Title: ECET 340 Course Real Knowledge / ecet 340 dotcom
1ECET 340 Course Real Knowledge / ecet340.com
The Best way to predict the Future is to create
it.....To Best way....
www.ecet340.com
2ECET 340 Course Real Knowledge / ecet340.com
ECET 340 Entire Course (All ilabs and Homework)
(Devry) For more course tutorials
visit www.ecet340.com ECET 340 Week 1 HomeWork
1 ECET 340 Week 1 iLab 1 ECET 340 Week 2 HomeWork
2 ECET 340 Week 2 iLab 2 ECET 340 Week 3 HomeWork
3 ECET 340 Week 3 iLab 3 ECET 340 Week 4 HomeWork
4
3ECET 340 Course Real Knowledge / ecet340.com
ECET 340 Week 1 HomeWork 1 (Devry) For more
course tutorials visit www.ecet340.com Give three
examples each of internal and external peripheral
devices as referenced to the HCS12
microcontroller and not an entire PC. (2
points)2. Given the requirements of each
signals destination must match the capabilities
of the signals source, name some of the
electrical signal parameters that must be
considered when designing an interface between
two different hardware components. (2 points)3.
Write down the instructions needed to program
PORT A for pins PA7, PA4-PA0 as inputs and
PA6-PA5 as outputs. Answer should be a valid C
language statement. (2 points)
4ECET 340 Course Real Knowledge / ecet340.com
ECET 340 Week 1 iLab 1 (Devry) For more course
tutorials visit www.ecet340.com OBJECTIVES To
become familiar with Microcontroller MC9S12
parallel ports and how simple input and output
devices are interfaced through them. To learn how
to program I/O instructions in C language. To
learn how to organize a program to
5ECET 340 Course Real Knowledge / ecet340.com
ECET 340 Week 2 HomeWork 2 (Devry) For more
course tutorials visit www.ecet340.com 1. Where
does program control transfer to when an
interrupt occurs? 2 points 2. Which one of the
following Interrupts has highest priority? 2
points 3. RAM Vector table addresses 3E52
belongs to which interrupt? 2 points 4. Before
exiting an ISR, the programmer should use which
command? 2 points 5. In which one of the
following sequences is the stack pulled by rti?
3 points 6. Given the starting address for the
TC0 Interrupt is to become 5000. Write the
6ECET 340 Course Real Knowledge / ecet340.com
ECET 340 Week 3 HomeWork 3 (Devry) For more
course tutorials visit www.ecet340.com 1. Sketch
a circuit that can be used to debounce a
pushbutton and explain how it works. (4 points
max) 2. In Figure 7.32 on page 339 of the Huang
textbook, if the row has and the columnsare ,
which key is pressed? (2 points max) 3. In Figure
7.32 on page 339 of the Huang textbook, explain
why the 10k? resistors ties to VCC are required.
(2 points max) 4. Write down the lines of C code
(interrupt service routine, ISR) that generates
an interrupt when Port H pin 0 becomes a logic
1. Within this ISR, disable interrupts, clear
the interrupt flag, then enable interrupts, and
return from routine. I also want the routine or
lines of C code that initialize Port H pin 0 to
be used as an interrupt (hint think data
direction register) (2 points
7ECET 340 Course Real Knowledge / ecet340.com
ECET 340 Week 3 iLab 3 (Devry) For more course
tutorials visit www.ecet340.com SOLVED ECET 340
iLAB3 OBJECTIVES To learn the basic operation of
a keypad. To understand how to interface a keypad
to a microprocessor. To learn how to program a
keypad driver in C language. To learn how to
program a keypad activated int
8ECET 340 Course Real Knowledge / ecet340.com
ECET 340 Week 4 HomeWork 4 (Devry) For more
course tutorials visit www.ecet340.com 1.
Determine the conversion time for an ADC0804
(8-bit), where 66 clocks per bit are required, if
its clock frequency is 50 kHz.2. If an 8-bit
SAR has Vref 10 V, what is the binary value for
an input voltage of 7.28 V?3. What is the
percent error for the binary answer found in
Problem 2?4. Given an 24 MHz bus speed. Write
down the line(s) of instruction which set the
ATD1 unit for 2MHz conversion frequency, 10-bit
resolution and 8 A-to-D clocks per sample
time.5. A single 10-bit, left justified
conversion of 3.75V is co
9ECET 340 Course Real Knowledge / ecet340.com
ECET 340 Week 4 iLab 4 (Devry) For more course
tutorials visit www.ecet340.com I. OBJECTIVES To
learn how to use A-to-D converters to digitize
signals from analog input devices. To learn how
to write a C language program that samples the
data from an analog device, digitizes it and
formats it for output on an LCD. To become more
proficient in programming displays for real-time
operation.
10ECET 340 Course Real Knowledge / ecet340.com
ECET 340 Week 5 HomeWork 5 (Devry) For more
course tutorials visit www.ecet340.com 1.
Explain, briefly, why an analog restoring filter
is sometimes used at the output of a DAC.2.
Given Iref 2 mA for a DAC1408 IC, find Iout for
the input 1110 11103. Find the number of
discrete voltages output by a 12-bit DAC. Show
work.4. Use the internet to locate the data
sheet for an MC1408 DAC. From it find, for the
MC1408-7 version, the following
11ECET 340 Course Real Knowledge / ecet340.com
ECET 340 Week 5 iLab 5 (Devry) For more course
tutorials visit www.ecet340.com Scenario/Summary T
his week's lab covers two areas, conversion of
digital HCS12signals to an analog format, and
the use of a Serial Peripheral Interface (SPI)to
transfer data, and commands between the HCS12,
and the DACperipheral. Deliverables
12ECET 340 Course Real Knowledge / ecet340.com
ECET 340 Week 6 HomeWork 6 (Devry) For more
course tutorials visit www.ecet340.com 1. What
are the four main functions of the HC12 Timer
unit?2. Two input capture events occur at
counts 0x1037 and 0xFF20 of the free-running
counter. How many counts (in decimal) have
transpired between these two events?3. What is
the maximum time possible before the free-running
counter overflows when the e MHz?4. Two input
capture events occur at 0x1037 and 0x002A. If the
prescaler bits PR210 are set to 101 and the e
clock is 24 MHz, how much time as transpired
between
13ECET 340 Course Real Knowledge / ecet340.com
The Best way to predict the Future is to create
it.....To Best way....
www.ecet340.com