Engineering > QUESTIONS & ANSWERS > Devry University - ECET 340: Final Review. Questions and Answers. (All)
Devry University - ECET 340: Final Review. Questions and Answers. Question : (TCO 1) A 4 x 5 keypad consists of Student Answer: 4 columns and 5 rows. 9 SPST switches. 20 S... PST Normally Closed switches. Question 2 . Question : (TCO 1) The first command in the LCD initialization sequence is Student Answer: Data = 0x30, CSB = 0, E = ↓, RS = 1, R/W~ = 0. Data = 0x30, CSB = 0, E = ↓, RS = 0, R/W~ = 1. Data = 0x30, CSB = 0, E = ↑, RS = 0, R/W~ = 0. Question 6 . Question : (TCO 2) For the 9S12G128 microcontroller, the highest priority interrupt has an interrupt vector table address of . Student Answer: 0xFF80 0xFFF8 0x0000 Question 7 . Question : (TCO 2) For using the RTI in the 9S12G128 microcontroller, the interrupt service routine function is “interrupt ( isrRTI(void)”. What is the missing value? Student Answer: ( (0x10000 – 0xFFF0) – 1 ) 8 0xFFF0 )void Question 8 . Question : (TCO 2) If a peripheral interrupt is activated while the 9S12G128 is executing an instruction in the main program, then where is the address of the instruction next in line to be executed when the CPU returns back from the ISR stored while servicing the ISR? [Show More]
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