Download Si5380 EVB User's Guide

Si5380 Evaluation Board User's Guide
Si5380 Functional Block Diagram
1. Si5380 Functional Block Diagram
Below is a functional block diagram of the Si5380-EVB. This EVB can be connected to a PC via the main USB connector for programming, control, and monitoring. See 2. Quick Start and Jumper Defaults or 6.1 Installing ClockBuilderPro (CBPro) Desktop Software for
more information.
Note: All Si5380 schematics, BOMs, User’s Guides, and software can be found online at the following link: http://www.silabs.com/
si538x-4x-evb
Power only
+5V_USB
Ext +5V
Connector
SPI
Conn
C8051F380
MCU
+
Peripherals
Input Clock 1
Input Clock 2
Input Clock 3
{
{
{
{
VDDO_0
VDDO_1
VDDO_2
VDDO_3
VDDO_4
VDDO_5
VDDO_6
VDDO_7
VDDO_8
VDDO_9
I2C/SPI Bus
CLKOUT_0A
CLKOUT_0AB
Output
Termination
Control/
Status
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
CLKOUT_8
CLKOUT_8B
Output
Termination
CLKOUT_9
CLKOUT_9B
Output
Termination
CLKOUT_9A
CLKOUT_9AB
Output
Termination
INTR
Alarm_Status
54 MHz
XTAL
Input Clock 0
VDDO_0
VDDO_1
VDDO_2
VDDO_3
VDDO_4
VDDO_5
VDDO_6
VDDO_7
VDDO_8
VDDO_9
VDDMCU
I2C
Ext Aux +5V
Connector
VDD_3.3
+5V_Aux
VDD_3.3
Power Supply
Power only
VDD_Core
USB Aux +5V
Connector
VDD_Core
USB +5V
Connector
XA
XB
Input
Termination
CLKIN_0
Input
Termination
CLKIN_1
Input
Termination
CLKIN_2
Input
Termination
CLKIN_3
CLKIN_0B
CLKIN_1B
CLKIN_2B
CLKIN_3B
Si5380
}
}
}
}
}
}
}
}
}
}
}
}
Output Clock 0A
Output Clock 0
Output Clock 1
Output Clock 2
Output Clock 3
Output Clock 4
Output Clock 5
Output Clock 6
Output Clock 7
Output Clock 8
Output Clock 9
Output Clock 9A
Figure 1.1. Functional Block Diagram of Si5380-EVB
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