Altera DE2-115 User Manual download pdf (Page 83)

• Press KEY0 on the DE2-115 board to reset the circuit

Note: If the HSMC loopback adapter is mounted, the I2C_SCL will be directly routed back to I2C_SDA.

Because audio chip, TV decoder chip and HSMC share one I2C bus, therefore audio and video chip won’t

function correctly.

Figure 6-2 illustrates the setup for this demonstration.

Figure 6-2 The setup for the TV box demonstration

USB port is widely used in many multimedia products. The DE2-115 board provides a complete

USB solution for both host and device applications. In this demonstration, we implement a

Paintbrush application by using a USB mouse as the input device.

This demonstration uses the device port of the Cypress CY7C67200 chip and the Nios II processor

to implement a USB mouse movement detector. We also implemented a video frame buffer with a

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Altera DE2-115 User Manual Page 83