P0071 Terasic Technologies Inc, P0071 Datasheet - Page 97
![no-image](/images/manufacturer_photos/0/6/659/terasic_technologies_inc_sml.jpg)
P0071
Manufacturer Part Number
P0071
Description
TPAD MULTIMEDIADEVELOPMENT KIT
Manufacturer
Terasic Technologies Inc
Series
tPAD, Cyclone®IVr
Specifications of P0071
Main Purpose
Reference Design, Tablet
Embedded
Yes, FPGA / CPLD
Utilized Ic / Part
EP4CE115
Primary Attributes
8-Inch TFT LCD, LED Backlight
Secondary Attributes
5-Megapixel Digital Image Sensor
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Figure 6-17
6
In this demonstration, the key-related information that the user has pressed on the remote
controller(Figure 6-18,Table
point the remote controller to the IR receiver on DE2-115 board and press the key. After the signal
being decoded and processed through FPGA, the related information will be displayed on the
7-segment displays in hexadecimal format, which contains Custom Code, Key Code and Inversed
Key Code. The Custom Code and Key Code are used to identify a remote controller and key on the
remote controller, respectively.
Next we will introduce how this information being decoded and then displayed in this demo.
When a key on the remote controller is pressed, the remote controller will emit a standard frame,
shown in
is the key-related information, and the last 1 bit end code represents the end of the frame.
HEX0
HEX1
HEX2
HEX3
6
.
.
9
9
I
I
R
R
Figure
R
R
illustrates the setup of this demonstration.
e
e
c
c
6-19. The beginning of the frame is the lead code represents the start bit, and then
e
e
i
i
v
v
Figure 6-17 The setup of the PS/2 Mouse demonstration
e
e
r
r
Low byte of X displacement
High byte of X displacement
Low byte of Y displacement
High byte of Y displacement
D
D
e
e
m
6-3) will be displayed on the DE2-115 board. Users only need to
m
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o
n
n
s
s
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t
r
r
a
a
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96
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