1. Functional Block Diagram
Below is a functional block diagram of the Si5395 EVB. This evaluation board can be connected to a PC via the main USB connector
for programming, control, and monitoring. See
3. Quick Start
or
10.3 Overview of ClockBuilderPro Applications
for more information.
Si5395
CLKOUT_0
CLKOUT_0B
Output
Termination
CLKOUT_1
CLKOUT_1B
Output
Termination
CLKOUT_2
CLKOUT_2B
Output
Termination
CLKOUT_3
CLKOUT_3B
Output
Termination
CLKOUT_4
CLKOUT_4B
Output
Termination
CLKOUT_5
CLKOUT_5B
Output
Termination
CLKOUT_6
CLKOUT_6B
Output
Termination
CLKOUT_7
CLKOUT_7B
Output
Termination
48 MHz
XTAL
Input
Termination
Input
Termination
Input
Termination
XA
XB
CLKIN_0
CLKIN_0B
CLKIN_1
CLKIN_1B
CLKIN_2
CLKIN_2B
Power Supply
C8051F380
MCU
+
Peripherals
I2C/SPI Bus
VDDO_0
VD
D_Cor
e
VDD_3.3
VDDO_1 VDDO_2 VDDO_3 VDDO_4 VDDO_5 VDDO_6 VDDO_7
VDDO_0
VD
D_Cor
e
VDD_3.3
VDDO_1 VDDO_2 VDDO_3 VDDO_4 VDDO_5 VDDO_6 VDDO_7
Main USB
Connector
Aux USB
Connector
Ext +5V
Connector
I2C/SPI Bus
+5V_USB
+5V_Aux
+5V_Ext
VDDMCU
Input Clock 0
{
Input Clock 1
{
Input Clock 2
{
}
Output Clock 0A
}
Output Clock 0
}
Output Clock 1
}
Output Clock 2
}
Output Clock 3
}
Output Clock 4
}
Output Clock 5
}
Output Clock 6
Power only
Power only
VDDO_8 VDDO_9
VDDO_8 VDDO_9
CLKOUT_8
CLKOUT_8B
Output
Termination
}
Output Clock 7
CLKOUT_9
CLKOUT_9B
Output
Termination
}
Output Clock 8
Control/
Status
INTR
Alarm_Status
Input
Termination
CLKIN_3/FB_IN
CLKIN_3/FB_INB
Input Clock 3
{
CLKOUT_9A
CLKOUT_9AB
Output
Termination
}
Output Clock 9A
Output
Termination
}
Output Clock 9
CLKOUT_0A
CLKOUT_0AB
VDDO_9A
VDDO_9A
VDDO_0A
VDDO_0A
Figure 1.1. Si5395 EB Functional Block Diagram
UG335: Si5395 Evaluation Board User's Guide
Functional Block Diagram
silabs.com
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