Specifications

Chapter 1: Nios II Hardware Development 1–17
Creating the Design Example
May 2011 Altera Corporation Nios II Hardware Development Tutorial
Add the JTAG UART
The JTAG UART provides a convenient way to communicate character data with the
Nios II processor through the USB-Blaster download cable. Perform the following
steps to add the JTAG UART:
1. On the Component Library tab, expand Interface Protocols, expand Serial, and
then click JTAG UART.
2. Click Add. The JTAG UART parameter editor appears.
1 Do not change the default settings.
Figure 1–8 shows the JTAG UART parameter editor.
3. Click Finish. You return to the Qsys System Contents tab, and an instance of the
JTAG UART appears in the system contents table.
4. In the Name column, right-click the JTAG UART and click Rename.
5. Type
jtag_uart and press Enter.
6. Connect the
clk port of the clk_0 clock source to the clk port of the JTAG UART.
Figure 1–8. JTAG UART Parameter Editor