P0071 Terasic Technologies Inc, P0071 Datasheet - Page 104
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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 6-24 The Setup of the Music Synthesizer Demonstration
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This demonstration shows how to implement an audio recorder and player using the DE2-115 board
with the built-in Audio CODEC chip. This demonstration is developed based on SOPC Builder and
Nios II IDE.
Figure 6-25
shows the man-machine interface of this demonstration. Two
push-buttons and six slide switches are used for users to configure this audio system: SW0 is used
to specify recording source to be Line-in or MIC-In. SW1 is used to enable/disable MIC Boost
when the recording source is MIC-In. SW2 is used to enable/disable Zero-Cross Detection for audio
playing. SW3, SW4, and SW5 are used to specify recording sample rate as 96K, 48K, 44.1K, 32K,
or 8K. The 16x2 LCD is used to indicate the Recording/Playing status. The 7-SEG is used to
display Recording/Playing duration with time unit in 1/100 second. The LED is used to indicate the
audio signal strength.
Table 6-7
and
Table 6-8
summarize the usage of Slide switches for
configuring the audio recorder and player.
103
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