18F4321 FIGURE P 8.11 (Assume that both LEDs are OFF initially.) 8.11 The PIC18F4321 microcontroller is required to test a NAND gate. Figure P8.1 1 shows the I/O hardware is needed to test the NAND gate. The microcontroller is to be programmed to generate the various logic conditions for the NAND inputs input the NAND output, and turn the LED ON connected at bit 3 of port D if the NAND gate chip is found to be faulty. Otherwise, turn the LED ON connected at bit 4 of port D (a)Write a PIC18F assembly language program at address 0x 100 to accomplish this. (b)Write a C language program to accomplish this +5V +5 V Bit 0 of portD Bit 1 of portD Bit 2 of portD Bit 3 of portD Bit 4 of portD 330 2 330 2 LED LED PIC18F4321 FIGURE P 8.11 (Assume that both LEDs are OFF initially.)