S i 5 3 4 7 - E V B
2
Rev. 1.1
1. Si5347-EVB Functional Block Diagram
Below is a functional block diagram of the Si5347-EVB. This EVB can be connected to a PC via the main USB
connector for programming, control, and monitoring. See section “3. Quick Start” for more information.
Figure 2. Si5347-EVB Functional Block Diagram
Si5347
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
Input
Termination
Input
Termination
Input
Termination
Input
Termination
CLKIN_0
CLKIN_0B
CLKIN_1
CLKIN_1B
CLKIN_2
CLKIN_2B
CLKIN_3
CLKIN_3B
Power Supply
C8051F380
MCU
+
Peripherals
I2C/SPI Bus
VDDO_0
VDD_Core
VDD_3.3
VDDO_1 VDDO_2 VDDO_3 VDDO_4 VDDO_5 VDDO_6 VDDO_7
VDDO_0
VDD_Core
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
FINC
OE_0
OE_0
DSPLL_SEL0
DSPLL_SEL1
FDEC
I2C/SPI Bus
Alarm_Status
INTR
+5V_USB
+5V_Aux
+5V_Ext
VDDMCU
Input Clock 0
{
Input Clock 1
{
Input Clock 2
{
Input Clock 3
{
}
Output Clock 0
}
Output Clock 1
}
Output Clock 2
}
Output Clock 3
}
Output Clock 4
}
Output Clock 5
}
Output Clock 6
}
Output Clock 7
Power only
Power only
XAXB
Crystal / Term
XA
XB
Optional External
XAXB Ref Input
{
