10GBASE-KR Ethernet TRD
22
UG1058 (v2017.1) April 19, 2017
Chapter 3:
Bringing Up the Design
Program the Clocks Sources
The KCU1250 board uses the SuperClock-2 module to provides programmable, low-noise
and low-jitter clock sources for the KCU1250 board. See
HW-CLK-101-SCLK2 SuperClock-2
Module User Guide
(UG770)
for more information.
To program the clock sources:
1. On the control computer, open the Tera Term Pro terminal program. Click
Start > All
Programs > Tera Term > Tera Term
.
2. In the New connection window, configure the settings as shown in
. Select the
serial
COM port associated with
Silicon Labs Dual CP210x USB to UART Bridge
:
Enhanced COM Port
.
Click
OK
.
3. On the control computer keyboard, press the
Enter
key. The Tera Term window will
display the SuperClock-2 configuration menu.
4. Set Programmable Clocks:
a. Select option 1 (Set Programmable Clocks): Type
1
, and press
Enter.
5. Set the Si570 frequency to 156.25 MHz:
a. Select option 1 (Set KCU1250 Si570 frequency): Type
1
, and press
Enter
.
X-Ref Target - Figure 3-3
Figure 3-3:
Connect to Enhanced COM Port on Tera Term
X18443-120716
