SI5345-44-42 Datasheet, PDF (26/62 Pages) Silicon Laboratories – 10-CHANNEL

Si5345/44/42
IN_SEL[1:0]
IN0
IN0
IN1
IN1
IN2
IN2
IN3/FB_IN
IN3/FB_IN
I2C_SEL
SDA/SDIO
A1/SDO
SCLK
A0/CS
4
2
Si5344
÷
P_0n
P_0d
÷
P_1n
P_1d
÷
P_2n
P_2d
÷
P_3n
P_3d
Optional
External
Feedback
48-54MHz XTAL
or REFCLK
XA
XB
OSC
÷PREF
DSPLL
PD LPF
÷
M_n
M_d
SPI/
I²C
NVM
Multi
Synth
÷
N_0n
N_0d
t₀
Multi
Synth
÷
N_1n
N_1d
t₁
Multi
Synth
÷
N_2n
N_2d
t₂
Multi
Synth
÷
N_3n
N_3d
t₃
Status
Monitors
÷R₀
÷R₁
÷R₂
÷R₃
VDDO0
OUT0
OUT0
VDDO1
OUT1
OUT1
VDDO2
OUT2
OUT2
VDDO3
OUT3
OUT3
Figure 9. Si5344 Block Diagram
26
Rev. 1.0