Si5327-EVB Silicon Laboratories Inc, Si5327-EVB Datasheet - Page 18

• Manufacturer Part Number: Si5327-EVB
• Description: MCU, MPU & DSP Development Tools SI5327 EVAL BOARD
• Manufacturer: Silicon Laboratories Inc

Specifications of Si5327-EVB

• Processor To Be Evaluated: Si5327
• Interface Type: I2C, SPI
• Operating Supply Voltage: 3.3 V
• Lead Free Status / Rohs Status: Details

Si5327
3. Typical Application Circuit
Note: For an example schematic and layout, refer to the Si5327-EVB User’s Guide.
Note: For an example schematic and layout, refer to the Si5327-EVB User’s Guide.
18
Option 1:
Option 2:
Option 1:
Option 2:
Figure 6. Si5327 Typical Application Circuit (SPI Control Mode)
Input
Clock
Sources*
Figure 5. Si5327 Typical Application Circuit (I
Input
Clock
Sources*
Control Mode (L)
Crystal/Ref Clk Rate
Control Mode (H)
Crystal/Ref Clk Rate
Crystal
Crystal
Reset
Refclk+
Refclk–
130 
Reset
130 
82 
82 
Refclk+
Refclk–
130 
130 
82 
82 
V
V
DD
DD
V
V
DD
DD
= 3.3 V
= 3.3 V
= 3.3 V
= 3.3 V
V
DD
15 k
15 k
V
130 
130 
82 
82 
DD
15 k
15 k
130 
130 
82 
82 
0.1 µF
0.1 µF
Notes:
0.1 µF
0.1 µF
Notes:
System
Supply
Power
System
Supply
Power
1. Assumes differential LVPECL termination (3.3 V) on clock inputs.
2. Denotes tri-level input pins with states designated as L (ground), M (VDD/2), and H (VDD).
3. I
CKIN2+
CKIN2–
CMODE
RST
1. Assumes differential LVPECL termination (3.3 V) on clock inputs.
2. Denotes tri-level input pins with states designated as L (ground), M (VDD/2), and H (VDD).
CKIN1+
CKIN1–
XA
XB
RATE
XA
XB
CKIN2+
CKIN2–
CMODE
RST
CKIN1+
CKIN1–
XA
XB
RATE
XA
XB
2
C-required pull-up resistors not shown.
2
2
Preliminary Rev. 0.4
Ferrite
Bead
Ferrite
Bead
Si5327
Si5327
C
C
C
C
C
C
C
C
1
2
3
1
2
3
4
4
1 µF
1 µF
0.1 µF
0.1 µF
0.1 µF
0.1 µF
0.1 µF
0.1 µF
CKOUT1+
CKOUT1–
CKOUT2+
CKOUT2–
INT_LOS1
CKOUT1+
CKOUT2+
INT_LOS1
CKOUT1–
CKOUT2–
CKSEL
CKSEL
SCLK
A[2:0]
LOS2
SDO
LOS2
SDA
SCL
LOL
SDI
LOL
SS
2
0.1 µF
0.1 µF
0.1 µF
0.1 µF
0.1 µF
0.1 µF
0.1 µF
0.1 µF
C Control Mode)
100 
100 
100 
100 
Interrupt/CLKIN1 LOS Indicator
CLKIN2 LOS Indicator
PLL Loss of Lock Indicator
Slave Select
Serial Data Out
Serial Data In
Serial Clock
Clock Select
Interrupt/CKIN1 LOS Indicator
CKIN2 LOS Indicator
PLL Loss of Lock Indicator
Serial Port Address
Serial Data
Serial Clock
Clock Select
+
+
–
–
+
–
+
–
SPI Interface
I2C Interface
Clock Outputs
Clock Outputs